This Week in Gardening & Nature

Plant of the Week: Chamomile– pretty, pollinator friendly, a sweet apple scent, makes a great tea.

How you can support St. Louis’ tornado relief efforts — and get help if you need it (St. Louis Public Radio)

For those with a Bluesky account, here’s an excellent thread on St. Louis Tornado Mutual Aid by Brooke Foster

Seed St. Louis Raised Bed Plant Spacing Chart

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

If you are just looking for St. Louis Area Plant and Seed Swaps and Sales, they are here. Added this week: Plant Meet Up #6 at Art Bar, Angard Arts Hotel; Highland IL 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

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 —

Should I Prune Tomato Plants? Are your tomato plants putting out side shoots? Learn whether you need to prune tomato plants to keep them productive. (Mother Earth News)

Major Environmental Agencies Facing Budget Cuts in FY2026 (Wild Ones)

Vegetable plot dig unearths crop of vintage bottles (BBC)

Wichita gardeners urged to grow and give to fight hunger as Plant a Row marks 25 years (Kansas State University Extension Service)

Champion Trees: A Celebration of Giants (Wild Ones)

Tribes fear consequences for Great Lakes as Trump administration fast-tracks Line 5 pipeline. Aging infrastructure poses a risk to the drinking water of tens of millions, activists and Indigenous communities say. (Gift Article, Chicago Tribune)

Royal Horticultural Society ambassador for communities quits, saying he was made to feel a ‘nuisance’ (The Guardian)

‘Wildlife are in crisis’: Arkansas expert opines on proposed change to Endangered Species Act. Arkansas Game and Fish Commission vows to do what’s best for the state’s wildlife and habitats (Arkansas Advocate)

Trump administration wants to remove protections for threatened Kansas bird (Kansas Reflector)

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

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.

Now thru June 20th at Soulard Art Gallery: Art of Nature Exhibit

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

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

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

5 pm Tuesday, May 20th, Wild Ones webinar for native plant newcomers: Native Plants Planted Right: A Practical Guide for Beginners on YouTube

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

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

2 pm Wednesday, 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 Wednesday, May 21st, Missouri Conservation Department Virtual event: Citizen Science- Butterfly Surveys. Register

4 pm Wednesday, 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 Thursday, 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.

Saturday, May 24th Missouri Conservation Department event at Creve Coeur Park-Lake: Kayaking & Carp. Must be at least 14 years of age and know how to swim. All equipment provided. Learn about invasive carp removal and paddling equipment, paddling safety, and how to paddle a kayak on a lake. Register for 10 am program. Register for 1 pm program.

3 pm Saturday, May 24th, St. Louis County event at Clark Branch: Seed & Plant Swap. Register

9 am to 5 pm Saturday-Sunday, 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.

Volunteers Wanted. 9 am Sunday, May 24th, Heartlands Conservancy event in Edwardsville IL: Knoll Family Wildlife Sanctuary Stewardship Day. Help protect and restore one of Illinois’ rarest habitats, this sand prairie and sand savanna site. Register

2 pm Sunday, 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

Ages 9 to Adult. May 28th Missouri Conservation Department workshop at Powder Valley Conservation Nature Center, Kirkwood: Introduction to Archery. Register for Noon class. Register for 3:30 pm class.

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

6 pm May 29th St. Louis County Library event at Sachs Branch, Chesterfield: Reading Garden Book Walk. Get book recommendations, snacks, and library themed gifts and prizes. Register

6 pm May 29th Seed St. Louis class at Bell Community Garden: Garden Design 101. Register

6 pm May 29th St. Louis County Library event at Sachs Branch, Chesterfield: Reading Garden Book Walk. Get book recommendations, snacks, and library themed gifts and prizes. Register

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

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

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

11 am to 7 pm May 31st Missouri State Parks Native Plants Weekend at Washington State Park, DeSoto, Jefferson County, Missouri

3 pm June 1st Plant Meet Up #6 at Art Bar, Angard Arts Hotel . Bring plants to trade or show off. Register

2 pm June 3rd St. Louis County Library Virtual Class: Food Forests – Building a Food-Producing Ecosystem. Register

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

2 pm June 4th St. Louis County Library class at Parkview Branch: Four Season Gardening presented by Seed St. Louis. Register

2 pm June 4th St. Louis City Public Library event at Barr Library: Wild in the City- Animals That Call St. Louis Home presented by Missouri Conservation Department.

