This Week in Gardening & Nature

Plant of the Week: Melons.

Hey, parents, teachers, child care providers: Storybooks on Pollinators

Sign up for University of Missouri Extension Online Food Preservation Class: pressure canning, boiling water bath canning, steam canning, dehydration, and freezing. $30. Register

Plan your garden with Seed St. Louis Planting Calendar, good for Zones 6a, 6b, 7a, maybe more. Sow Outdoors: Beets, Bok Choy, Chard, Kale, Kohlrabi, Lettuce, Peas, Radish. Transplant: Bok Choy, Broccoli, Cabbage, Cauliflower, Chard, Kale, Kohlrabi, Lettuce.

St. Louis Master Gardeners Horticulture Answer Service: Monday through Thursday from 9 am. to 2:30 pm

If you are just looking for St. Louis Area Plant and Seed Swaps and Sales, they are here. Added this week: Two St. Louis County Library Plant & Seed Swaps

Find a Native Plant/Seed vendor in Missouri, Illinois, Arkansas, Kansas,… (Grow Native)

Good Reads/Views/Listens —

Gardening By Month: August Gardening Tips, Tasks, and Problems (Missouri Botanical Garden)

Time to head out and sow some Chinese cabbage (University of Missouri Extension)

‘It’s ours now’: St. Louis farmer expands community garden to serve more neighbors. Leah Lee-Pulliam started with a garden in her backyard. Now she’s transforming vacant lots into a shared space for growth, healing and access to healthy food. (KSDK St. Louis)

The Potato’s Mysterious Family Tree Revealed—And It Includes Tomatoes (Scientific American)

Wolf in Queen Anne’s clothing: Beware the poison hemlock (Arkansas Times)

Podcast. Midsummer Lessons: What’s Growing (and Dying) in Our Yards. At 34:04 check out Ken’s passive mosquito control – mosquito bucket of doom! (University of Illinois Extension)

July 2025 Native Plant News. Includes news from Illinois. (Wild Ones)

2025 Missouri Hunger Atlas (University of Missouri Extension)

‘Bee Atlas’ project turns up 26 new or rare species buzzing around Washington (Washington State Standard)

A century of data reveals declining forest diversity (University of Illinois Extension)

YouTube. Native Plants Planted Right: A Practical Guide for Beginners (Wild Ones)

Deep Roots Kansas City Native Plant Gardening Videos

Seed St. Louis Videos: Variety Trials, Virtual Classes, Starting Seeds Indoors, Orchard Tips, Gardening Tips & How To, In the Community Garden, Youth Garden Activities & Tips, Teachers in the Garden Tutorials. I will continue promoting the online resources and activities of Seed St. Louis where appropriate. I will not, however, knowingly promote events at Maxine Clark’s school privatization campus named Delmar Divine. It is unfortunate that Seed St. Louis is now a tenant there.

Growing Vegetables Advice: Begin with a Plan, Seed Starting, Soil Management, Weed Management, Hardening Off Indoor Seedlings, Season Extension, Supporting Plants, Pest Management, Fertilizing Your Garden, Irrigation, Garden Tool Care, Container Gardens, more (University of Illinois Extension)

Shaw Nature Reserve Propagation Guide

Free Native Garden Designs @ Wild Ones. There’s one specific to St. Louis, one for Chicago, one for Denver, …

Native plant gardening in a pot. Missouri Botanical Garden has container designs for sun and shade.

Illinois Native Plants for the Home Landscape

Missouri Native Plant Top 10 Lists (Grow Native) Native Plants for Children, Poorly Drained Clay Soil, Sun, Shade, Half Sun & Half Shade, Under Utility Poles, Rain Gardens, Kitchen Gardens, Bees, Pollinators in Winter, Hummingbirds, Wildlife, Butterflies, More

2023 Plants of Merit – Annuals, Bulbs, Edibles, Perennials, Shrubs, Trees, Vines (Missouri Botanical Garden)

2023 Plants of Demerit – Bamboo, Big Leaf Hydrangea, Blueberry, Burning Bush, Chameleon Plant, Lavender, Pin Oak, Wintercreeper (Missouri Botanical Garden)

Gardening and Nature Events —

—– ONGOING —–

See a gillion sunflowers at Columbia Bottom Nature Conservation Area

Going on now Brightside St. Louis Blooming Soon! Tulip & Daffodil Bulb Sale. 30 bulbs only $18: Brightside’s “Midwest Mix” Daffodils – a selection of 6 varieties of fine daffodils chosen by the Greater St. Louis Daffodil Society; Carlton Daffodils; “Brightside Red” hybrid Darwin Tulips; Pink Impression hybrid Darwin Tulips. Order now for October pick up October 10th-11th at Forest Park Greenhouse or pay for mailing.

Volunteers Wanted. STL Neighborhood Foresters Neighborhood Tree Care Blitzes
August 9th Benton Park West. Register
August 9th Tower Grove East. Register
August 16th Old North. Register
August 16th Benton Park. Register
August 17th Shaw. Register
August 23rd Bevo. Register
September 6th Hyde Park. Register

Now thru August 29th St. Louis City Public Library Art Exhibit at Schlafly Library: Sun Liu: Thousand Years Brilliant–Flowers & Birds from Song Dynasty

August 29th Deadline to submit entries for Wild Ones Photo Contest. Categories: Living Things, Home Landscapes, Signs of Spring, Events

August 31st Deadline to submit entries for Missouri River Birds Observatory 10th Annual Bird Photography Contest. Prizes $100 to $1000. $25 Entry Fee per photo.

Now thru August 31st St. Louis Public Library Art Exhibit at Buder Library: Carolyn Lewis‘ Empowering Our Community, Fifty Empowerment Birds created using fabric, dried paint palettes, and dictionary pages from the 1940’s.

September 1st Deadline to enter 12th Annual Missouri Department of Natural Resources Photo Contest. Categories: Natural Resources, Unique Places, People Enjoying Missouri’s Outdoors

November 15th Deadline for Wild Ones’ Lorrie Otto Seeds for Education Program. Open to schools, nature center, after-school care programs, community centers or youth groups in need of funding for a native garden or habitat, projects such as pollinator gardens, rain gardens to improve water quality, tallgrass prairies, native plant monarch waystations featuring community science activities, and sensory and natural playgrounds.

November 15th Deadline to enter Missouri Snapshots Photo Contest sponsored by Missouri State Parks and Association of Missouri Electric Cooperatives’ Rural Missouri magazine. Categories: Parks Less Traveled, Adventure & Recreation, Park Heroes & Volunteers at Work, Learning Something New, On the Trail

Now thru March 31st, 2026, Missouri Botanical Garden exhibit at Sachs Museum, Missouri Botanical Garden: Smelling the Bouquet- Plants & Scents in the Garden. Garden Admission Free to St. Louis City and St. Louis County residents on Saturday and Wednesday mornings, otherwise Admission Fee applies.

—– DAILY —–

9 am to 5 pm Sunday, August 3rd, Greater St. Louis Iris Society Plant Sale at Missouri Botanical Garden. Garden Admission Free to St. Louis City and St. Louis County residents on Saturday and Wednesday mornings, otherwise Admission Fee applies.

9 am Tuesday, August 5th, Shaw Nature Reserve Fall Wildflowers Market online pre-sale begins for September 5th event at Gray Summit, Franklin County MO

2 pm Tuesday, August 5th, St. Louis County Public Library Virtual Class: Seed Saving and Plant Breeding presented by Seed St. Louis. Register

9 am Wednesday, August 6th, Bellefontaine Cemetery & Arboretum Summer Wildflower Walk with Horticulturist. $5 donation suggested. Register

9 am Wednesday, August 6th, Collinsville, Illinois, Willoughby Farm Teacher Workshop: Waste-Free Classrooms. Register

10 am Wednesday, August 6th, Bellefontaine Cemetery & Arboretum History & Horticulture Trolley Tour with Master Guide. $5 donation suggested. Register

Volunteers Wanted. 8 am Thursday, August 7th, Heartlands Conservancy Poag Sand Prairie Restoration Stewardship Day in Edwardsville, Illinois. Register

August 7th Deadline to register for Missouri Prairie Foundation Annual Dinner and Silent Auction at Columbia MO. Tickets are $75 each for Missouri Prairie Foundation and Grow Native! Professional members, $85 for the general public. Register

Volunteers Wanted. 8 am Friday, August 8th, Heartlands Conservancy Exploration Garden Stewardship Day at Clinton Hills Conservation Park, Swansea, Illinois. Register

1:30-3 pm Friday, August 8th, St. Louis City Public Library Art Exhibit event at Schlafly Library: Reception for Sun Liu- Thousand Years Brilliant–Flowers & Birds From Song Dynasty

2 pm Friday, August 8th, St. Louis County Public Library event at Clark Branch: Planter Pot Decorating. Register

5:30 pm Friday, August 8th, Bellefontaine Cemetery & Arboretum History & Horticulture Sunset Stroll. $5 Donation suggested. Register

8 am Saturday, August 9th, Missouri Conservation Department Virtual Class: Tree Identification. Register

10 am Saturday, August 9th, Bellefontaine Cemetery & Arboretum History & Horticulture Trolley Tour with Master Guide. $5 Donation suggested. Register

11 am Saturday, August 9th, St. Charles City-County Library Plant & Seed Swap at Spencer Road Branch. Register

11:30 am Saturday, August 9th, Missouri Botanical Garden event at Sachs Museum: Sniff ‘n Learn- Scents of Wine & Spices. Garden Admission Free to St. Louis City and St. Louis County residents on Saturday and Wednesday mornings, otherwise Admission Fee applies.

7:30 pm Saturday, August 9th, Missouri Conservation Department hiking event at Powder Valley Conservation Nature Area, Kirkwood: Nature’s Night Shift Hike. Hickory Ridge Short Loop, 1/2 mile trail with steep inclines and declines. Register

Volunteers Wanted. 9 am Sunday, August 10th, Piasa Palisades Sierra Club event in Alton, Illinois: Wadlow Restoration Work Day. The former site of a municipal golf course is being restored to native plants. Register

Noon to 5 pm Sunday, August 10th, Orchid Society of Greater St. Louis Auction at Missouri Botanical Garden. Plant List. Admission Fee applies. Garden Admission Free to St. Louis City and St. Louis County residents on Saturday and Wednesday mornings, otherwise Admission Fee applies.

1-4 pm August 12th Bellefontaine Cemetery & Arboretum Horticulture Class: Home Landscape Design and Practices for the Fall/Winter Season. $15 Donation suggested. Register

6 pm August 12th The Nature Institute Workshop in Godfrey, Illinois: Plant Identification Workshop– Basic plant anatomy, Field guide instruction, IL wildflower identification. $25 fee wnhich includes a copy of Newcomb’s Wildflower Guide. Register

9 am August 13th Bellefontaine Cemetery & Arboretum Summer Wildflower Walk with Horticulturist. $5 donation suggested. Register

4 pm August 13th Grow Native! Webinar: Dispelling Myths of Native Gardening. Register

6 pm August 14th St. Louis County Public Library event at Clark Branch: Celebrating a Century of Conservation, Shaw Nature Reserve – Past, Present, Future

6 pm August 14th Edwardsville IL Public Library event: How to Find an Owl in Your Neighborhood, presented by naturalist Mark H.X. Glenshawof Forest Park Owls fame

Noon August 15th St. Louis County Public Library workshop at Thornhill Branch: Anthotype Making. Test out the photographic process of using natural plant pigments to create prints. Register

9 pm August 15th Shaw Nature Reserve Fall Wildflowers Market online pre-sale ends for September 5th event at Gray Summit, Franklin County MO.

5:30 pm August 15th Bellefontaine Cemetery & Arboretum History & Horticulture Sunset Stroll. $5 Donation suggested. Register

9 am August 16th Seed St. Louis Fall Seedling Sale at Carriage House, 3815 Bell

9 am August 16th Piasa Palisades Sierra Club Bike Ride, Edwardsville, Illinois: Madison County Transit Trail Bike Ride. Nine miles in two hours. Register

9 am to Noon August 16 Webster Groves Herb Society Display at Missouri Botanical Garden. Garden Admission Free to St. Louis City and St. Louis County residents on Saturday and Wednesday morning, otherwise Admission Fee applies.

9 am to 5 pm August 16th Missouri Botanical Garden Daylily Association Plant Sale at Missouri Botanical Garden. Garden Admission Free to St. Louis City and St. Louis County residents on Saturday and Wednesday mornings, otherwise Admission Fee applies.

For Kids 5+ years. 25 Seats remaining. 10 am August 16th Missouri Conservation Department event at Powder Valley Conservation Nature Center: Conservation Kids- Sun Printing for Kids. Register

10:30 am August 16th Seed St. Louis Workshop at Bell Community Garden: Using the Garden to Teach. Register

1 pm August 16th St. Louis Public Library class at Central Library: Gardens and Plants of Colonial America. Oddly does not mention labor and plants of enslaved persons.

1:30 pm August 19th University of Illinois Extension Virtual Class: Crop Rotation- Building Resilient Gardens. Register

6:30 pm August 19th Missouri Botanical Garden event at Cohen Amphitheater: St. Louis Shakespeare Festival presents A Mid-Summer Night’s Dream. Doors open 5:30 pm. Free

7 pm August 19th Missouri Conservation Department event at Powder Valley Conservation Nature Center: Moments in Nature by Wildlife Photographer Danny Brown. Learn how he “makes the shot” and how he locates critters and photographs them with minimal intrusion into their daily activities. Register

Noon August 20th Missouri Conservation Department Virtual Program: Wild Foxes. Register

1 pm August 21st University of Illinois Extension Webinar: Saving the World, One Box Turtle at a Time. $5. Register

6 pm August 21st Missouri Botanical Garden Event: Ireland and Its Aromatic Heritage, Short Documentary Film & Discussion Panel. Admission Fee.

6:30 pm August 21st Heartlands Conservancy Bike Ride on St. Clair County Transit District Trails, approximately 16 miles. Register

9 am to 2 pm Friday and 8 am to 2 pm Saturday, August 22nd-23rd, Flyleaf Market monthly pop up on 1st floor of Watson Terrace Christian Church, Watson @ Winnebago: Succulent & Tropical Plant Sale. This involves a very cool Citizen Growers program.

10 am August 22nd Lincoln University Cooperative Extension Specialty Crops/Native Plants Program at Jefferson City MO: Introduction to Missouri Fern Identification and Ecology Workshop. $25 includes lunch. Register

Heads up for Tower Grove Park users. 10 am to 8 pm August 23rd-24th Festival of Nations at Tower Grove Park

Volunteers Wanted. 8 am August 23rd Heartlands Conservancy Knoll Family Wildlife Sanctuary Stewardship Day at Edwardsville, Illinois. Register

For families. 10 am to 2 pm August 23rd Missouri Conservation Department event at Powder Valley Conservation Nature Center, Kirkwood: Peanut the Turtle’s Birthday Bash. Peanut turns 41. Register

Noon to 4 pm August 23rd Piasa Palisades Sierra Club Summer Picnic at Beaver Dam State Park, Royal Lakes, IL. Register

1 pm August 23rd St. Louis County Public Library event at Grant’s View Branch: Dig In & Learn- A Day in the Garden with Seed St. Louis. Register

6 pm August 25th University of Missouri Extension Workshop at EarthDance Organic Teaching Farm, Ferguson MO: Twilight Farm Tour – Integrated Pest Management for small farmers. $10. Register

August 26th Deadline to order native plants from Missouri Wildflowers Nursery for pick up August 30th at Kirkwood Farmers Market. You may also purchase from what they bring.

