Plant of the Week: Leeks. Gardeners who planted in Spring are harvesting now thru July. When you see $7.89 a pound leeks at the grocery in December, remind yourself to get some seeds and start leeks indoors in January.

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

Bellefontaine Cemetery & Arboretum has reopened and events resumed after clean up from the May 16th St. Louis Tornado and storms. You can support this historic and beautiful place by attending the September 13th Beer Barons Tour fundraiser. Tickets $35

Plan your garden with  Seed St. Louis 2025 Planting Calendar. Last week in June, start seeds indoors for August planting of Broccoli, Cabbage, Cauliflower, Chard, Collards, Kale, Kohlrabi

Seed St. Louis Raised Bed Plant Spacing Chart

If you are just looking for St. Louis Area Plant and Seed Swaps and Sales, they are here. Additions this week: preview link for Brightside St. Louis Tulip & Daffodil Sale, Missouri Conservation Department Annual Tree Seedling Sale

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

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 for 2026 Illinois Schoolyard Habitat Action Grant Program

Good Reads/Views/Listens —

Highway enbankment becomes hub for city gardening, future growth in St. Louis. A forgotten stretch of highway in St. Louis is now a living classroom where native plants, bees and big ideas are growing side by side. (KSDK)

Managing pests in the garden (University of Illinois Extension)

What is a Pollinator Lawn? (Wild Ones)

Are your flowers Pretty or Poison? Hemlock or Queen Anne’s Lace? (University of Missouri Extension)

Climate change cuts global crop yields, even when farmers adapt (University of Illinois Extension)

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

June Brightside St. Louis Outdoor Clean Up & Beautification Volunteer Opportunities.

Volunteers Wanted. STL Neighborhood Foresters Neighborhood Tree Care Blitzes
June 28th Bevo Neighborhoood. Register
July 5th Hyde Park Neighborhood. Register
July 6th Forest Park Southeast. Register
July 12th Tower Grove East Neighborhood. Register
July 19th Old North Neighborhood. Register
July 20th Shaw Neighborhood. Register
July 27th St. Louis Place. Register

Now thru June 30th St. Louis Public Library art exhibit at Schlafly Library: Luisa Otero-Prada’s Wand of Heaven filled with vibrant flora and people. You may know Otero-Prada from her art in work in North City.

June 30th Application Deadline. Carondelet neighborhood group seeks artist to paint mural in community garden. The selected artist will receive $2,000 to complete the project and will produce the mural on a large shipping container in the garden.

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

Register for 15 Week (August 10th to December 23rd) University of Missouri Extension Course: Missouri Master Gardener Online Core Training. $200. Register

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 to enter Missouri Snapshots Photo Contest sponsored by Missouri State Parks and  Association of Missouri Electric Cooperatives’s Rural Missouri magazine. Catergories: 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, June 22nd, Day 2 St. Louis Water Garden Society Pond-A-Rama tour. Tickets Tickets $25

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

5:30 pm Monday, June 23rd, Missouri Conservation Department Virtual Class: Wildlife Identification. Register

For Kids ages 3-9 years. 2 pm Tuesday, 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

10 am Wednesday, June 25th, Bellefontaine Cemetery & Arborteum History & Horticulture Trolley Tour. $5 Donation suggested. Register

4 pm Wednesday, June 25th, Grow Native! webinar: Master Class- Native Perennials for Planting on Slopes. Free to Missouri Prairie Foundation members and Grow Native! professional members. $15 for non-members. Register

For Kids ages 7-14 years. 2 pm Thursday, June 26th, St. Louis County Public Library event at Oak Bend Branch: Summer Science- Plants. Register

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

5:30 pm Thursday, June 26th, Bellefontaine Cemetery & Arboretum History & Horticulture Sunset Stroll. $5 Donation suggested. Register

6 pm Thursday, June 26th, Seed St. Louis class at Bell Garden, 3871 Bell Ave: Intro to Growing Herbs. Register

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.

For Kids ages 5-8 years. 9 am Friday, June 27th, Missouri Conservation Department event at Powder Valley Conservation Nature Center, Kirkwood: Guided Hike & Nature Art. Register 

For Kids ages 9 years and older. Noon Friday, June 27th, Missouri Conservation Department event at Powder Valley Conservation Nature Center, Kirkwood: Guided Hike & Nature Art. Register 

Noon Friday, June 27th, Missouri Conservation Department Virtual Class: Native Plants- Gardening For Wildlife. Register

3-5 pm Friday, June 27th, A Red Circle event at North County Agricultural Education Center, North St. Louis County: Good Food Friday, North County residents are invited to stop by for a Free fresh bag of produce 

7 pm Friday, June 27th, St. Louis Wildlife Project event at Powder Valley Conservation Nature Center, Kirkwood: Five Year Findings. Register

Volunteers Wanted. 8 am Saturday, June 28th, Heartlands Conservancy event at Monroe County, Illinois: Trout Hollow Stewardship Day. Register

Saturday, June 28th, Family Fun Day at O’Fallon Park. 9 am to Noon Park Clean Up. 10 am to 2 pm Interactive Educational Activities

9 am to 5 pm Saturday, June 28th, Kimmswick Visitor Center 25th Annual Daylily Sale. 35 Minute drive from St. Louis. Go early for best selection.