4 pm June 4th Missouri Prairie Foundation webinar: Not Just for Ducks … Reframing Wetland Conservation. 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

For ages 6-12 years. 10:30 am June 5th St. Louis City Public Library event at Baden Library: Serengeti Steve’s Reptile Experience

6 pm June 5th Seed St. Louis class at Bell Community Garden: Garden Tools 101. Register

Family friendly. 10 Tickets remaining. 6 pm June 5th Missouri Conservation Department workshop at Forest Park Fish Hatchery: Fishing Lesson 1- Equipment, Casting, & Proper Fish Handling. Register

1 pm June 6th Missouri Conservation Department Virtual Class: Nature Printmaking Tree Rings. Register

2 pm June 6th St. Louis County Library class at Lewis & Clark Branch: Four Season Gardening presented by Seed St. Louis. Register

8 am to Noon June 7th Highland Garden Club Plant Sale at Korte Rec Center, Highland, Illinois

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.

8 pm June 7th St. Louis Astronomical Society event at Tower Grove Park: Stargazing

10 am to 5 pm June 7th-8th Lafayette Square Spring House & Garden Tour. Tickets $40 + fee

For ages 13-17 years. 10 am to 2 pm June 7th St. Louis Public Library event at Carondelet Library: Teen Clean Up Day in Carondelet. Pick up trash in the neighborhood, clean garden beds, plant flowers. Tools, water, lunch provided. Register

For ages 13-17 years. 10 am to 2 pm June 14th St. Louis Public Library event at Kingshighway Library: Teen Clean Up Day. Pick up trash in the neighborhood, clean garden beds, plant flowers. Tools, water, lunch provided. Register

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

11 am June 14th Waste Connections Sustainability Campus class at Maryland Heights: Open Program Day- Bees, Pollinators, Native Plants

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

1 pm June 14th St. Louis County Library event at Thornhill Branch: Plant Swap. Register

10 am June 16th St. Louis County Library event at Grant’s View Branch: Edible Landscaping presented by Seed St. Louis. Register

6 pm June 17th St. Louis County Library event at Jamestown Bluffs Branch, Florissant: Harvesting and Preserving Herbs presented by St. Louis Herb Society. Register

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

2 pm June 23rd St. Louis County Library class at Cliff Cave Branch: Four Seasons Gardening presented by Seed St. Louis. Register

For Kids ages 3-9 years. 2 pm June 24th St. Louis County Library event at Sachs Branch, Chesterfield: Super Seeds presented by Missouri Botanical Garden. Explore how seeds travel and take home seeds for your next garden. Register

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 26th St. Louis Public Library event at Carpenter Library: Birds in Your Backyard, Birds in Your City: An Ornithological Summer Series- Session 2: Habitat Helpers: Won’t You Be My NeighBIRD? presented by Missouri Conservation Department. Register

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 June 28th St. Louis Public Library event at Carpenter Library: Birds in Your Backyard, Birds in Your City: An Ornithological Summer Series- Session 1: Birding 101: Missouri’s KAKAWphony of Species presented by Missouri Conservation Department. Register

July 1st St. Louis Count Library Virtual Class: Container Gardening – Fruit, Vegetables and Microgreens presented by Seed St. Louis. Register

For Kids ages 6-12 years. 2 pm July 5th St. Louis County Library event at Daniel Boone Branch, Ellisville: Wild About Watermelon. Register

For Kids. 1 pm July 8th St. Louis Public Library event at Carondelet Library: Swinging Through the Rainforest presented by Missouri Botanical Garden. Discover which animals and plants live in the layers of the rainforest. Take home a rainforest plant to start your own jungle. Register

For Kids ages 5-12 years. 3:30 pm July 9th St. Louis Public Library event at Baden Library: Bees and Butterflies Stories and Crafts. Register

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

2 pm July 25th St. Louis City Public Library class at Central Library: Food Preservation 101- Canning presented by University of Missouri Extension

1 pm July 26th St. Louis City Public Library class at Central Library: Herbs Around the Mediterranean

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.