1 pm August 26th Missouri Conservation Department Virtual program: Dragonflies, The Sky’s Apex Predators. Register

25 Seats remaining. 10 am August 27th Missouri Conservation Department program at Powder Valley Conservation Nature Center, Kirkwood: Bobcats. Register

For Kids ages 0-7 years. 20 Seats remaining. 10:30 am August 28th Missouri Conservation Department program at Tower Grove Park: You and Me under the Canopy- Aqua Adventures. Register

7 pm August 28th join Piasa Palisades Sierra Club at Illinois Commerce Commission Public Forum on Ameren Gas Rate Hike at East St Louis, IL.

7 pm August 29th Missouri Conservation Department program at Powder Valley Conservation Nature Center, Kirkwood: Conservation Trivia Under the Stars. Register

8 am to 4 pm August 30th Missouri Wildflowers Nursery selling native plants at Kirkwood Farmers Market. Order in advance for pick up or purchase from what they bring.

9 am August 30th Urban Harvest STL workshop at Grandel Square Center for Urban Agriculture: DIY Compost Tumbler Class. You will be responsible for transporting the barrel to your site. $10. Register (not available yet)

September 2nd Ordering Begins for Missouri Conservation Annual Tree Seedling Sale. Order early for best selection, some trees and shrubs sell out first day. Orders ship out in Spring.

8 am to Noon September 6th Fox Park Garden Tour. Free. Register

9 am to 5 pm September 6th Gateway West Gesneriad Society Show and Sale at Missouri Botanical Garden. Garden Admission Free to St. Louis City and St. Louis County residents on Saturday and Wednesday mornings, otherwise Admission Fee applies.

9:30 am to 3 pm September 6th Film Screening Day for “Big Medicine: York Outdoors,” a documentary on York, an enslaved servant of William Clark, at Lewis & Clark State Historic Site, Madison County, Illinois

Volunteers Wanted. 9 am September 11th Heartlands Conservancy event at Poag Sand Prairie, Edwardsville, IL: Monarch Tagging and Stewardship Day. Register

Volunteers Wanted. 9 am September 12th Heartlands Conservancy event at Exploration Garden, Clinton Hills Conservation Park, Swansea, IL: Monarch Tagging and Stewardship Day. Register

5 pm September 12th Audubon Center at Riverlands event at West Alton, Missouri: Riverlands Wellness- Bikes, Birds, & Brews. $20. Register

8 am to Noon September 13th Edwardsville IL Garden Club Plant Sale at St. Mary’s Church Parking Lot

11 am September 13th St. Charles City-County Library Plant & Seed Swap at Spencer Road Branch. Register, registration opens August 16th

1 pm September 13th St. Louis Public Library class at Central Library: Mad About Mushrooms

2:30 pm September 13th St. Louis Public Library class at Central Library: Fascinating Victorian Gardens

1-4 pm September 14th Oratorio STL Workshop at St. Francis de Sales Oratory: Courtyard Urbanism: Building Cities for Families. Register

2 pm September 17th Partners for Native Landscaping and St. Louis County Library Zoom Class: Missouri Native Trees and Shrubs for Urban Landscapes. Register

6 pm September 18th Wild Ones Webinar: EcoBeneficial Landscape Strategies for the Climate Crisis. Register

10 am to 1 pm September 20th Missouri Botanical Garden event: Mary Meachum Freedom Crossing Celebration. Garden Admission Free to St. Louis City and St. Louis County residents on Saturday and Wednesday mornings, otherwise Admission Fee applies.

10 am to 2 pm September 22nd Bring Conservation Home Expo at Tower Grove Park. Missouri Wildflower Nursery and other vendors will be selling but you can also order plants for pick up at the event.

9 am to 2 pm Friday and 8 am to 2 pm Saturday, September 26th-27th, Flyleaf Market monthly pop up on 1st floor of Watson Terrace Christian Church, Watson @ Winnebago: Succulent & Tropical Plant Sale. This involves a very cool Citizen Growers program.

9 am to Noon September 27th Webster Groves Herb Society Display at Missouri Botanical Garden. Garden Admission Free to St. Louis City and St. Louis County residents on Saturday and Wednesday morning, otherwise Admission Fee applies.

10 am September 27th St. Louis County Library Plant & Seed Swap at Oak Bend Branch. Refreshments.

10 am to 1 pm September 27th Mary Meachum Freedom Crossing Celebration at Mississippi Greenway

10 am to 3 pm September 27th Missouri Pollinator Network Pollinator Palooza at Weldon Spring Site Interpretive Center, St. Charles MO. Missouri Wildflowers Nursery and other native plant vendors will be selling there. Sorry for no link. If you know of a link that isn’t Facebook or Instagram, please let me know.

11 am and 1 pm September 27th Missouri Botanical Garden concert at Sachs Museum: Musical Scents- Voices in the Garden, performances by Benedetta Orsi and St. Louis Women’s Chorale. Garden Admission Free to St. Louis City and St. Louis County residents on Saturday and Wednesday morning, otherwise Admission Fee applies.

1 pm September 27th St. Louis County Library Plant Swap at Grand Glaize Branch, Manchester

4-7 pm September 27th Forest ReLeaf Fundraiser: Arbormeisters

18 Tickets available. 8:30 am September 28th St. Louis Audubon Society event at Tower Grove Park: Beginner Bird Walk. Register

1:30 pm September 30th University of Illinois Extension Webinar: Be a Seed Shaker: Which Are Worth Saving? Register

2 pm October 1st Partners for Native Landscaping and St. Louis County Library Zoom Class: St. Louis Native Plants in a Changing Climate. Register

October 3rd-5th Best of Missouri Market at Missouri Botanical Garden. Missouri Wildflowers Nursery is usually a vendor and this is last opportunity to purchase native plants in St. Louis City for the year. Admission Fee applies.

1 pm October 4th St. Louis Public Library class at Central Library: How Indigenous People Used Native Plants for Their Health and Well-Being

October 5th-6th Baker Creek Fall Harvest Festival in Mansfield, Wright County, MO, about a 3 1/2 hour drive from St. Louis or Kansas City

11 am October 11th St. Charles City-County Library Plant & Seed Swap at Spencer Road Branch. Register, registration opens September 13th

11 am and 1 pm October 11th Missouri Botanical Garden event at Sachs Museum: Poetry and Scents, the poetry of Devin Johnston. Garden Admission Free to St. Louis City and St. Louis County residents on Saturday and Wednesday morning, otherwise Admission Fee applies.

2 pm October 15th Partners for Native Landscaping and St. Louis County Library Zoom Class: Native Gardening Maintenance Tips, Tricks and Hacks. Register

9 am October 18th Seed St. Louis Garlic Sale at Carriage House, 3815 Bell

10 am to Noon October 18th Forest Releaf event at Scott Jopling House: Persimmon Festival and Tree Distribution

1:30 pm October 21st University of Illinois Extension Webinar: Reclaiming Runaway Landscapes. Register

9 am to 2 pm Friday and 8 am to 2 pm Saturday, October 24th-25th, Flyleaf Market monthly pop up on 1st floor of Watson Terrace Christian Church, Watson @ Winnebago: Succulent & Tropical Plant Sale. This involves a very cool Citizen Growers program.

1 pm November 1st St. Louis Public Library class at Central Library: Decorating with Herbs

11 am November 8th St. Charles City-County Library Plant & Seed Swap at Spencer Road Branch. Register, registration opens October 11th

November 15th to January 3rd Missouri Botanical Garden exhibit at Emerson Conservatory: Holiday Flower and Train Show. Garden Admission Free to St. Louis City and St. Louis County residents on Saturday and Wednesday morning, otherwise Admission Fee applies.

1 pm December 6th St. Louis Public Library class at Central Library: Preventing Winter Plant Damage

9 am to 2 pm Friday and 8 am to 2 pm Saturday, December 12th-13th, Flyleaf Market monthly pop up on 1st floor of Watson Terrace Christian Church, Watson @ Winnebago: Succulent & Tropical Plant Sale. This involves a very cool Citizen Growers program.

11 am December 13th St. Charles City-County Library Plant & Seed Swap at Spencer Road Branch. Register, registration opens November 15th

Join us Sundays on Bluesky for #GardenSunday.

This Week in Gardening & Nature

Iris 'Edith Wolford', a blue and yellow tall bearded iris

Plant of the Week: Iris. Shown is Iris ‘Edith Wolford’, a Tall Bearded Iris. Learn about Missouri’s native Iris.

University of Missouri Extension Online Food Preservation Course. $30. Register

Seed St. Louis Raised Bed Plant Spacing Chart

Plan your garden with Seed St. Louis 2025 Planting Calendar.
-> Transplant This Week: Perennials, Trees, Basil, Melons, Parsley, Summer Squash
-> Sow Outdoors This Week: Basil, Beans, Cucumbers, Melons, Summer Squash, Winter Squash

USDA Plant Hardiness Zone Map

River City Outdoors runs a Free Outdoor Gear Lending Library for St. Louis City residents

If you are just looking for St. Louis Area Plant and Seed Swaps and Sales, they are here. Added this week: Mason Ridge Garden Club Annual Plant Sale at Longview Farm Park, Kirkwood Garden Club Plant Sale, Garden America Plant Expo at Weldon Spring Site Interpretive Center

Find a Native Plant/Seed vendor in Missouri, Illinois, Arkansas, Kansas,… (Grow Native)

St. Louis Master Gardeners Horticulture Answer Service: Monday through Thursday from 9 am. to 2:30 pm

River City Outdoors St. Louis now offers a Gear Lending Library for outdoor recreation equipment rentals to St. Louis City residents and St. Louis regional organizations that take children, families, and groups on outdoor trips.

Illinois School Teachers- March 2025 Application process begins for 2026 Illinois Schoolyard Habitat Action Grant Program

Good Reads/Views/Listens —

May Gardening Tips: Outdoor Flowering Plants & Ornamentals, Vegetable Gardening, Fruits & Nuts, More (University of Missouri Extension)

How to Plant Common Milkweed (Asclepias Syriaca) From Seed (Wild Ones) WARNING: this variety of milkweed will spread profusely by roots and seed. We are currently trying to get rid of it. Largest tap root so far was eight feet. BUT if you have a lot of space or doing a native restoration project, THIS is a great plant.

Growing Microgreens Video (University of Missouri Extension)

How a St. Louis County plan to produce fresh food crumbled. ‘Something wasn’t right.’ (St. Louis Post-Dispatch) Paywall may be bypassed by copying link to 12ft Ladder

Scientific societies say they’ll step up after Trump puts key climate report in doubt (Associated Press)

Bees, fish and plants show how climate change’s accelerating pace is disrupting nature in 2 key ways (The Conversation)

Air quality worsened in Missouri from 2021 to 2023. An annual report from the American Lung Association found that from 2021 to 2023, ozone levels worsened in the 19 counties where they are measured (The Beacon)

Deep Roots Kansas City Native Plant Gardening Videos

Shaw Nature Reserve Propagation Guide

Free Native Garden Designs @ Wild Ones. There’s one specific to St. Louis, one for Chicago, one for Denver, …

Native plant gardening in a pot. Missouri Botanical Garden has container designs for sun and shade.

Illinois Native Plants for the Home Landscape

2023 Plants of Merit – Annuals, Bulbs, Edibles, Perennials, Shrubs, Trees, Vines (Missouri Botanical Garden)

2023 Plants of Demerit – Bamboo, Big Leaf Hydrangea, Blueberry, Burning Bush, Chameleon Plant, Lavender, Pin Oak, Wintercreeper (Missouri Botanical Garden)

Gardening and Nature Events —

ONGOING

9:30 am to Noon Mondays, May 5th-June 16th University of Missouri Extension classes (Online + In Person): St. Louis Master Pollinator Steward Course. Register

Volunteers Wanted. 9-11 am Tuesdays and Thursdays in May- Missouri Botanical Garden Plant It Forward program. Help dig tulips and other perennial varieties, clear display beds of debris, plant species for Summer/Fall season. Register

Volunteers Wanted. Brightside St. Louis May Blitz events. Register your neighborhood clean up and/or beautification event and request bags/tools here.

Now thu July 28th Art Exhibit at Kemper Art Museum, Washington University- Seeds: Containers of a World to Come

DAILY

11 am to 3 pm Sunday, May 2nd-4th Earth Dance Farm Plant Sale at Ferguson MO

9 am to 4 pm Sunday, May 4th, Kress Farm Garden Preserve Plant Sale in Hillsboro, Jefferson County MO. Native plants, shrubs, trees; nonnative plants, annuals, vegetable seedlings.

9 am to 2 pm Sunday, May 4th, Tower Grove East Community Garden Annual Plant Sale, 3301 Sidney: veggies, annuals, perennials, hostas, ground covers, herbs

9 am to 4 pm Sunday, May 4th, Three Rivers Community Farm Plant Sale in Elsah, Illinois: native perennials, herbs, annual bedding plants, cutting flowers, veggie seedlings

9 am to 4 pm Sunday, May 4th, Bring Conservation Home & Wild Ones St. Louis Chapter event: St. Louis Native Plant Tour in Webster Groves. $20. Register

Sunday-Monday, May 4th-5th Baker Creek Spring Planting Festival in Mansfield, Wright County, MO, about a 3 1/2 hour drive from St. Louis or Kansas City

10 am Tuesday, May 6th, Bellefontaine Cemetery & Arboretum History & Horticulture Trolley Tour with Master Guide. Suggested $5 donation. Register

9 am Wednesday, May 7th, Bellefontaine Cemetery & Arboretum Wildwood Valley Garden Walk with Horticulturist. Register

10 am Wednesday, May 7th, Bellefontaine Cemetery & Arboretum Springtime History & Horticulture Walking Tour with Master Guide. Register

10 am to 1:30 pm Wednesnday, May 7th, University of Illinois Extension event at Jackie Joyner-Kersee Food, Agriculture, Nutrition Innovation Center in East St. Louis, Illinois: Golden Garden Days: Southern Celebration. Master Gardeners celebrate 50 years of impact. Track A: Local Food – Stations include aquaponics, passive solar greenhouse, and retrofitting shipping containers. Track B: Sustainable Landscaping – Stations include tree planting, stormwater management, and composting. Register

4 pm Wednesday, May 7th, Grow Native! Webinar: Native Plants & Neotropical Bird Migration. Register

1-4 pm Thursday-Friday, May 8th-9th Jeanette Goldfarb Plant Growth Facility Spring Plant Sale at Washington University

Volunteers Wanted. 9 am Thursday, May 8th, Heartlands Conservancy event in Edwardsville IL: Poag Sand Prairie Restoration Stewardship Day. Register

3 pm Thursday, May 8th, St. Louis Public Library event at Baden Library: Mocktails and Garden Party. enjoy refreshing mocktails while crafting your own potted plant to take home.