10 am Saturday, June 28th, Riverbend Flower Farm workshop at Theodora Farms, Godfrey, Illinois: Floral Workshop. $30 Register

10 am Saturday, June 28th, Missouri Conservation Department Zoom Class: Companion Planting with Natives. Register

11 am Saturday, 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

11:30 am to 4:30 pm Saturday, June 28th, Missouri Botanical Garden event at Sachs Museum: Sniff ‘n Learn- Perfumers Spotlight. Garden Admission Free to St. Louis City and St. Louis County residents on Saturday and Wednesday mornings, otherwise Admission Fee applies.

10 am to 4 pm Sunday, June 29th, Grow Native! 25th Anniversary Event in Brentwood: Native Home Garden Tour. Register

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

Family Fun. 6 pm July 1st St. Louis County Public Library event at Grant’s View Branch: Garden Party. Register

4 pm July 2nd Grow Native! Webinar: Growing Edible Plants for Food and Wildlife presented by Dr. Nadia Navarrete-Tindall, Lincoln University. Register

5:30 pm July 3rd Bellefontaine Cemetery & Arboretum History & Horticulture Sunset Stroll. $5 Donation suggested. Register

3-5 pm Friday, July 4th, A Red Circle event at North County Agricultural Education Center, North St. Louis County: Good Food Friday, North County residents are invited to stop by for a Free fresh bag of produce 

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

1-4 pm July 8th Bellefontaine Cemetery & Arboretum Horticulture Class: Floriography, the Language of Flowers.  Learn about Victorian Era floriography + cut flower arrangement workshop. All materials/supplies provided. Suggested donation of $15. Register

4:30 pm July 8th The Royale & Missouri Botanical Garden present Show Me Your Garden Cocktail Competition 2025. Purchase Tickets $54.70 (including fees & taxes).

9 am July 9th Bellefontaine Cemetery & Arboretum tour: Summer Wildflower Walk with horticulturist. Suggested $5 donation. Register

10 am July 9th Bellefontaine Cemetery & Arborteum History & Horticulture Trolley Tour. $5 Donation suggested. 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

6:30 pm July 9th St. Louis County Library Virtual program: Houseplant Hospital. Register

6 pm July 10th Seed St. Louis class at Carriage House, 3815 Bell Ave: Raised Bed Building Workshop. Free to attend. BUT Make & Take (your own delivery) Beds are $45 for 4′ x 4′ raised bed and $60 for 4′ x 8′ raised bed. –> You also have to agree to your image being used for promotion purposes. <– Register

Volunteers Wanted. 9 am Saturday, July 12th, Piasa Palisades Sierra Club event in Alton, Illinois: Wadlow Restoration Work Day. The former site of a municipal gold course is being restored to native plants. Register

10 am July 12th Bellefontaine Cemetery & Arborteum History & Horticulture Trolley Tour. $5 Donation suggested. Register

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

11 am to 2 pm July 12th A Red Circle event at North County Community Nexus: Ice Cream + Art in the Garden. Family Ticket $7.18 which includes $2.18 Card Fee. Register

2 pm July 12th Kemper Art Museum event: Curatorial Tour of Seeds (Containers of a World to Come). Learn about the work of 10 contemporary artists from a range of geographical and cultural contexts whose practices explore plant–human–land relations. Register

5:30 pm July 12th Bellefontaine Cemetery & Arboretum History & Horticulture Sunset Stroll. $5 Donation suggested. Register

For Kids ages 3-9 years. 2 pm July 16th St. Louis County Public Library event at Lewis & Clark Branch: Swinging Through the Rainforest. Register

10:30 am July 18th St. Louis County Library class at Daniel Boone Branch, Ellisville: Edible Landscaping presented by Seed St. Louis. Register

6-9 pm July 18th Urban Harvest STL fundraiser at .Zack, Grand Center Arts District: Harvest Dinner featuring Chef David Kirkland. Tickets $81.88 and Table of 8 is $600.

10 am to 4 pm July 18th Missouri Boatnical Garden event: Fungi Fair- A Mushroom Event Hosted by the Missouri Mycological Society

6 pm July 22nd St. Louis County Public Library Virtual program: Grant Opportunities for Your Garden – Rainscaping 101 presented by the Missouri Botanical Garden. Register

5:30-7 pm July 24th Seed St. Louis event for youth garden volunteers at Bell Garden: A Midsummer Night’s Drink, Garden Party for School & Youth Garden Volunteers & Teachers. Register

9 am to 2 pm Friday and 8 am to 2 pm Saturday, July 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.

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

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

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

End of July: Ordering begins for Brightside St. Louis Blooming Soon Tulip & Daffodil Bulb Sale. Pick Up in October.  Sneak peak here.

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

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

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

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

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.

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

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.

11 am August 23rd 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

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

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.

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

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

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 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.

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

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

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

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.