1 pm August 2nd St. Louis City Public Library class at Central Library: Harvesting and Preserving Herbs

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

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.

11 am July 26th St. Louis Public Library event at Tower Grove Park: Birds in Your Backyard, Birds in Your City: An Ornithological Summer Series- Session 3: Bird Walk with Missouri Conservation Department. 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.

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.

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.

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.

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

Bi-color Rembrandt Tulip after rain, raspberry and white

Plant of the Week: Tulips

April 30th Deadline for Powder Valley Urban Nature Photo Contest

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

Hey, Missouri Birders. Enter the Missouri Birding Challenge

Seed St. Louis Raised Bed Plant Spacing Chart

Plan your garden with Seed St. Louis 2025 Planting Calendar.
-> Start Indoors This Week: Basil, Eggplant, Peppers, Tomatillo, Tomato
-> Transplant This Week: Perennials, Trees, Bok Choy, Broccoli, Cabbage, Chard, Collards, Kale, Lettuce
-> Sow Outdoors This Week: Beans, Beets, Bok Choy, Carrots, Chard, Collards, Kale, Lettuce, Parsley, Peas, Radish, 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: Tower Grove East Community Garden Annual Plant Sale, Lincoln County Mo Master Gardener 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 —

Every yard makes a difference. Native-plant champion Doug Tallamy’s got a new book explaining how (Associated Press)

Millions of seedlings and cases of hot sauce: Behind the scenes at a Missouri state tree nursery (St. Louis Public Radio)

I don’t want to die with a freezer full of seeds. Biodiversity and preservation need rethinking. Hurricane Helene proved a hard truth: a freezer of seeds is the literal version of putting all your eggs in one basket (The Guardian)

April Issue of Missouri Conservationist

Time-Warped Gardens (Wild Ones)

Trump attack on state climate laws likely doomed, but attempts to yank funds may be next (Iowa Capital Dispatch)

As demand for AI rises, so do power thirsty data centers (Missouri Independent via States Newsroom)

Bill advances to end lifetime food aid ban for Nebraskans who served time for drug felonies (Nebraska Examiner)

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 April Blitz events. Register your neighborhood clean up and/or beautification event and request bags/tools here.

Now thru 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.

Now thru 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

Volunteers Wanted. 9 am Sunday, April 13th ,STL Urban Foresters event: Tower Grove East Neighborhood Tree Care Blitz. Register

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

11 am to 1 pm Sunday, April 13th, City Greens Market Free Annual Spring Patio Party in The Grove: Seed Swap, Chili Cook-Off, Worm Composting Workshop. Register

Monday, April 14th, Deadline to order native plants online from Missouri Wildflowers Nursery for pick up Saturday, April 19th, at Kirkwood Farmer’s Market

5:30-8 pm Tuesday, April 15th, University City School District event at University City High School: Film Screening & Director Conversation- Farming While Black with Leah Penniman. Includes light supper. Register

9:45 am Wednesday, April 16th, Missouri Sierra Club Lobby Day at Missouri State Capitol. Register

10 am Wednesday, April 16th, Bellefontaine Cemetery & Arboretum event: History & Horticulture Trolley Tour with Master Guide: $5. Register

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

Noon Thursday, April 17th, Homegrown National Park Earth Day webinar: From Wasteland to Wonder presented by treecologist Basil Camu. Easy ways to help heal the earth in the Sub/Urban Landscape. Register

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

6 pm Thursday, 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

10 am Friday, April 18th, Bellefontaine Cemetery & Arboretum event: Springtime History & Horticulture Walking Tour with Master Guide. Register

11 am Friday, April 18th, St. Louis Public Library event at Machacek Library: Book Discussion- Peter Wohlleben’s “The Hidden Life of Trees.”