Volunteers Wanted. 9 am Friday, May 9th, Sierra Club Eastern Missouri Castlewood State Park Service Project, Ballwin: maintaining and repairing trails, closing social trails, and picking up trash. Register

Volunteers Wanted. 9 am Friday, May 9th, Heartlands Conservancy event at Clinton Hills Conservation Park, Swansea IL: Exploration Garden Stewardship Day. Register

2 pm Friday, May 9th, St. Louis County Library class at Meramec Valley Branch, Fenton: Growing Herbs in Containers presented by St. Louis Herb Society. Register

4 pm Friday, May 9th, Missouri Conservation Department virtual event: Avian IQ- Bird Trivia. Register

8 am to Noon Saturday, May 10th, Mississippi Valley Garden Club Plant Sale at Godfrey, Illinois

8 am to 1 pm Saturday, May 10th, Flora Conservancy Plant Sale @ Greenhouse, Forest Park

19 Tickets remaining. 8 am Saturday, May 10th, Missouri Conservation Department event at Weldon Spring Conservation Area, St. Charles MO: Lewis and Clark Trail Hike, 8.3 miles with spectacular views of the Missouri River. Register

9 am Saturday, May 10th, Seed St. Louis Summer Seedling & Sweet Potato Slip Sale at Carriage House, 3815 Bell. Annuals: Basil, Eggplant, Sweet Peppers, Sweet Potato Slips, Tomatoes. Perennials: native Clustered Mountain Mint, Lavender, Red Veined Sorrel, Rhubarb, Sea Kale, Wild Arugula, Wild Korean Celery. Also see 10:30 am class.

9 am to Noon Saturday, May 10th, Mason Ridge Garden Club Annual Plant Sale at Longview Farm Park, Town & Country

Volunteers Wanted. 9 am Saturday, May 10th, Piasa Palisades Sierra Club event at Alton, Illinois: Wadlow Restoration Volunteer Day. The former site of a municipal gold course is being restored to native plants. Register

9 am to Noon, Saturday, May 10th, Kirkwood Garden Club Plant Sale at Conner Park, S Kirkwood @ Argonne. Perennials, Native Plants, Annuals, Potted Plants

9 am to Noon Saturday, May 10th Webster Groves Herb Society Display at Missouri Botanical Garden. Garden Admission Free to St. Louis City and St. Louis County residents on Saturday and Wednesday morning, otherwise Admission Fee applies.

9 am to Noon Saturday, May 10th, Illinois Native Plant Society’s Native Plant Sale at Illinois State Fairgrounds, Springfield. It’s only an hour and a half drive or train ride from St. Louis.

9 am to 5 pm Saturday, May 10th, St. Louis Hosta Society Show & Sale at Missouri Botanical Garden. Garden Admission Free to St. Louis City and St. Louis County residents on Saturday and Wednesday mornings, otherwise Admission Fee applies.

10 am Saturday, May 10th, Bellefontaine Cemetery & Arboretum Spring Arboretum Trolley Tour with Horticulturist. Suggested $5 donation. Register

10 am Saturday, May 10th, St. Louis County Library event at Meramec Valley Branch, Fenton: Seed & Plant Swap. Register

10:30 am Saturday, May 10th, Seed St. Louis in-person class at Bell Community Garden: Seed Saving & Plant Breeding 101. Register

11 am Saturday, May 10th, St. Charles City-County Library Plant & Seed Swap at Spencer Road Branch. Register

9 am to 5 pm Sunday, May 11th, Greater St. Louis Iris Society Show at Missouri Botanical Garden. Included with Garden Admission Fee.

For Kids 3-5 years of age. 5 Tickets remaining. May 13th Missouri Conservation Department event at Powder Valley Conservation Nature Center, Kirkwood: Conservation Kids- The Native Connection. Kids will help plant native milkweeds andf learn about native plants and insects. 9 am story time. 10 am milkweed activity & more. Register

2-6 pm May 14th Spring Plant Swap at LINC St. Charles County Community Center, 9 Love Park Lane, Wentzville MO

5 pm May 15th St. Louis Public Library event at Walnut Park Library: Wild Hearts- Understanding Animal Behavior in the Wild with St. Louis Zoo

6:30 pm May 15th Heartland Conservancy event: Third Thursday Cycling Series, Illinois. 16 miles on St. Clair County Transit District trails. Register

7 pm May 15th St. Louis County Library Virtual Class: Houseplant Propagation 101. Register

3:30 pm May 16th Missouri Conservation Department virtual class: Outdoor Hazards- snakes, ticks, heat, and more. Learn how to prevent and reduce run-ins with outdoor hazards. Register

9 am to 5 pm May 17th Metropolitan St. Louis African Violet Council Show and Sale at Missouri Botanical Garden. Garden Admission Free to St. Louis City and St. Louis County residents on Saturday and Wednesday mornings, otherwise Admission Fee applies.

10 am to 3 pm May 17th Garden America Plant Expo at Weldon Spring Site Interpretive Center, St. Charles MO

1:30 pm May 20th University of Illinois Extension Webinar: Managing Common Squash and Pumpkin Pests. Register

10 am May 21st St. Louis County Library class at Weber Road Branch: Growing Herbs in Containers presented by St. Louis Herb Society. Register

Noon May 21st Missouri Conservation Department Virtual Class: Intro to Canoe and Kayak. Register

2 pm May 21st Partners for Native Landscaping and St. Louis County Library Zoom Class: Cultivating Native Seeds in the Landscape. Register

Ages 10 years to Adult. 2:30 pm May 21st Missouri Conservation Department Virtual event: Citizen Science- Butterfly Surveys. Register

4 pm May 21st Grow Native! Zoom Master Class: Native Perennials for Planting on Slopes. Free to all Missouri Prairie Foundation dues-paying members and Grow Native! professional members, or $15 for non-members. Register

6 pm May 22nd Missouri Conservation Department Virtual Class: Designing a Native Wildflower Garden. Register

9 am to 2 pm Friday and 8 am to 2 pm Saturday, May 23rd-24th, Flyleaf Market monthly pop up on 1st floor of Watson Terrace Christian Church, Watson @ Winnebago: Succulent & Tropical Plant Sale. This involves a very cool Citizen Growers program.

3 pm May 23rd St. Louis County event at Clark Branch: Seed & Plant Swap. Register

8 am to 4 pm May 24th Missouri Wildflowers Nursery selling at Kirkwood Farmers Market. Order online for pick up at Market or purchase from what they bring that day.

9 am to 5 pm May 24th-25th Rose Society of Greater St. Louis Show at Missouri Botanical Garden. Garden Admission Free to St. Louis City and St. Louis County residents on Saturday and Wednesday mornings, otherwise Admission Fee applies.

2 pm May 24th Missouri Conservation Department & River City Outdoors class at Tower Grove Park: Outdoor Preparedness– Camping 101. Register. River City Outdoors runs a Free Outdoor Gear Lending Library for St. Louis City residents

May 26th Deadline to order native plants online from Missouri Wildflowers Nursery for pick up Saturday, May 31st, at Kirkwood Farmer’s Market

6 Tickets remaining. Ages 9 to Adult. Noon May 28th Missouri Conservation Department workshop at Powder Valley Conservation Nature Center, Kirkwood: Introduction to Archery. Register

6 pm May 28th St. Louis Public Library event at Schlafly Library: How To Find An Owl In Your Neighborhood, presented by naturalist Mark H.X. Glenshaw, aka “The Owl Man.” Register

5 pm May 30th Missouri Conservation Department event at Tower Grove Park: Orienteering and GPS- Geocaching. Register

8:30 am to Noon May 31st Urban Gardening Symposium at Brightside St. Louis Demonstration Garden. $10. Register

8 am to 4 pm May 31st Missouri Wildflowers Nursery selling at Kirkwood Farmers Market. Order online by previous Monday for pick up at Market or purchase from what they bring that day.

9 am to Noon May 31st Northside Workshop event in Old North: Decolonize the Garden- From Seeds to Bees. Register

9 am to Noon May 31st Grow Native! 25th Anniversary Event: Greenscape Gardens Open House, Ballwin

Noon June 4th Missouri Conservation Department virtual class: Foraging for Summer Chanterelles. Register

For ages 12-18. 4:30 pm June 4th St. Louis Public Library event at Kingshighway Library: Wildflower Seed Ball Making

10 am June 5th Gratree Farm event in Wentzville, St. Charles County: U-Cut Lavender Grand Opening. Register

8 am to 4 pm June 7th Missouri Wildflowers Nursery selling at Kirkwood Farmers Market. Order online by previous Monday for pick up at Market or purchase from what they bring that day.

10 am to 5 pm June 7th-8th Lafayette Square House & Garden Tour. Ticket info pending

11 am June 14th St. Charles City-County Library Plant & Seed Swap at Spencer Road Branch. Register, registration opens May 17th

1 pm June 14th St. Louis Public Library class at Central Library: Herbs in the Civil War!

8:30 am June 21st Seed St. Louis Tour de Plants (bike ride), Southwest City Edition. $15 suggested donation. Register

9 am to Noon June 21st Webster Groves Herb Society Display at Missouri Botanical Garden. Garden Admission Free to St. Louis City and St. Louis County residents on Saturday and Wednesday morning, otherwise Admission Fee applies.

9 am to 5 pm June 21st Carnivorous Plant Society Show and Sale at Missouri Botanical Garden. Garden Admission Free to St. Louis City and St. Louis County residents on Saturday and Wednesday mornings, otherwise Admission Fee applies.

10 am June 21st Grow Native! Native Garden of Excellence Tour: Native Plant Garden at Ladue City Hall. Register

June 21-22 St. Louis Water Garden Society Pond-A-Rama tour. Tickets

9 am to 5 pm June 25th Kimmswick Visitor Center 25th Annual Daylily Sale. 35 Minute drive from St. Louis. Go early for best selection.

5:30 pm June 26th Missouri Coalition for the Environment St. Louis Chats for Change at Modern Brewing

9 am to 2 pm Friday and 8 am to 2 pm Saturday, June 27th-28th, Flyleaf Market monthly pop up on 1st floor of Watson Terrace Christian Church, Watson @ Winnebago: Succulent & Tropical Plant Sale. This involves a very cool Citizen Growers program.

11 am July 12th St. Charles City-County Library Plant & Seed Swap at Spencer Road Branch. Register, registration opens June 14th

9 am to 5 pm August 2nd-3rd Greater St. Louis Iris Society Plant Sale at Missouri Botanical Garden. Garden Admission Free to St. Louis City and St. Louis County residents on Saturday and Wednesday mornings, otherwise Admission Fee applies.

11 am August 9th St. Charles City-County Library Plant & Seed Swap at Spencer Road Branch. Register, registration opens July 12th

Noon to 5 pm August 10th Orchid Society of Greater St. Louis Auction at Missouri Botanical Garden. Admission Fee applies. Garden Admission Free to St. Louis City and St. Louis County residents on Saturday and Wednesday mornings, otherwise Admission Fee applies.

9 am August 16th Seed St. Louis Fall Seedling Sale at Carriage House, 3815 Bell

8 am to Noon September 13th Edwardsville IL Garden Club Plant Sale at St. Mary’s Church Parking Lot

2 pm September 17th Partners for Native Landscaping and St. Louis County Library Zoom Class: Missouri Native Trees and Shrubs for Urban Landscapes. Register

10 am to 2 pm September 22nd Bring Conservation Home Expo at Tower Grove Park. Missouri Wildflower Nursery and other vendors will be selling but you can also order plants for pick up at the event.

2 pm October 1st Partners for Native Landscaping and St. Louis County Library Zoom Class: St. Louis Native Plants in a Changing Climate. Register

October 5th-6th Baker Creek Fall Harvest Festival in Mansfield, Wright County, MO, about a 3 1/2 hour drive from St. Louis or Kansas City

2 pm October 15th Partners for Native Landscaping and St. Louis County Library Zoom Class: Native Gardening Maintenance Tips, Tricks and Hacks. Register

9 am October 18th Seed St. Louis Garlic Sale at Carriage House, 3815 Bell

Join us Sundays on Bluesky for #GardenSunday.

This Week in Gardening & Nature

Plant of the Week: Native Coral Honeysuckle, a hummingbird magnet. Native from Oklahoma, Arkansas, Kentucky, and Virginia south to all states bordering the Gulf. Considered escaped in Missouri and Illinois.

Wednesday, April 30th Deadline for Powder Valley Urban Nature Photo Contest

Saturday, May 3rd, Deadline for submissions to Soulard Art Gallery juried Exhibit: The Art of Nature

Seed St. Louis Raised Bed Plant Spacing Chart

Plan your garden with Seed St. Louis 2025 Planting Calendar.
-> Start Indoors This Week: Melons, Squash
-> Transplant This Week: Perennials, Trees, Basil, Cabbage, Chard, Collards, Kale
-> Sow Outdoors This Week: Beans, Beets, Collards, Kale, Parsley, Peas, Spinach, Turnips

USDA Plant Hardiness Zone Map

Free Garden Planners, most require a computer, will not work on a cell phone

If you are just looking for St. Louis Area Plant and Seed Swaps and Sales, they are here. Added this week: Gardners of Florissant Annual Spring Plant Sale & Garden Bazaar, O’Fallon Mo Garden Club Plant & Rummage Sale, Kress Farm Garden Preserve Plant Sale in Hillsboro, Earth Dance Farm Plant Sale, Montgomery County Master Gardeners Plant Sale, Edwardsville IL Garden Club Plant Sales, Mississippi Valley Garden Club Plant Sale

Find a Native Plant/Seed vendor in Missouri, Illinois, Arkansas, Kansas,… (Grow Native)

St. Louis Master Gardeners Horticulture Answer Service: Monday through Thursday from 9 am. to 2:30 pm

Illinois School Teachers- March 2025 Application process begins for 2026 Illinois Schoolyard Habitat Action Grant Program

Good Reads/Views/Listens —

Gardening This Week? Watch Out For Heavy Rain, Late Freezes And Flooded Soil (The Weather Channel)

Gardening by Month: May Gardening Tips, Tasks, & Problems (Missouri Botanical Garden)

April Native Plant News (Wild Ones)

Anyone can grow potatoes in a container. 11 year old Sam shows you how. (Gardening Well on YouTube)

Monarch butterfly super generation live up to 9 times longer than most monarchs, migrates thousands of miles (Anderson Cooper, CBS)

Regional Climate Centers shut down abruptly last week. Here’s why it matters (Harvest Public Media, KCUR)

Tips on Sustainable Gardening (Missouri Botanical Garden)

Rethink The Garden Icons: The Tragedy of the Hyacinth (Wild Ones)

Earthjustice President Describes a “Fundamentally Different” Era of Hostility Toward Environmentalists. Abigail Dillen sees the increase of lawsuits targeting green groups as just one of the growing threats to environmental advocacy organizations — and the people who staff them. (ProPublica)

The U.S. takes a step toward allowing mining on the ocean floor, a fragile ecosystem (NPR)

Shaw Nature Reserve Propagation Guide

Free Native Garden Designs @ Wild Ones. There’s one specific to St. Louis, one for Chicago, one for Denver, …

Native plant gardening in a pot. Missouri Botanical Garden has container designs for sun and shade.

Illinois Native Plants for the Home Landscape

2023 Plants of Merit – Annuals, Bulbs, Edibles, Perennials, Shrubs, Trees, Vines (Missouri Botanical Garden)

2023 Plants of Demerit – Bamboo, Big Leaf Hydrangea, Blueberry, Burning Bush, Chameleon Plant, Lavender, Pin Oak, Wintercreeper (Missouri Botanical Garden)

Gardening and Nature Events —

ONGOING

Volunteers Wanted. Brightside St. Louis May Blitz events. Register your neighborhood clean up and/or beautification event and request bags/tools here.

Now thru Wednesday, April 30th, St. Louis Public Library event at Schlafly Library: Art Exhibit- Pressed, we flower, recent abstract works by Sean Duvahl Semones

Now thu July 28th Art Exhibit at Kemper Art Museum, Washington University- Seeds: Containers of a World to Come

Opens Friday. 11:30 am to 4:30 pm, May 2nd thru March 31st, 2026, Missouri Botanical Garden exhibit at Sachs Museum, Missouri Botanical Garden: Smelling the Bouquet- Plants & Scents in the Garden. Garden Admission Free to St. Louis City and St. Louis County residents on Saturday and Wednesday mornings, otherwise Admission Fee applies.

DAILY

Noon to 2 pm Sunday, April 27th, St. Charles County Master Gardener Plant Sale at Missouri University Extension, St. Peters

10 am Sunday, April 27th to 6 pm May 4th Missouri River Bird Observatory Fundraiser: Online Auction

1 pm Sunday, April 27th, Madison County Extension Education Foundation fundraiser at Madison County Farm Bureau Building, 900 Hillsboro Ave, Edwardsville, Illinois: Plant Bingo. $20 donation suggested. Win Plants.

1:30 pm Tuesday, April 29th, University of Illinois Extension Webinar: Nature’s Uninvited Guests: The Impact of Invasive Plants. Properly dealing with invasive plants can lessen environmental impact. Register

6 pm Tuesday, April 29th, Willoughby Farm event in Collinsville, Illinois- Fence Picket Planter Workshop. $40 – all materials, tools, instruction included. Register

10 am Wednesday, April 30th, Bellefontaine Cemetery & Arboretum Springtime History & Horticulture Walking Tour with Master Guide. Register

2 pm Wednesday, April 30th, Partners for Native Landscaping and St. Louis County Library Zoom Class: Oh, Deer – Dealing with Unwanted Guests in Your Landscape. Register

6 pm Thursday, May 1st, St. Louis Public Library event at Schlafly Library: Plant Predators- An Introduction to Carnivorous Plants with Carnivorous Plant Society. Register

9 am to 1 pm Friday, May 2nd, Montgomery County Master Gardeners Plant Sale at Hillsboro IL

10 am Friday, May 2nd, Missouri Botanical Garden virtual event: Landscape Therapy with Edwina von Gal. Free. Register

Noon-8 pm Friday and 9 am to 5 pm Sunday, May 2nd-3rd, Gardeners of Florissant Annual Spring Plant Sale & Garden Bazaar at Florissant Elks Lodge

2-7 pm Friday and 7 am to Noon Saturday, May 2nd-3rd, O’Fallon Mo Garden Club Plant & Rummage Sale

4-6 pm Friday, 9 am to 1 pm Saturday, 11 am to 3 pm Sunday, May 2nd-4th Earth Dance Farm Plant Sale at Ferguson MO

7 am to 3 pm Saturday and 9 am to 4 pm Sunday, May 3rd-4th, Kress Farm Garden Preserve Plant Sale in Hillsboro, Jefferson County MO. Native plants, shrubs, trees; nonnative plants, annuals, vegetable seedlings.

8 am to Noon Saturday, May 3rd, Edwardsville IL Garden Club Plant Sale at St. Mary’s Church Parking Lot

8:30 am to Noon Saturday, May 3rd, Webster Groves Women’s Garden Association Plant Sale at the First Congregational Church of Webster Groves parking lot

9 am to 1 pm Saturday, May 3rd, Shaw Nature Reserve Spring Wildflower Market. $5 per person or $10 per vehicle.

9 am to 2 pm Saturday-Sunday, May 3rd-4th, Tower Grove East Community Garden Annual Plant Sale, 3301 Sidney: veggies, annuals, perennials, hostas, ground covers, herbs

9 am to 4 pm Saturday-Sunday, May 3rd-4th, Three Rivers Community Farm Plant Sale in Elsah, Illinois: native perennials, herbs, annual bedding plants, cutting flowers, veggie seedlings

10 am Saturday, May 3rd, Bellefontaine Cemetery & Arboretum Springtime History & Horticulture Walking Tour with Master Guide. Register

8 am Saturday, May 3rd, St. Louis Audubon Beginner Bird Walk at Forest Park. Register

11 am to 3 pm Saturday, May 3rd, Rustic Roots Sanctuary event at Spanish Lake: Spring Dandelion Festival

1 pm Saturday, May 3rd, St. Louis Public Library event at Buder Library: Meet the Pack: Animals of the Endangered Wolf Center

1 pm Saturday, May 3rd, St. Louis Public Library class at Central Library: Growing Herbs in Containers.

1 pm Saturday, May 3rd, St. Louis Public Library event at Buder Library: Meet the Pack- Animals of the Endangered Wolf Center. No live animals tho.

3 pm Saturday, May 3rd, St. Louis Public Library movie event at Central Library: Green City Life Film Showing & Project. More on the documentary

7-10 pm Saturday, May 3rd, weather permitting, St. Louis Astronomical Society event at Tower Grove Park: Stargazing

9 am to 4 pm Next Sunday, May 4th, Bring Conservation Home & Wild Ones St. Louis Chapter event: St. Louis Native Plant Tour in Webster Groves. $20. Register

Next Sunday-Monday, May 4th-5th Baker Creek Spring Planting Festival in Mansfield, Wright County, MO, about a 3 1/2 hour drive from St. Louis or Kansas City

10 am May 6th Bellefontaine Cemetery & Arboretum History & Horticulture Trolley Tour with Master Guide. Suggested $5 donation. Register

10 Seats remaining. 2 pm May 6th Missouri Conservation Department event at Powder Valley Conservation Nature Center, Kirkwood: DIY Hummingbird Feeders. Register

9 am May 7th Bellefontaine Cemetery & Arboretum Wildwood Valley Garden Walk with Horticulturist. Register

10 am May 7th Bellefontaine Cemetery & Arboretum Springtime History & Horticulture Walking Tour with Master Guide. Register

4 pm May 7th Grow Native! Webinar: Native Plants & Neotropical Bird Migration. Register

May 8th-9th Jeanette Goldfarb Plant Growth Facility Spring Plant Sale at Washington University

Volunteers Wanted. 9 am May 8th Heartlands Conservancy event in Edwardsville IL: Poag Sand Prairie Restoration Stewardship Day. Register

3 pm May 8th St. Louis Public Library event at Baden Library: Mocktails and Garden Party. enjoy refreshing mocktails while crafting your own potted plant to take home.

Volunteers Wanted. 9 am May 9th Sierra Club Eastern Missouri Castlewood State Park Service Project, Ballwin: maintaining and repairing trails, closing social trails, and picking up trash. Register

Volunteers Wanted. 9 am May 9th Heartlands Conservancy event at Clinton Hills Conservation Park, Swansea IL: Exploration Garden Stewardship Day. Register

2 pm May 9th St. Louis County Library class at Meramec Valley Branch, Fenton: Growing Herbs in Containers presented by St. Louis Herb Society. Register

4 pm May 9th Missouri Conservation Department virtual event: Avian IQ- Bird Trivia. Register

8 am to Noon May 10th Mississippi Valley Garden Club Plant Sale at Godfrey, Illinois

8 am to 1 pm May 10th Flora Conservancy Plant Sale @ Greenhouse, Forest Park

22 Tickets remaining. 8 am May 10th Missouri Conservation Department event at Weldon Spring Conservation Area, St. Charles MO: Lewis and Clark Trail Hike, 8.3 miles with spectacular views of the Missouri River. Register

9 am May 10th Seed St. Louis Summer Seedling & Sweet Potato Slip Sale at Carriage House, 3815 Bell. Annuals: Basil, Eggplant, Sweet Peppers, Sweet Potato Slips, Tomatoes. Perennials: native Clustered Mountain Mint, Lavender, Red Veined Sorrel, Rhubarb, Sea Kale, Wild Arugula, Wild Korean Celery. Also see 10:30 am class.

Volunteers Wanted. 9 am May 10th Piasa Palisades Sierra Club event at Alton, Illinois: Wadlow Restoration Volunteer Day. The former site of a municipal gold course is being restored to native plants. Register

9 am to Noon May 10th Webster Groves Herb Society Display at Missouri Botanical Garden. Garden Admission Free to St. Louis City and St. Louis County residents on Saturday and Wednesday morning, otherwise Admission Fee applies.

9 am to 5 pm May 10th St. Louis Hosta Society Show & Sale at Missouri Botanical Garden. Garden Admission Free to St. Louis City and St. Louis County residents on Saturday and Wednesday mornings, otherwise Admission Fee applies.

9 am to Noon May 10th Illinois Native Plant Society’s Native Plant Sale at Illinois State Fairgrounds, Springfield. It’s only an hour and a half drive or train ride from St. Louis.

10 am May 10th Bellefontaine Cemetery & Arboretum Spring Arboretum Trolley Tour with Horticulturist. Suggested $5 donation. Register

10 am May 10th St. Louis County Library event at Meramec Valley Branch, Fenton: Seed & Plant Swap. Register

10 am May 10th St. Louis Audubon The Birds and the Beers event at Tower Grove Park, then 2nd Shift Brewing on The Hill. $20. Register

10:30 am May 10th Seed St. Louis in-person class at Bell Community Garden: Seed Saving & Plant Breeding 101. Register

11 am May 10th St. Charles City-County Library Plant & Seed Swap at Spencer Road Branch. Register, registration opens April 12th

9 am to 5 pm May 11th Greater St. Louis Iris Society Show at Missouri Botanical Garden. Included with Garden Admission Fee.

For Kids 3-5 years of age. 7 Tickets remaining. May 13th Missouri Conservation Department event at Powder Valley Conservation Nature Center, Kirkwood: Conservation Kids- The Native Connection. Kids will help plant native milkweeds andf learn about native plants and insects. 9 am story time. 10 am milkweed activity & more. Register

2-6 pm May 14th Spring Plant Swap at LINC St. Charles County Community Center, 9 Love Park Lane, Wentzville MO

5 pm May 15th St. Louis Public Library event at Walnut Park Library: Wild Hearts- Understanding Animal Behavior in the Wild with St. Louis Zoo

6:30 pm May 15th Heartland Conservancy event: Third Thursday Cycling Series, Illinois. 16 miles on St. Clair County Transit District trails. Register

7 pm May 15th St. Louis County Library Virtual Class: Houseplant Propagation 101. Register

3:30 pm May 16th Missouri Conservation Department virtual class: Outdoor Hazards- snakes, ticks, heat, and more. Learn how to prevent and reduce run-ins with outdoor hazards. Register

1:30 pm May 20th University of Illinois Extension Webinar: Managing Common Squash and Pumpkin Pests. Register

10 am May 21st St. Louis County Library class at Weber Road Branch: Growing Herbs in Containers presented by St. Louis Herb Society. Register

2 pm May 21st Partners for Native Landscaping and St. Louis County Library Zoom Class: Cultivating Native Seeds in the Landscape. Register

3 pm May 23rd St. Louis County event at Clark Branch: Seed & Plant Swap. Register

8 am to 4 pm May 24th Missouri Wildflowers Nursery selling at Kirkwood Farmers Market. Order online for pick up at Market or purchase from what they bring that day.

4 Tickets remaining. 8:30 am May 25th St. Louis Audubon Beginner Bird Walk at Tower Grove Park. Register

May 26th Deadline to order native plants online from Missouri Wildflowers Nursery for pick up Saturday, May 31st, at Kirkwood Farmer’s Market

6 pm May 28th St. Louis Public Library event at Schlafly Library: How To Find An Owl In Your Neighborhood, presented by naturalist Mark H.X. Glenshaw, aka “The Owl Man.” Register

May 31st Urban Gardening Symposium at Brightside St. Louis Demonstration Garden. $10. Register

8 am to 4 pm May 31st Missouri Wildflowers Nursery selling at Kirkwood Farmers Market. Order online by previous Monday for pick up at Market or purchase from what they bring that day.

9 am to Noon May 31st Northside Workshop event in Old North: Decolonize the Garden- From Seeds to Bees. Register

For ages 12-18. 4:30 pm June 4th St. Louis Public Library event at Kingshighway Library: Wildflower Seed Ball Making

10 am June 5th Gratree Farm event in Wentzville, St. Charles County: U-Cut Lavender Grand Opening. Register

8 am to 4 pm June 7th Missouri Wildflowers Nursery selling at Kirkwood Farmers Market. Order online by previous Monday for pick up at Market or purchase from what they bring that day.

11 am June 14th St. Charles City-County Library Plant & Seed Swap at Spencer Road Branch. Register, registration opens May 17th

1 pm June 14th St. Louis Public Library class at Central Library: Herbs in the Civil War!

10 am June 21st Grow Native! Native Garden of Excellence Tour: Native Plant Garden at Ladue City Hall. Register

June 21-22 St. Louis Water Garden Society Pond-A-Rama tour. Tickets

9 am to 5 pm June 25th Kimmswick Visitor Center 25th Annual Daylily Sale. 35 Minute drive from St. Louis. Go early for best selection.

5:30 pm June 26th Missouri Coalition for the Environment St. Louis Chats for Change at Modern Brewing

11 am July 12th St. Charles City-County Library Plant & Seed Swap at Spencer Road Branch. Register, registration opens June 14th

11 am August 9th St. Charles City-County Library Plant & Seed Swap at Spencer Road Branch. Register, registration opens July 12th

9 am August 16th Seed St. Louis Fall Seedling Sale at Carriage House, 3815 Bell

8 am to Noon September 13th Edwardsville IL Garden Club Plant Sale at St. Mary’s Church Parking Lot

2 pm September 17th Partners for Native Landscaping and St. Louis County Library Zoom Class: Missouri Native Trees and Shrubs for Urban Landscapes. Register

10 am to 2 pm September 22nd Bring Conservation Home Expo at Tower Grove Park. Missouri Wildflower Nursery and other vendors will be selling but you can also order plants for pick up at the event.

2 pm October 1st Partners for Native Landscaping and St. Louis County Library Zoom Class: St. Louis Native Plants in a Changing Climate. Register

October 5th-6th Baker Creek Fall Harvest Festival in Mansfield, Wright County, MO, about a 3 1/2 hour drive from St. Louis or Kansas City

2 pm October 15th Partners for Native Landscaping and St. Louis County Library Zoom Class: Native Gardening Maintenance Tips, Tricks and Hacks. Register

9 am October 18th Seed St. Louis Garlic Sale at Carriage House, 3815 Bell

Join us Sundays on Bluesky for #GardenSunday.