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

9 am Saturday, April 19th, Heartlands Conservancy event at White Rock Nature Preserve, Valmeyer, Illinois: Spring Wildflower Walk. Register

9-11 am April 19th International Institute of St. Louis event at Tower Grove Park: Race for Refugees. Register

10 am & 1 pm Saturday, April 19th, Bellefontaine Cemetery & Arboretum event: History & Horticulture Trolley Tours with Master Guide. $5. 10 am Registration and 1 pm Registration.

1:30 pm Saturday, April 19th, Missouri Conservation Department Virtual Class: Mushroom Hunting. Register

Family friendly. 2-5 pm Saturday, April 19th, Tower Grove Park event: Tree Fest. Music, reading of The Lorax, crafts

2 pm Saturday, April 19th, Camping 101 with River City Outdoors and Missouri Conservation Department. Register. River City Outdoors provides a Free Gear Lending Library for St. Louis City residents.

3 pm Saturday, April 19th, Missouri Prairie Foundation’s Brews and Blooms at Civil Life Brewing.

April 21st Deadline to order native plants online from Missouri Wildflowers Nursery for pick up Saturday, April 26th, at Kirkwood Farmer’s Market

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

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.

Volunteers Wanted: 10 am April 22nd Forest ReLeaf event: Pop Up Potting at Scott Joplin House, help pot up some baby trees. Register

17 Tickets remaining. 1 pm April 22nd Missouri Conservation Department event at Emmenegger Nature Park, Kirkwood: Earth Day Hike & Nature Immersion. Two miles on Bluff Creek Trail. Register

4 pm April 23rd Grow Native! webinar: Wetlands for Native Bees. Register

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

20 Tickets remaining. 1 pm April 24th Experience Art in Nature, Tour Saint Louis Art Museum’s Sculpture Garden with Simon Kelly. Event free but Register

April 24th, 25th, 26th Southwest Illinois College Horticulture Club’s Annual Plant Sale at Belleville Campus Greenhouses (waiting on link)

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.

10:30 am April 25th St. Louis Public Library event at Central Library: EcoTones Ensemble Concert, Cross-Pollinating Music & Nature

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.

April 25th & 26th Webster Groves Garden Club Plant Sale at Webster Groves Recreation Complex

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

7 pm April 25th Missouri Conservation Department event at Powder Valley Nature Conservation Center, Kirkwood: Multimedia Concert- Flute Journey by Katie Dancer. Register

8 am to 1 pm April 26th Lincoln County Mo Master Gardener Plant Sale @ University of Missouri Extension, Troy: Native Perennials, Perennials, Annuals, Vegetables, Herbs, Bulbs, Unique Garden Accessories. Cash Only.

8 am to 4 pm April 26th 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 1 pm April 26th Seven Pines Garden Club Plant Sale at Maryland Heights: annuals, perennials, vegetables

9 am until sold out April 26th Olivette in Bloom Native Plant Sale at Five Oaks on Warson

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

Volunteers Wanted. 10 am April 26th STL Urban Foresters event: Bevo Neighborhood Tree Care Blitz. Register

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 thru 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.

9 am to 4 pm April 26th-27th Three Rivers Community Farm Plant Sale in Elsah, Illinois: native perennials, herbs, annual bedding plants, cutting flowers, veggie seedlings

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

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

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

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

May 2nd-3rd Shaw Nature Reserve Spring Wildflower Market

9 am to 2 pm 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 May 3rd-4th Three Rivers Community Farm Plant Sale in Elsah, Illinois: native perennials, herbs, annual bedding plants, cutting flowers, veggie seedlings

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

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.

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

1-4 pm May 3rd Missouri Prairie Foundation Field Trip at Hillsboro, Jefferson County MO: Valley View Glades Natural Area Hike. Register

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

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

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

7 Seats remaining. 6:30 pm May 5th St. Louis Public Library cooking class at Cabanne Library: Make Your Own Fresh Spring Rolls. Register

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.

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

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

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

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 St. Louis County Library event at Meramec Valley Branch, Fenton: Seed & Plant Swap. 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.

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

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

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.

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.

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

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

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!

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

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.

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.

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

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.

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.