This Week in Gardening & Nature

Plant of the Week: Collards. Also see Collard greens lovers are using science and history to lift up the Southern staple (WBEZ Chicago)

Seed St. Louis Raised Bed Plant Spacing Chart

Plan your garden with Seed St. Louis 2025 Planting Calendar.
-> Start Indoors This Week: Basil, Peppers, Tomatillo, Tomato
-> Transplant This Week: Perennials, Trees, Bok Choy, Broccoli, Cabbage, Cauliflower, Chard, Collards, Kale, Kohlrabi, Leeks, Lettuce, Onions
-> Sow Outdoors This Week: Arugula, Beets, Bok Choy, Carrots, Chard, Collards, Kale, Kohlrabi, Lettuce, Parsley, Peas, Spinach, Turnips

When to Plant in Illinois (University of Illinois Extension)

USDA Plant Hardiness Zone Map

Free Garden Planners, most require a computer, will not work on a cell phone

If you are just looking for St. Louis Area Plant and Seed Swaps and Sales, they are here. Added this week: Kimmswick Visitor Center’s 25th Annual Daylily Sale, more Flyleaf Market monthly pop up Succulent & Tropical Plant Sales, more St. Charles County Library Seed & Plant Swaps

Find a Native Plant/Seed vendor in Missouri, Illinois, Arkansas, Kansas,… (Grow Native)

St. Louis Master Gardeners Horticulture Answer Service: Monday through Thursday from 9 am. to 2:30 pm

April 15th Deadine to Nominate for Missouri Invasive Plant Council’s Invasive Plant Action Award

Illinois School Teachers- March 2025 Application process begins for 2026 Illinois Schoolyard Habitat Action Grant Program

Good Reads/Views/Listens —

March is the time to plant hardy, heady, healthy cabbage and kale (University of Missouri Extension)

8 species gardening experts regret planting in their yards, so you can avoid learning the hard way. Save yourself aggravation and excess work by heeding the advice of the professionals and avoid planting these species in your garden (Homes & Gardens)

Is planting trees ‘DEI’? Trump administration cuts nationwide tree-planting effort (NPR)

The Beginner’s Guide To Vegetable Gardening In Chicago. Zone 6a (Block Club Chicago)

Spring gardening in Colorado: From sustainable lawn alternatives to pest control, how to make the most of your spring garden (Colorado Public Radio)

Iowa House advances bill to change school nutrition standards. Lawmakers decline amendments to fund Choose Iowa purchasing program for schools (Iowa Capital Dispatch)

How to Make a Hummingbird Feeder (P. Allen Smith)

Shaw Nature Reserve Propagation Guide

Free Native Garden Designs @ Wild Ones. There’s one specific to St. Louis, one for Chicago, one for Denver, …

Native plant gardening in a pot. Missouri Botanical Garden has container designs for sun and shade.

Illinois Native Plants for the Home Landscape

2023 Plants of Merit – Annuals, Bulbs, Edibles, Perennials, Shrubs, Trees, Vines (Missouri Botanical Garden)

2023 Plants of Demerit – Bamboo, Big Leaf Hydrangea, Blueberry, Burning Bush, Chameleon Plant, Lavender, Pin Oak, Wintercreeper (Missouri Botanical Garden)

Gardening and Nature Events —

Volunteers Wanted. Brightside St. Louis March Blitz events. Register your neighborhood clean up and/or beautification event and request bags/tools here.

Now thru March 31st St. Louis Public Library photography exhibit at Schlafly Library: Gaucha Berlin’s In Bloom III, nature throughout the seasons, photos taken in the Benton Park Neighborhood

Now thu July 28th Art Exhibit at Kemper Art Museum, Washington University- Seeds: Containers of a World to Come

March 31st to April 25th, except Wednesdays and Sundays, St. Louis Public Library event at Central Library: St. Louis Watercolor Society 25th Annual Juried Exhibition. Bound to be some gorgeous flowers and nature submissions.

Missouri Wildflowers Nursery returns to Kirkwood Farmers Market: 8 am to 4 pm Saturdays, April 5th, April 12th, April 19th, April 26th, May 31st, June 7th. Order online for pick up at Market or purchase from what they bring that day.

6:30 pm Monday, March 24th, Missouri River Bird Observatory webinar: The Migratory Bird Treaty Act- history, applications, and current status presented by Sarah Kendrick, US Fish & Wildlife Service. Register

4 pm Tuesday, March 25th, Grow Native! webinar: Native Cool-Season Grasses & Sedges for Landscaping, Forage, and Wildlife Benefits. Register

20 Seats remaining. 1 pm Wednesday, March 26th, Missouri Conservation Department Orienteering and GPS event at Tower Grove Park: Geocaching- Amphibian Adventure! Register

6 pm Wednesday, March 26th, St. Louis County Library event at Daniel Boone Branch, Ellisville: Mad About Mushrooms, presented by St. Louis Herb Society. Learn about harvesting, cooking, and preserving mushrooms. Register

10 am Thursday, March 27th, Bellefontaine Cemetery & Arboretum event: Spring Arboretum Trolley Tour with horticulturist. $5 Register

1 pm Thursday, March 27th, Missouri Conservation Department Zoom class: Ozark’s White Oak Baskets. Learn about the trees harvested, where they grow, and how to choose one to cut; and methods of processing the wood into weaving strips. Register

5 pm Thursday, March 27th St. Louis Public Library event at Julia Davis Library: Sowing Seeds of Justice, presented by Jennings farmer Julia Thompson. Learn about urban homesteading with an emphasis on chickens.

7 Seats remaining. Family-friendly. 6 pm Thursday, March 27th, Missouri Conservation Department event at Forest Park Hatchery: Fishing Lesson 1- Equipment, Casting, & Proper Fish Handling. Gear provided. Register

6 pm Thursday, March 27th, Seed St. Louis Zoom class: Container Gardening. Register

1 pm Friday, March 28th, Missouri Conservation Department Virtual class: Hummingbirds of Missouri. Register

Volunteers Wanted. 9 am Saturday, March 29th, Forest ReLeaf event at CommuniTree Gardens Nursery, Maryland Heights: March Open Nursery Potting Day. Help pot up 20,000 bare root tree seedlings. Register

Volunteers Wanted. 9 am Saturday, March 29th, Sierra Club Eastern Missouri Service Day (Trash Pick Up) on Centennial Greenway, Olive to Shaw Park, St. Louis County. Register

Volunteers Wanted. 9 am Saturday, March 29th, Heartland Conservancy Stewardship Day (honeysuckle removal) at Trout Hollow Hill Prairie, Monroe County/Waterloo Area, Illinois. Register

18 Seats remaining. 9 am Saturday, March 29th, Missouri Conservation Department event at Powder Valley Conservation Nature Center: Wonderful Wildflowers Hike with naturalist. Hickory Ridge Trail, 1.2 miles of paved but hilly oak-hickory forest. Register

17 Seats remaining. 11 am Saturday, March 29th, Missouri Conservation Department event at Powder Valley Conservation Nature Center: Wonderful Wildflowers Hike with naturalist. Hickory Ridge Trail, 1.2 miles of paved but hilly oak-hickory forest. Register

7 pm Saturday, March 29th, Heartlands Conservancy event at Poag Sand Prairie, Edwardsville, Illinois: Frog Walk. Register

1 Ticket remaining. 8:30 am Sunday, March 30th, St. Louis Audubon Society Beginner Bird Walk at Tower Grove Park. Register

1 pm Sunday, March 30th, Willoughby Farm event in Collinsville, Illinois: Sustainability Series- Knowing & Growing the Native Garden. $15. Register

1-4:30 pm Sunday, March 30th, Wild & Scenic Film Festival at The Blue Note, Columbia MO

6:30 pm April 1st Piasa Palisades Sierra Club Virtual event: America’s Great Coal Catastrophe. Presented by Jared Sullivan, the author of Valley So Low. Also, learn about the connections between the TVA and Illinois coal mines. Register

2 pm April 2nd Partners for Native Landscaping and St. Louis County Library Zoom Class: Transforming Vacant Lots into Neighborhood Greenspaces. Register

7 pm April 2nd St. Louis County Library and Left Bank Books author event at Clark Family Branch: Paleontologist and Science Writer Riley Black, “When the Earth Was Green: Plants, Animals, and Evolution’s Greatest Romance.” Register

6 pm April 3rd Willoughby Farm event in Collinsville, Illinois: Composting Series- Indoor Compostin- Vermicomposting and Bokashi. $15. Register

6:30 pm April 3rd Missouri Conservation Department Zoom class: Native Plants- Missouri’s Spring Blooms (Kansas City focus). Register

9 am to 3 pm April 4th Missouri Botanical Garden Arbor Day Native Tree Seedling Giveaway. Garden Admission required.

10:30 am April 4th Missouri Conservation Department Zoom class: Wildflower ID. Register

8 am to 4 pm April 5th Missouri Wildflowers Nursery returns to Kirkwood Farmers Market. Order online for pick up at Market or purchase from what they bring that day.

8 am April 5th St. Louis Audubon Society Beginner Bird Walk at Forest Park. Register

9 am April 5th Seed St. Louis Spring Seedling Sale at Carriage House, 3815 Bell: bok choy, broccoli, cabbage, cauliflower, collards, kale, kohlrabi, lettuce, misome

Volunteers Wanted. 9 am April 5th Forest ReLeaf event at Old St. Marcus Cemetery: Christy Greenway Tree Planting. Register

10:30 am April 5th Seed St. Louis workshop at Bell Garden, 3841 Bell: Community Engagement for the School Garden. Register

Noon April 5th Missouri Conservation Department event at Powder Valley Conservation Nature Center: Spring Ephemeral Hike with a naturalist. Hickory Ridge trail on the long loop, 1.25 miles. Register

1 pm April 6th Willoughby Farm event in Collinsville, Illinois: Composting Series- Container Gardening. $15. Register

April 6th & 7th Baker Creek Tulip Festival in Mansfield, Wright County, MO, about a 3 1/2 hour drive from St. Louis or Kansas City

8:30 am April 7th Missouri Conservation Department at Carondelet Park: 2 Mile Hike. Register

4 pm April 8th Missouri Conservation Department at Powder Valley Conservation Nature Center, Kirkwood: Flowering Trees Hike. Broken Ridge Trail, 2/3-mile, paved. Register

Volunteers Wanted. 9 am April 10th Heartland Conservancy event at Edwardsville, Illinois: Poag Sand Prairie Restoration Stewardship Day. Register

6 pm April 10th St. Louis County Library Plant Swap at Thornhill Branch

6 pm April 10th St. Louis County Library event at Grant’s View Branch: Introduction to Landscape Design. Register

2 pm April 11th St. Louis County Library event at Mid-County Branch, Clayton: Homesteading- Gardens for Small Spaces. Register

7 am to 5 pm April 12th Veterans Free Fishing Day at Bennett Spring State Park near Lebanon MO

8 am to 4 pm April 12th Missouri Wildflowers Nursery selling at Kirkwood Farmers Market. Order online for pick up at Market or purchase from what they bring that day.

9 am April 12th Missouri Conservation Department Virtual class: Learning to Hunt- Wild Edibles presented by Bo Brown. Register

Volunteers Wanted. 9 am April 12th Forest ReLeaf event at CommuniTree Gardens Nursery, Maryland Heights: March Open Nursery Potting Day. Help pot up 20,000 bare root tree seedlings. Register

10 am April 12th Grow Native! Native Plant Sale at World Bird Sanctuary, Valley Park Mo. $12 entry fee

10 am April 12th Missouri Conservation Department Zoom class: Hummingbirds 101- Creating Spaces for Natures Jewels. Register

11 am April 12th St. Louis Public Library class at Central Library: For the Birds. Learn about planting beautiful, bird-friendly plants, and providing supplemental food, water, and shelter.

16 Seats remaining. 11 am April 12th St. Charles City-County Library Plant & Seed Swap at Spencer Road Branch. Register

1 pm April 12th St. Louis Public Library class at Central Library: Pest Control with Herbs. Register

10 am to 2 pm April 13th Riverlands Native Plant Festival at West Alton, Missouri: Speakers, workshops, native plant giveaway for attendees volunteering for sand prairie planting at event

6 pm April 17th St. Louis County Public Library Spring Gardening Swap at Prairie Commons Branch, Hazelwood. Bring plants, seeds, bulbs, gardening tools, gardening books to swap

8 am to 4 pm April 19th Missouri Wildflowers Nursery selling at Kirkwood Farmers Market. Order online for pick up at Market or purchase from what they bring that day.

9 am to Noon April 22nd Webster Groves Herb Society Display at Missouri Botanical Garden. Garden Admission Free to St. Louis City and St. Louis County residents on Saturday and Wednesday morning, otherwise Admission Fee applies.

11 am April 12th St. Charles City-County Library Plant & Seed Swap at Spencer Road Branch. Register, registration opens March 15th

2 pm April 16th Partners for Native Landscaping and St. Louis County Library Zoom Class: Pollinator Powerhouses and Keystone Plant Species. Register

6 pm April 17th St. Louis County Library event at Jamestown Bluff Branch, Florissant: Make It, Take It- Plant Pot. Register

For Ages 3-6 years. 10 am April 19th St. Louis County Library event at Grand Glaize Branch, Manchester: Preschool STEAM- Plants and Flowers. Dress for the mess. Register

4 pm April 21st St. Louis County Library event at Jamestown Bluffs Branch, Florissant: Pollinator Party. Register

6 pm April 23rd St. Louis County Library event at Rock Road Branch, St. Ann:
Spring Seed Bombs. Register

6 pm April 24th Missouri Conservation Department Virtual class: Learning to Hunt- Mushrooms. Register

6 pm April 24th Seed St. Louis, Table to Garden, Willoughby Farm and Good Dirt Composting Collective class at Collinsville, Illinois: Food Too Good to Waste Series- Outdoor Composting: Bins and Tumblers. $15. Register

9 am to 4 pm April 25th St. Louis Herb Society Herb Sale at Missouri Botanical Garden parking lot.

5 pm April 25th U City in Bloom Opening Night Party and Plant Sale. $25

9 am to 2 pm Friday and 8 am to 2 pm Saturday, April 25th-26th, Flyleaf Market monthly pop up on 1st floor of Watson Terrace Christian Church, Watson @ Winnebago: Succulent & Tropical Plant Sale. This involves a very cool Citizen Growers program.

8 am to 4 pm April 26th Missouri Wildflowers Nursery selling at Kirkwood Farmers Market. Order online for pick up at Market or purchase from what they bring that day.

9 am to 1 pm Saturday and 11 am to 1 pm Sunday, April 26th-27th, U City in Bloom Pant Sale

10 am April 26th St. Louis County Library event at Daniel Boone Branch, Ellisville: Seed & Plant Swap

April 26th-27th Project Pollinator Native Plant Sale at Sachs Butterfly House, Chesterfield

Noon to 3 pm April 26th Heartlands Conservancy Native Plant Sale & Order Pick Up at Clinton Hills Conservation Park Pavilion, Swansea, Illinois. Online Pre-Ordering March 20th to April 9th.

10 am to 4 pm April 26th Missouri River Bird Observatory Birds, Bees & Blooms Festival at Arrow Rock, Missouri. This is a 2 1/2 hour drive from St. Louis and a 1 1/2 hour drive from Kansas City.

1:30 pm April 29th University of Illinois Extension Webinar: Nature’s Uninvited Guests: The Impact of Invasive Plants. Properly dealing with invasive plants can lessen environmental impact. Register

2 pm April 30th Partners for Native Landscaping and St. Louis County Library Zoom Class: Oh, Deer – Dealing with Unwanted Guests in Your Landscape. Register

6 pm May 1st St. Louis Public Library event at Schlafly Library: Plant Predators- An Introduction to Carnivorous Plants with Carnivorous Plant Society. Register

19 Seats remaining. 10 am May 3rd St. Louis Public Library event at Central Library: Tomatoes 101. Register

1 pm May 3rd St. Louis Public Library event at Buder Library: Meet the Pack: Animals of the Endangered Wolf Center

1 pm May 3rd St. Louis Public Library class at Central Library: Growing Herbs in Containers.

May 4th-5th Baker Creek Spring Planting Festival in Mansfield, Wright County, MO, about a 3 1/2 hour drive from St. Louis or Kansas City

May 8th-9th Jeanette Goldfarb Plant Growth Facility Spring Plant Sale at Washington University

3 pm May 8th St. Louis Public Library event at Baden Library: Mocktails and Garden Party. enjoy refreshing mocktails while crafting your own potted plant to take home.

9 am May 10th Seed St. Louis Summer Seedling & Sweet Potato Slip Sale at Carriage House, 3815 Bell

May 10th Flora Conservancy Plant Sale @ Greenhouse, Forest Park – no link yet

9 am to Noon May 10th Illinois Native Plant Society’s Native Plant Sale at Illinois State Fairgrounds, Springfield. It’s only an hour and a half drive or train ride from St. Louis.

11 am May 10th St. Charles City-County Library Plant & Seed Swap at Spencer Road Branch. Register, registration opens April 12th

9 am to 5 pm May 11th Greater St. Louis Iris Society Show at Missouri Botanical Garden. Included with Garden Admission Fee.

5 pm May 15th St. Louis Public Library event at Walnut Park Library: Wild Hearts- Understanding Animal Behavior in the Wild with St. Louis Zoo

1:30 pm May 20th University of Illinois Extension Webinar: Managing Common Squash and Pumpkin Pests. Register

2 pm May 21st Partners for Native Landscaping and St. Louis County Library Zoom Class: Cultivating Native Seeds in the Landscape. Register

8 am to 4 pm May 24th Missouri Wildflowers Nursery selling at Kirkwood Farmers Market. Order online for pick up at Market or purchase from what they bring that day.

May 31st Urban Gardening Symposium at Brightside St. Louis Demonstration Garden. $10. Register

8 am to 4 pm May 31st Missouri Wildflowers Nursery selling at Kirkwood Farmers Market. Order online for pick up at Market or purchase from what they bring that day.

11 am June 14th St. Charles City-County Library Plant & Seed Swap at Spencer Road Branch. Register, registration opens May 17th

1 pm June 14th St. Louis Public Library class at Central Library: Herbs in the Civil War!

June 21-22 St. Louis Water Garden Society Pond-A-Rama tour. Tickets

9 am to 5 pm June 25th Kimmswick Visitor Center 25th Annual Daylily Sale. 35 Minute drive from St. Louis. Go early for best selection.

11 am July 12th St. Charles City-County Library Plant & Seed Swap at Spencer Road Branch. Register, registration opens June 14th

11 am August 9th St. Charles City-County Library Plant & Seed Swap at Spencer Road Branch. Register, registration opens July 12th

9 am August 16th Seed St. Louis Fall Seedling Sale at Carriage House, 3815 Bell

2 pm September 17th Partners for Native Landscaping and St. Louis County Library Zoom Class: Missouri Native Trees and Shrubs for Urban Landscapes. Register

10 am to 2 pm September 22nd Bring Conservation Home Expo at Tower Grove Park. Missouri Wildflower Nursery and other vendors will be selling but you can also order plants for pick up at the event.

2 pm October 1st Partners for Native Landscaping and St. Louis County Library Zoom Class: St. Louis Native Plants in a Changing Climate. Register

October 5th-6th Baker Creek Fall Harvest Festival in Mansfield, Wright County, MO, about a 3 1/2 hour drive from St. Louis or Kansas City

2 pm October 15th Partners for Native Landscaping and St. Louis County Library Zoom Class: Native Gardening Maintenance Tips, Tricks and Hacks. Register

9 am October 18th Seed St. Louis Garlic Sale at Carriage House, 3815 Bell

Join us Sundays on Bluesky for #GardenSunday.

This Week in Gardening & Nature

Cream color with raspberry splotches Hellebore flowering at Springfield Botanical Gardens, Missouri

Plant of the Week: Hellebores

April 25th Deadline to Register community cleaning or greening Blitz Projects with Brightside St. Louis and get free Blitz Blooms annuals to plant in public spaces.

Seed St. Louis Raised Bed Plant Spacing Chart

Plan your garden with Seed St. Louis 2025 Planting Calendar.
-> Start Indoors This Week: Basil, Peppers
-> Transplant This Week: Perennials, Trees, Bok Choy, Broccoli, Cabbage, Cauliflower, Chard, Collards, Kale, Kohlrabi, Leeks, Lettuce, Onions
-> Sow Outdoors This Week: Arugula, Beets, Bok Choy, Carrots, Chard, Collards, Kale, Kohlrabi, Lettuce, Parsley, Peas, Spinach, Turnips

When to Plant in Illinois (University of Illinois Extension)

USDA Plant Hardiness Zone Map

Free Garden Planners, most require a computer, will not work on a cell phone

If you are just looking for St. Louis Area Plant and Seed Swaps and Sales, they are here. Added this week: Flyleaf Market monthly pop up Succulent & Tropical Plant Sale, Illinois Native Plant Society’s Native Plant Sale at Illinois State Fairgrounds,

Find a Native Plant/Seed vendor in Missouri, Illinois, Arkansas, Kansas,… (Grow Native)

St. Louis Master Gardeners Horticulture Answer Service: Monday through Thursday from 9 am. to 2:30 pm

March 17th Registration Opens for Missouri Invasive Plant Council’s Callery (Bradford) Pear Buyback Program in 17 cities

April 15th Deadine to Nominate for Missouri Invasive Plant Council’s Invasive Plant Action Award

Illinois School Teachers- March 2025 Application process begins for 2026 Illinois Schoolyard Habitat Action Grant Program

Good Reads/Views/Listens —

Native Plants for Urban Balconies (Wild Ones)

Home Gardening 101: Experts share tips for St. Louis growers (St. Louis Public Radio)

EarthDance Organic Farm School’s Jess Coffin shares gardening insights (St. Louis Magazine)

Photos: Across the U.S., sky gazers marvel at the blood moon lunar eclipse (NPR)

First national analysis finds America’s butterflies are disappearing at ‘catastrophic’ rate (Phys.org)

Bill repealing Missouri law limiting utility charges heads to Gov. Mike Kehoe. The measure overturning a 1976 initiative banning charges for construction work in progress on new power plants is the third bill approved by lawmakers this year. (Missouri Independent)

Ameren Missouri makes long-term plans to build new nuclear power plant (Missouri Independent)

Iowa peregrine falcons saw ‘above average’ reproduction in 2024 (Iowa Capital Dispatch)

‘Stonewalling’: Forest Service mum on firings during wildfire briefing for congressional staff. Documents show window closing for prescribed burns this spring. (Source NM)

Shaw Nature Reserve Propagation Guide

Free Native Garden Designs @ Wild Ones. There’s one specific to St. Louis, one for Chicago, one for Denver, …

Native plant gardening in a pot. Missouri Botanical Garden has container designs for sun and shade.

Illinois Native Plants for the Home Landscape

2023 Plants of Merit – Annuals, Bulbs, Edibles, Perennials, Shrubs, Trees, Vines (Missouri Botanical Garden)

2023 Plants of Demerit – Bamboo, Big Leaf Hydrangea, Blueberry, Burning Bush, Chameleon Plant, Lavender, Pin Oak, Wintercreeper (Missouri Botanical Garden)

Gardening and Nature Events —

Volunteers Wanted. Brightside St. Louis March Blitz events. Register your neighborhood clean up and/or beautification event and request bags/tools here.

Now thru March 31st St. Louis Public Library photography exhibit at Schlafly Library: Gaucha Berlin’s In Bloom III, nature throughout the seasons, photos taken in the Benton Park Neighborhood

Now thu July 28th Art Exhibit at Kemper Art Museum, Washington University- Seeds: Containers of a World to Come

1 pm Sunday, March 16th, Willoughby Farm event in Collinsville, Illinois: Sustainability Series- Urban Gardening. $15. Register

Monday, March 17th, Registration Opens for Missouri Invasive Plant Council’s Callery (Bradford) Pear Buyback Program in 17 cities

6:30 pm Monday, March 17th, Missouri River Bird Observatory webinar: Missouri Water Policy- history and current legislation presented by Mary Culler, Missouri Stream Teams United. Register

10 am Wednesday, March 19th, Bellefontaine Cemetery & Arboretum event: History & Horticulture Trolley Tour. $5. Register

2 pm Wednesday, March 19th, Partners for Native Landscaping and St. Louis County Library Zoom Class: Monarchs and Mosquitoes – Control the Pests, Protect the Pollinators. Register

Thursday, March 20th: Pre-ordering begins for April 26th Heartlands Conservancy Native Plant Sale & Order Pick Up at Clinton Hills Conservation Park Pavilion, Swansea, Illinois.

2 pm Thursday, March 20th, Missouri Conservation Department event at Emmenegger Nature Park, Kirkwood: First Day of Spring Hike, two miles on Bluff Creek Trail. Register

5 pm Thursday, March 20th, St. Louis Public Library event at Julia Davis Library: Sowing Seeds of Justice, presented by Jennings farmer Julia Thompson. Learn about urban homesteading with an emphasis on chickens.

6 pm Thursday, March 20th, Wild Ones National Panel Discussion: The Advocacy Power of Public Native Gardens. Register

9 am to 2 pm Friday and 8 am to 2 pm Saturday, March 21st-22nd, Flyleaf Market monthly pop up on 1st floor of Watson Terrace Christian Church, Watson @ Winnebago: Succulent & Tropical Plant Sale. This involves a very cool Citizen Growers program.

3:30 pm Friday, March 21st, Missouri Conservation Department Zoom class: Plant This, Not That! Learn about great native plants and plants harmful to Missouri wildlife and ecosystems. Register

Saturday, March 22nd, Bellefontaine Cemetery & Arboretum Fox Trot 5K and Kit Crawl 10K Run/Walk Fundraiser. Register

9 am to Noon Saturday, March 22nd, Webster Groves Herb Society Display at Missouri Botanical Garden. Garden Admission Free to St. Louis City and St. Louis County residents on Saturday and Wednesday mornings.

6 Tickets remaining. 12:30 pm Saturday, March 22nd, Missouri Conservation Department class at Power Valley Nature Conservation Center, Kirkwood: Introduction to Archery. Register

1 pm Saturday, March 22nd, St. Louis Public Library event at Central Library: Critical for Gardening- Get the Dirt on Soil, Missouri Botanical Gardens Master Gardener Speakers Bureau

1 pm Saturday, March 22nd, Missouri Conservation Department Zoom class: Non-Native Invasive Species. Register

6:30 pm March 24th Missouri River Bird Observatory webinar: The Migratory Bird Treaty Act- history, applications, and current status presented by Sarah Kendrick, US Fish & Wildlife Service. Register

4 pm March 25th Grow Native! webinar: Native Cool-Season Grasses & Sedges for Landscaping, Forage, and Wildlife Benefits. Register

6 pm March 26th St. Louis County Library event at Daniel Boone Branch, Ellisville: Mad About Mushrooms, presented by St. Louis Herb Society. Learn about harvesting, cooking, and preserving mushrooms. Register

9 Seats remaining. Family-friendly. 6 pm March 27th Missouri Conservation Department event at Forest Park Hatchery: Fishing Lesson 1- Equipment, Casting, & Proper Fish Handling. Gear provided. Register

1 pm March 28th Missouri Conservation Department Virtual class: Hummingbirds of Missouri. Register

Volunteers Wanted. 9 am March 29th Forest ReLeaf event at CommuniTree Gardens Nursery, Maryland Heights: March Open Nursery Potting Day. Help pot up 20,000 bare root tree seedlings. Register

Volunteers Wanted. 9 am March 29th Sierra Club Eastern Missouri Service Day (Trash Pick Up) on Centennial Greenway, Olive to Shaw Park, St. Louis County. Register

Volunteers Wanted. 9 am March 29th Heartland Conservancy Stewardship Day (honeysuckle removal) at Trout Hollow Hill Prairie, Monroe County/Waterloo Area, Illinois. Register

7 pm March 29th Heartlands Conservancy event at Poag Sand Prairie, Edwardsville, Illinois: Frog Walk. Register

8 Tickets remaining. 8:30 am March 30th St. Louis Audubon Society Beginner Bird Walk at Tower Grove Park. Register

1 pm March 30th Willoughby Farm event in Collinsville, Illinois: Sustainability Series- Knowing & Growing the Native Garden. $15. Register

1-4:30 pm March 30th Wild & Scenic Film Festival at The Blue Note, Columbia MO

2 pm April 2nd Partners for Native Landscaping and St. Louis County Library Zoom Class: Transforming Vacant Lots into Neighborhood Greenspaces. Register

6 pm April 3rd Willoughby Farm event in Collinsville, Illinois: Composting Series- Indoor Compostin- Vermicomposting and Bokashi. $15. Register

9 am to 3 pm April 4th Missouri Botanical Garden Arbor Day Native Tree Seedling Giveaway. Garden Admission required.

8 am to 4 pm April 5th Missouri Wildflowers Nursery returns to Kirkwood Farmers Market. Order online for pick up at Market or purchase from what they bring that day.

8 am April 5th St. Louis Audubon Society Beginner Bird Walk at Forest Park. Register

9 am April 5th Seed St. Louis Spring Seedling Sale at Carriage House, 3815 Bell: bok choy, broccoli, cauliflower, kale, lettuce

Volunteers Wanted. 9 am April 5th Forest ReLeaf event at Old St. Marcus Cemetery: Christy Greenway Tree Planting. Register

10:30 am April 5th Seed St. Louis workshop at Bell Garden, 3841 Bell: Community Engagement for the School Garden. Register

1 pm April 6th Willoughby Farm event in Collinsville, Illinois: Composting Series- Container Gardening. $15. Register

April 6th & 7th Baker Creek Tulip Festival in Mansfield, Wright County, MO, about a 3 1/2 hour drive from St. Louis or Kansas City

Volunteers Wanted. 9 am April 10th Heartland Conservancy event at Edwardsville, Illinois: Poag Sand Prairie Restoration Stewardship Day. Register

6 pm April 10th St. Louis County Library Plant Swap at Thornhill Branch

6 pm April 10th St. Louis County Library event at Grant’s View Branch: Introduction to Landscape Design. Register

2 pm April 11th St. Louis County Library event at Mid-County Branch, Clayton: Homesteading- Gardens for Small Spaces. Register

7 am to 5 pm April 12th Veterans Free Fishing Day at Bennett Spring State Park near Lebanon MO

8 am to 4 pm April 12th Missouri Wildflowers Nursery selling at Kirkwood Farmers Market. Order online for pick up at Market or purchase from what they bring that day.

9 am April 12th Missouri Conservation Department Virtual class: Learning to Hunt- Wild Edibles presented by Bo Brown. Register

Volunteers Wanted. 9 am April 12th Forest ReLeaf event at CommuniTree Gardens Nursery, Maryland Heights: March Open Nursery Potting Day. Help pot up 20,000 bare root tree seedlings. Register

10 am April 12th Grow Native! Native Plant Sale at World Bird Sanctuary, Valley Park Mo. $12 entry fee

11 am April 12th St. Louis Public Library class at Central Library: For the Birds. Learn about planting beautiful, bird-friendly plants, and providing supplemental food, water, and shelter.

1 pm April 12th St. Louis Public Library class at Central Library: Pest Control with Herbs. Register

10 am to 2 pm April 13th Riverlands Native Plant Festival at West Alton, Missouri: Speakers, workshops, native plant giveaway for attendees volunteering for sand prairie planting at event

6 pm April 17th St. Louis County Public Library Spring Gardening Swap at Prairie Commons Branch, Hazelwood. Bring plants, seeds, bulbs, gardening tools, gardening books to swap

8 am to 4 pm April 19th Missouri Wildflowers Nursery selling at Kirkwood Farmers Market. Order online for pick up at Market or purchase from what they bring that day.

11 am April 12th St. Charles City-County Library Plant & Seed Swap at Spencer Road Branch. Register, registration opens March 15th

2 pm April 16th Partners for Native Landscaping and St. Louis County Library Zoom Class: Pollinator Powerhouses and Keystone Plant Species. Register

6 pm April 17th St. Louis County Library event at Jamestown Bluff Branch, Florissant: Make It, Take It- Plant Pot. Register

For Ages 3-6 years. 10 am April 19th St. Louis County Library event at Grand Glaize Branch, Manchester: Preschool STEAM- Plants and Flowers. Dress for the mess. Register

4 pm April 21st St. Louis County Library event at Jamestown Bluffs Branch, Florissant: Pollinator Party. Register

6 pm April 23rd St. Louis County Library event at Rock Road Branch, St. Ann:
Spring Seed Bombs. Register

6 pm April 24th Missouri Conservation Department Virtual class: Learning to Hunt- Mushrooms. Register

9 am to 4 pm April 25th St. Louis Herb Society Herb Sale at Missouri Botanical Garden parking lot.

8 am to 4 pm April 26th Missouri Wildflowers Nursery selling at Kirkwood Farmers Market. Order online for pick up at Market or purchase from what they bring that day.

10 am April 26th St. Louis County Library event at Daniel Boone Branch, Ellisville: Seed & Plant Swap

April 26th-27th Project Pollinator Native Plant Sale at Sachs Butterfly House, Chesterfield

Noon to 3 pm April 26th Heartlands Conservancy Native Plant Sale & Order Pick Up at Clinton Hills Conservation Park Pavilion, Swansea, Illinois. Online Pre-Ordering March 20th to April 9th.

10 am to 4 pm April 26th Missouri River Bird Observatory Birds, Bees & Blooms Festival at Arrow Rock, Missouri. This is a 2 1/2 hour drive from St. Louis and a 1 1/2 hour drive from Kansas City.

2 pm April 30th Partners for Native Landscaping and St. Louis County Library Zoom Class: Oh, Deer – Dealing with Unwanted Guests in Your Landscape. Register

6 pm May 1st St. Louis Public Library event at Schlafly Library: Plant Predators- An Introduction to Carnivorous Plants with Carnivorous Plant Society. Register

19 Seats remaining. 10 am May 3rd St. Louis Public Library event at Central Library: Tomatoes 101. Register

1 pm May 3rd St. Louis Public Library event at Buder Library: Meet the Pack: Animals of the Endangered Wolf Center

1 pm May 3rd St. Louis Public Library class at Central Library: Growing Herbs in Containers.

May 4th-5th Baker Creek Spring Planting Festival in Mansfield, Wright County, MO, about a 3 1/2 hour drive from St. Louis or Kansas City

May 8th-9th Jeanette Goldfarb Plant Growth Facility Spring Plant Sale at Washington University

3 pm May 8th St. Louis Public Library event at Baden Library: Mocktails and Garden Party. enjoy refreshing mocktails while crafting your own potted plant to take home.

9 am May 10th Seed St. Louis Summer Seedling & Sweet Potato Slip Sale at Carriage House, 3815 Bell

May 10th Flora Conservancy Plant Sale @ Greenhouse, Forest Park – no link yet

9 am to Noon May 10th Illinois Native Plant Society’s Native Plant Sale at Illinois State Fairgrounds, Springfield. It’s only an hour and a half drive or train ride from St. Louis.

11 am May 10th St. Charles City-County Library Plant & Seed Swap at Spencer Road Branch. Register, registration opens April 12th

9 am to 5 pm May 11th Greater St. Louis Iris Society Show at Missouri Botanical Garden. Included with Garden Admission Fee.

5 pm May 15th St. Louis Public Library event at Walnut Park Library: Wild Hearts- Understanding Animal Behavior in the Wild with St. Louis Zoo

2 pm May 21st Partners for Native Landscaping and St. Louis County Library Zoom Class: Cultivating Native Seeds in the Landscape. Register

8 am to 4 pm May 24th Missouri Wildflowers Nursery selling at Kirkwood Farmers Market. Order online for pick up at Market or purchase from what they bring that day.

May 31st Urban Gardening Symposium at Brightside St. Louis Demonstration Garden. $10. Register

8 am to 4 pm May 31st Missouri Wildflowers Nursery selling at Kirkwood Farmers Market. Order online for pick up at Market or purchase from what they bring that day.

1 pm June 14th St. Louis Public Library class at Central Library: Herbs in the Civil War!

June 21-22 St. Louis Water Garden Society Pond-A-Rama tour. Tickets

9 am August 16th Seed St. Louis Fall Seedling Sale at Carriage House, 3815 Bell

2 pm September 17th Partners for Native Landscaping and St. Louis County Library Zoom Class: Missouri Native Trees and Shrubs for Urban Landscapes. Register

10 am to 2 pm September 22nd Bring Conservation Home Expo at Tower Grove Park. Missouri Wildflower Nursery and other vendors will be selling but you can also order plants for pick up at the event.

2 pm October 1st Partners for Native Landscaping and St. Louis County Library Zoom Class: St. Louis Native Plants in a Changing Climate. Register

October 5th-6th Baker Creek Fall Harvest Festival in Mansfield, Wright County, MO, about a 3 1/2 hour drive from St. Louis or Kansas City

2 pm October 15th Partners for Native Landscaping and St. Louis County Library Zoom Class: Native Gardening Maintenance Tips, Tricks and Hacks. Register

9 am October 18th Seed St. Louis Garlic Sale at Carriage House, 3815 Bell

Join us Sundays on Bluesky for #GardenSunday.

This Week in Gardening & Nature

Plant of the Week: Dwarf Iris

Plan your garden with Seed St. Louis 2025 Planting Calendar.
-> Start Indoors This Week: Basil, Peppers
-> Transplant This Week: Perennials, Trees, Bok Choy, Broccoli, Cabbage, Chard, Collards, Kale, Kohlrabi, Leeks, Lettuce, Onions
-> Sow Outdoors This Week: Arugula, Carrots, Bok Choy, Chard, Collards, Kale, Kohlrabi, Lettuce, Peas. Spinach, Turnips

When to Plant in Illinois (University of Illinois Extension)

USDA Plant Hardiness Zone Map

Free Garden Planners, most require a computer, will not work on a cell phone

If you are just looking for St. Louis Area Plant and Seed Swaps and Sales, they are here. Added this week: Seed St. Louis Spring Seedling Sale, another St. Louis County Library Seed & Plant Swap

Find a Native Plant/Seed vendor in Missouri, Illinois, Arkansas, Kansas,… (Grow Native)

St. Louis Master Gardeners Horticulture Answer Service: Monday through Thursday from 9 am. to 2:30 pm

April 25th Deadline to Register community cleaning or greening Blitz Projects with Brightside St. Louis and get free Blitz Blooms annuals to plant in public spaces.

Illinois School Teachers- March 2025 Application process begins for 2026 Illinois Schoolyard Habitat Action Grant Program

Good Reads/Views/Listens —

March Gardening Tips for Outdoor Flowering Plants & Ornamentals, Indoor Plants, Vegetable Gardening, Fruits & Nuts (University of Missouri Extension)

Companion planting: Combining plants for a healthy, well-balanced garden (University of Illinois Extension)

After losing its community garden, Ujima finds ways to grow (St. Louis Public Radio)

Gardening can protect monarch butterflies (University of Missouri Extension)

Trump administration ends reimbursements for Illinois food programs. USDA funds are part of nearly $2 billion being withheld from Illinois, Pritzker says (Capital News Illinois)

Influential factory farm industry presents a massive challenge to safety of Oklahomans, animals (Oklahoma Voice)

Shaw Nature Reserve Propagation Guide

Free Native Garden Designs @ Wild Ones. There’s one specific to St. Louis, one for Chicago, one for Denver, …

Native plant gardening in a pot. Missouri Botanical Garden has container designs for sun and shade.

Illinois Native Plants for the Home Landscape

2023 Plants of Merit – Annuals, Bulbs, Edibles, Perennials, Shrubs, Trees, Vines (Missouri Botanical Garden)

2023 Plants of Demerit – Bamboo, Big Leaf Hydrangea, Blueberry, Burning Bush, Chameleon Plant, Lavender, Pin Oak, Wintercreeper (Missouri Botanical Garden)

Gardening and Nature Events —

Volunteers Wanted. Brightside St. Louis March Blitz events. Register your neighborhood clean up and/or beautification event and request bags/tools here.

Now thru March 31st St. Louis Public Library photography exhibit at Schlafly Library: Gaucha Berlin’s In Bloom III, nature throughout the seasons, photos taken in the Benton Park Neighborhood

Now thu July 28th Art Exhibit at Kemper Art Museum, Washington University- Seeds: Containers of a World to Come

6:30 pm Monday, March 10th, Missouri River Bird Observatory webinar: Plastics and Public Health: the unsettling latest in medical research presented by Megan Wolff, Beyond Plastics. Register

1- 4 pm Tuesday, March 11th, Bellefontaine Cemetery & Arboretum horticulture class: Formal and Natural Garden Design Class. Register

4 pm Tuesday, March 11th, Missouri Conservation Department online class: Early Butterflies. Register

6:30 pm Tuesday, March 11th, Piasa Palisades Sierra Club speaker series at Old Bakery Beer, Alton, Illinois: US Army Corps of Engineers and Leave No Trace. Register

7 pm Tuesday, March 11th, St. Louis Audubon and the Sierra Club Eastern Missouri event at Webster University: The Plastic Pollution Crisis- A Threat to Ecosystems and Beyond. Register

9 am Wednesday, March 12th, Bellefontaine Cemetery & Arboretum event: Spring Bulb Walk with horticulturist. $5. Register

4 pm Wednesday, March 12th, Missouri Prairie Foundation webinar: Grassland Grouse- Beauty, Biology, & Conservation. Join acclaimed nature photographer Noppadol Paothong for an unforgettable journey through 25 years of photographing grassland grouse. Register

5-7 pm Wednesday, March 12th, Seed St. Louis Young Friends Happy Hour at 2nd Shift Brewing, The Hill

35 Seats remaining. 6 pm Wednesday, March 12th, St. Louis Public Library event at Carpenter Library: Welcoming Native Species into Your Garden, presented by Ro Kicker. Free native seed packet to each participant. Register

Noon Thursday, March 13th, Missouri Conservation Department virtual class: Organic Gardening. Register

5 pm Thursday, March 13th St. Louis Public Library event at Julia Davis Library: Sowing Seeds of Justice, presented by Jennings farmer Julia Thompson. Learn about urban homesteading with an emphasis on chickens.

6 pm Thursday, March 13th, Seed St. Louis, Table to Garden, Willoughby Farm and Good Dirt Composting Collective class at Collinsville, Illinois: Food Too Good To Waste Series- Composting 101. $15. Register

6 pm Thursday, March 13th, St. Louis County Library event at Grand Glaize Branch, Manchester: Mad About Mushrooms, presented by St. Louis Herb Society. Learn about harvesting, cooking, and preserving mushrooms. Register

Volunteers Wanted. 9 am Friday, March 14th, Sierra Club Eastern Missouri Service Day at Castlewood State Park, Ballwin. Register

3:30 pm Friday, March 14th, Missouri Conservation Department Zoom class: Native Plants- Unusual Plants. Register

7 pm Friday, March 14th, Heartlands Conservancy Full Moon Hike at Bohm Woods State Nature Preserve in Edwardsville, Illinois. Register

10 am to 2 pm Saturday, March 15th, Rustic Roots Sanctuary 5th Annual Seed Swap in Spanish Lake. Register

10 am Saturday, March 15th, Bellefontaine Cemetery & Arboretum Spring Arboretum Trolley Tour with naturalist. $5. Register

2 pm Saturday, March 15th, St. Louis Public Library event at Divoll Library: Seed Swap

1 pm Sunday, March 16th, Willoughby Farm event in Collinsville, Illinois: Sustainability Series- Urban Gardening. $15. Register

6:30 pm March 17th Missouri River Bird Observatory webinar: Missouri Water Policy- history and current legislation presented by Mary Culler, Missouri Stream Teams United. Register

10 am March 19th Bellefontaine Cemetery & Arboretum event: History & Horticulture Trolley Tour. $5. Register

2 pm March 19th Partners for Native Landscaping and St. Louis County Library Zoom Class: Monarchs and Mosquitoes – Control the Pests, Protect the Pollinators. Register

2 pm March 20th Missouri Conservation Department event at Emmenegger Nature Park, Kirkwood: First Day of Spring Hike, two miles on Bluff Creek Trail. Register

5 pm March 20th St. Louis Public Library event at Julia Davis Library: Sowing Seeds of Justice, presented by Jennings farmer Julia Thompson. Learn about urban homesteading with an emphasis on chickens.

6 pm March 20th Wild Ones National Panel Discussion: The Advocacy Power of Public Native Gardens. Register

3:30 pm March 21st Missouri Conservation Department Zoom class: Plant This, Not That! Learn about great native plants and plants harmful to Missouri wildlife and ecosystems. Register

March 22nd Bellefontaine Cemetery & Arboretum Fox Trot 5K and Kit Crawl 10K Run/Walk Fundraiser. Register

9 am to Noon March 22nd Webster Groves Herb Society Display at Missouri Botanical Garden. Garden Admission Free to St. Louis City and St. Louis County residents on Saturday and Wednesday mornings.

10 Tickets remaining. 12:30 pm March 22nd Missouri Conservation Department class at Power Valley Nature Conservation Center, Kirkwood: Introduction to Archery. Register

1 pm March 22nd St. Louis Public Library event at Central Library: Critical for Gardening- Get the Dirt on Soil, Missouri Botanical Gardens Master Gardener Speakers Bureau

1 pm March 22nd Missouri Conservation Department Zoom class: Non-Native Invasive Species. Register

4 pm March 25th Grow Native! webinar: Native Cool-Season Grasses & Sedges for Landscaping, Forage, and Wildlife Benefits. Register

11 Seats remaining. Family-friendly. 6 pm March 27th Missouri Conservation Department event at Forest Park Hatchery: Fishing Lesson 1- Equipment, Casting, & Proper Fish Handling. Gear provided. Register

1 pm March 28th Missouri Conservation Department Virtual class: Hummingbirds of Missouri. Register

Volunteers Wanted. 9 am March 29th Forest ReLeaf event at CommuniTree Gardens Nursery, Maryland Heights: March Open Nursery Potting Day. Help pot up 20,000 bare root tree seedlings. Register

Volunteers Wanted. 9 am March 29th Sierra Club Eastern Missouri Service Day (Trash Pick Up) on Centennial Greenway, Olive to Shaw Park, St. Louis County. Register

Volunteers Wanted. 9 am March 29th Heartland Conservancy Stewardship Day (honeysuckle removal) at Trout Hollow Hill Prairie, Monroe County/Waterloo Area, Illinois. Register

7 pm March 29th Heartlands Conservancy event at Poag Sand Prairie, Edwardsville, Illinois: Frog Walk. Register

17 Tickets remaining. 8:30 am March 30th St. Louis Audubon Society Beginner Bird Walk at Tower Grove Park. Register

1 pm March 30th Willoughby Farm event in Collinsville, Illinois: Sustainability Series- Knowing & Growing the Native Garden. $15. Register

1-4:30 pm March 30th Wild & Scenic Film Festival at The Blue Note, Columbia MO

2 pm April 2nd Partners for Native Landscaping and St. Louis County Library Zoom Class: Transforming Vacant Lots into Neighborhood Greenspaces. Register

6 pm April 3rd Willoughby Farm event in Collinsville, Illinois: Composting Series- Indoor Compostin- Vermicomposting and Bokashi. $15. Register

9 am to 3 pm April 4th Missouri Botanical Garden Arbor Day Native Tree Seedling Giveaway. Garden Admission required.

8 am to 4 pm April 5th Missouri Wildflowers Nursery returns to Kirkwood Farmers Market. Order online for pick up at Market or purchase from what they bring that day.

8 am April 5th St. Louis Audubon Society Beginner Bird Walk at Forest Park. Register

9 am April 5th Seed St. Louis Spring Seedling Sale at Carriage House, 3815 Bell: bok choy, broccoli, cauliflower, kale, lettuce

Volunteers Wanted. 9 am April 5th Forest ReLeaf event at Old St. Marcus Cemetery: Christy Greenway Tree Planting. Register

10:30 am April 5th Seed St. Louis workshop at Bell Garden, 3841 Bell: Community Engagement for the School Garden. Register

1 pm April 6th Willoughby Farm event in Collinsville, Illinois: Composting Series- Container Gardening. $15. Register

April 6th & 7th Baker Creek Tulip Festival in Mansfield, Wright County, MO, about a 3 1/2 hour drive from St. Louis or Kansas City

Volunteers Wanted. 9 am April 10th Heartland Conservancy event at Edwardsville, Illinois: Poag Sand Prairie Restoration Stewardship Day. Register

6 pm April 10th St. Louis County Library Plant Swap at Thornhill Branch

6 pm April 10th St. Louis County Library event at Grant’s View Branch: Introduction to Landscape Design. Register

2 pm April 11th St. Louis County Library event at Mid-County Branch, Clayton: Homesteading- Gardens for Small Spaces. Register

7 am to 5 pm April 12th Veterans Free Fishing Day at Bennett Spring State Park near Lebanon MO

8 am to 4 pm April 12th Missouri Wildflowers Nursery selling at Kirkwood Farmers Market. Order online for pick up at Market or purchase from what they bring that day.

9 am April 12th Missouri Conservation Department Virtual class: Learning to Hunt- Wild Edibles presented by Bo Brown. Register

Volunteers Wanted. 9 am April 12th Forest ReLeaf event at CommuniTree Gardens Nursery, Maryland Heights: March Open Nursery Potting Day. Help pot up 20,000 bare root tree seedlings. Register

10 am April 12th Grow Native! Native Plant Sale at World Bird Sanctuary, Valley Park Mo. $12 entry fee

11 am April 12th St. Louis Public Library class at Central Library: For the Birds. Learn about planting beautiful, bird-friendly plants, and providing supplemental food, water, and shelter.

1 pm April 12th St. Louis Public Library class at Central Library: Pest Control with Herbs. Register

10 am to 2 pm April 13th Riverlands Native Plant Festival at West Alton, Missouri: Speakers, workshops, native plant giveaway for attendees volunteering for sand prairie planting at event

6 pm April 17th St. Louis County Public Library Spring Gardening Swap at Prairie Commons Branch, Hazelwood. Bring plants, seeds, bulbs, gardening tools, gardening books to swap

8 am to 4 pm April 19th Missouri Wildflowers Nursery selling at Kirkwood Farmers Market. Order online for pick up at Market or purchase from what they bring that day.

11 am April 12th St. Charles City-County Library Plant & Seed Swap at Spencer Road Branch. Register, registration opens March 15th

2 pm April 16th Partners for Native Landscaping and St. Louis County Library Zoom Class: Pollinator Powerhouses and Keystone Plant Species. Register

6 pm April 17th St. Louis County Library event at Jamestown Bluff Branch, Florissant: Make It, Take It- Plant Pot. Register

For Ages 3-6 years. 10 am April 19th St. Louis County Library event at Grand Glaize Branch, Manchester: Preschool STEAM- Plants and Flowers. Dress for the mess. Register

4 pm April 21st St. Louis County Library event at Jamestown Bluffs Branch, Florissant: Pollinator Party. Register

6 pm April 23rd St. Louis County Library event at Rock Road Branch, St. Ann:
Spring Seed Bombs. Register

6 pm April 24th Missouri Conservation Department Virtual class: Learning to Hunt- Mushrooms. Register

9 am to 4 pm April 25th St. Louis Herb Society Herb Sale at Missouri Botanical Garden parking lot.

8 am to 4 pm April 26th Missouri Wildflowers Nursery selling at Kirkwood Farmers Market. Order online for pick up at Market or purchase from what they bring that day.

10 am April 26th St. Louis County Library event at Daniel Boone Branch, Ellisville: Seed & Plant Swap

April 26th-27th Project Pollinator Native Plant Sale at Sachs Butterfly House, Chesterfield

Noon to 3 pm April 26th Heartlands Conservancy Native Plant Sale & Order Pick Up at Clinton Hills Conservation Park Pavilion, Swansea, Illinois. Online Pre-Ordering March 20th to April 9th.

10 am to 4 pm April 26th Missouri River Bird Observatory Birds, Bees & Blooms Festival at Arrow Rock, Missouri. This is a 2 1/2 hour drive from St. Louis and a 1 1/2 hour drive from Kansas City.

2 pm April 30th Partners for Native Landscaping and St. Louis County Library Zoom Class: Oh, Deer – Dealing with Unwanted Guests in Your Landscape. Register

6 pm May 1st St. Louis Public Library event at Schlafly Library: Plant Predators- An Introduction to Carnivorous Plants with Carnivorous Plant Society. Register

19 Seats remaining. 10 am May 3rd St. Louis Public Library event at Central Library: Tomatoes 101. Register

1 pm May 3rd St. Louis Public Library event at Buder Library: Meet the Pack: Animals of the Endangered Wolf Center

1 pm May 3rd St. Louis Public Library class at Central Library: Growing Herbs in Containers.

May 4th-5th Baker Creek Spring Planting Festival in Mansfield, Wright County, MO, about a 3 1/2 hour drive from St. Louis or Kansas City

May 8th-9th Jeanette Goldfarb Plant Growth Facility Spring Plant Sale at Washington University

3 pm May 8th St. Louis Public Library event at Baden Library: Mocktails and Garden Party. enjoy refreshing mocktails while crafting your own potted plant to take home.

9 am May 10th Seed St. Louis Summer Seedling & Sweet Potato Slip Sale at Carriage House, 3815 Bell

May 10th Flora Conservancy Plant Sale @ Greenhouse, Forest Park – no link yet

11 am May 10th St. Charles City-County Library Plant & Seed Swap at Spencer Road Branch. Register, registration opens April 12th

9 am to 5 pm May 11th Greater St. Louis Iris Society Show at Missouri Botanical Garden. Included with Garden Admission Fee.

5 pm May 15th St. Louis Public Library event at Walnut Park Library: Wild Hearts- Understanding Animal Behavior in the Wild with St. Louis Zoo

2 pm May 21st Partners for Native Landscaping and St. Louis County Library Zoom Class: Cultivating Native Seeds in the Landscape. Register

8 am to 4 pm May 24th Missouri Wildflowers Nursery selling at Kirkwood Farmers Market. Order online for pick up at Market or purchase from what they bring that day.

May 31st Urban Gardening Symposium at Brightside St. Louis Demonstration Garden. $10. Register

8 am to 4 pm May 31st Missouri Wildflowers Nursery selling at Kirkwood Farmers Market. Order online for pick up at Market or purchase from what they bring that day.

1 pm June 14th St. Louis Public Library class at Central Library: Herbs in the Civil War!

June 21-22 St. Louis Water Garden Society Pond-A-Rama tour. Tickets

9 am August 16th Seed St. Louis Fall Seedling Sale at Carriage House, 3815 Bell

2 pm September 17th Partners for Native Landscaping and St. Louis County Library Zoom Class: Missouri Native Trees and Shrubs for Urban Landscapes. Register

10 am to 2 pm September 22nd Bring Conservation Home Expo at Tower Grove Park. Missouri Wildflower Nursery and other vendors will be selling but you can also order plants for pick up at the event.

2 pm October 1st Partners for Native Landscaping and St. Louis County Library Zoom Class: St. Louis Native Plants in a Changing Climate. Register

October 5th-6th Baker Creek Fall Harvest Festival in Mansfield, Wright County, MO, about a 3 1/2 hour drive from St. Louis or Kansas City

2 pm October 15th Partners for Native Landscaping and St. Louis County Library Zoom Class: Native Gardening Maintenance Tips, Tricks and Hacks. Register

9 am October 18th Seed St. Louis Garlic Sale at Carriage House, 3815 Bell

Join us Sundays on Bluesky for #GardenSunday.

This Week in Gardening & Nature

One purple and one green kohlrabi plant harvested on white kitchen counter

Plant of the Week: Kohlrabi

Plan your garden with Seed St. Louis 2025 Planting Calendar.
-> Start Indoors This Week: Basil, Peppers
-> Transplant This Week: Bok Choy, Broccoli, Cabbage, Chard, Collards, Kale, Kohlrabi, Lettuce, Onions, Leeks
-> Sow Outdoors This Week: Bok Choy, Chard, Collards, Kale, Kohlrabi, Lettuce, Peas

When to Plant in Illinois (University of Illinois Extension)

USDA Plant Hardiness Zone Map

If you are just looking for St. Louis Area Plant and Seed Swaps and Sales, they are here. Added this week: Webster Groves Women’s Garden Association Plant Sale

Find a Native Plant/Seed vendor in Missouri, Illinois, Arkansas, Kansas,… (Grow Native)

St. Louis Master Gardeners Horticulture Answer Service: Monday through Thursday from 9 am. to 2:30 pm

April 25th Deadline to Register community cleaning or greening Blitz Projects with Brightside St. Louis and get free Blitz Blooms annuals to plant in public spaces.

Illinois School Teachers- March 2025 Application process begins for 2026 Illinois Schoolyard Habitat Action Grant Program

Good Reads/Views/Listens —

Gardening By Month: March Tips, Tasks, & Problems (Missouri Botanical Garden)

February Native Plant News (Wild Ones)

As bird flu spreads, feds might undercut states by firing scientists, removing data. The avian influenza virus has killed millions of wild birds and led to emergency culling of commercial flocks. (Stateline)

St. Louis County’s new tick is a ‘serious threat,’ officials say. The sesame seed-sized arachnid causes serious problems in domestic animals and livestock, officials said. (KSDK TV)

Shaw Nature Reserve Propagation Guide

Free Native Garden Designs @ Wild Ones. There’s one specific to St. Louis, one for Chicago, one for Denver, …

Native plant gardening in a pot. Missouri Botanical Garden has container designs for sun and shade.

Illinois Native Plants for the Home Landscape

2023 Plants of Merit – Annuals, Bulbs, Edibles, Perennials, Shrubs, Trees, Vines (Missouri Botanical Garden)

2023 Plants of Demerit – Bamboo, Big Leaf Hydrangea, Blueberry, Burning Bush, Chameleon Plant, Lavender, Pin Oak, Wintercreeper (Missouri Botanical Garden)

Gardening and Nature Events —

6-8 pm Tuesdays, March 11 to April 15, Heartlands Conservancy free six-week course in Belleville, Illinois: Tree Stewards Training. Classes in Tree Biology & Benefits, Tree Identification, Insects & Diseases, Pruning & Maintenance, Forest Ecology, Urban Tree Community Advocacy. Register

6:30 pm Monday, March 3rd, Missouri River Bird Observatory webinar: Effects of Oil Spills on Birds presented by Ben West, USGS Columbia Environmental Research Center. Register

1:30 pm Tuesday, March 4th, University of Illinois Extension webinar: Root Awakening- Spring Tree Tips. Register

8 am to 4 pm Wednesday, March 5th, University of Illinois Extension’s Gateway Green Conference at Collinsville, Illinois: Building Sustainable Landscapes, Conservation Stewardship, Tree Care. $85

9 am Wednesday, March 5th, Bellefontaine Cemetery & Arboretum event: Spring Bulb Walk with horticulturist. $5. Register

10 am Wednesday, March 5th, Bellefontaine Cemetery & Arboretum event: History & Horticulture Trolley Tour with Master Guide. $5. Register

12:30 pm Wednesday, March 5th, Missouri Conservation Department Virtual Class: Rain Gardens and Native Plants. Register

2 pm Wednesday, March 5th, St. Louis County Library Virtual Workshop: Native Garden Design Panel Discussion. Register

Friday-Saturday, March 7th-8th, Midwestern Herb & Garden Show in Mount Vernon, Illinois. Plant & Merch Sales, Speakers/Workshops. 1 1/2 hour from St. Louis.

3:30 pm Friday, March 7th, Missouri Conservation Department virtual class: Native Plants, Wild for Seeds. Register

Get in line early, bring a box lid for your plants. 9 am Saturday, March 8th, Seed St. Louis March Plant Sale at Carriage House, 3815 Bell: Asparagus crowns, Mushroom spawn, Onion sets, seed Potatoes, Strawberry bare roots, Water Chestnuts. See link for planting instructions.

Volunteers Wanted. 9 am Saturday, March 8th, Great Rivers Greenway North Riverfront Park Mulching Day. Register

Noon to 2 pm Saturday, March 8th, Piasa Palisades Sierra Club Seed Swap at Hayner Public Library, Alton, Illinois. Bring your quality seeds, seedlings, cuttings, and bulbs to swap with fellow farmers and gardeners. Nothing to swap, not a problem.

8 Seats remaining. 11 am Saturday, March 8th, St. Charles City-County Library Plant & Seed Swap at Spencer Road Branch. Register

14 Tickets remaining. 6 pm March 8th Missouri Conservation Department event at Powder Valley Conservation Nature Center, Kirkwood: Owl Prowl. Register

6:30 pm March 10th Missouri River Bird Observatory webinar: Plastics and Public Health: the unsettling latest in medical research presented by Megan Wolff, Beyond Plastics. Register

1- 4 pm March 11th Bellefontaine Cemetery & Arboretum horticulture class: Formal and Natural Garden Design Class. Register

4 pm March 11th Missouri Conservation Department online class: Early Butterflies. Register

9 am March 12th Bellefontaine Cemetery & Arboretum event: Spring Bulb Walk with horticulturist. $5. Register

4 pm March 12th Missouri Prairie Foundation webinar: Grassland Grouse- Beauty, Biology, & Conservation. Join acclaimed nature photographer Noppadol Paothong for an unforgettable journey through 25 years of photographing grassland grouse. Register

5-7 pm March 12th Seed St. Louis Young Friends Happy Hour at 2nd Shift Brewing, The Hill

6 pm March 12th St. Louis Public Library event at Carpenter Library: Welcoming Native Species into Your Garden. Registration opens 10 am February 12th.

5 pm March 12th Seed St. Louis Young Friends Spring Happy Hour at 2nd Shift Brewing, The Hill

Noon March 13th Missouri Conservation Department virtual class: Organic Gardening. Register

6 pm March 13th Seed St. Louis, Table to Garden, Willoughby Farm and Good Dirt Composting Collectiveclass at Collinsville, Illinois: Food Too Good To Waste Series- Composting 101. $15. Register

7 pm March 14th Heartlands Conservancy Full Moon Hike at Bohm Woods State Nature Preserve in Edwardsville, Illinois. Register

10 am to 2 pm March 15th Rustic Roots Sanctuary 5th Annual Seed Swap in Spanish Lake. Register

2 pm March 15th St. Louis Public Library event at Divoll Library: Seed Swap

1 pm March 16th Willoughby Farm event in Collinsville, Illinois: Sustainability Series- Urban Gardening. $15. Register