Plant of the Week: Alliums

Sow Outdoors This Week: Basil, Beans, Corn, Cucumber, Melons, Okra, Summer Squash, Tomatillo, Tomato, Winter Squash
Transplant This Week: Perennials + Basil, Eggplant, Melons, Peppers, Summer Squash, Tomatillo, Tomato
Plan your garden with NEW 2024 Seed St. Louis Planting Calendar

If you are only looking for St. Louis Area (Missouri and Illinois) Plant Sales & Swaps, here’s a page for them.

Want to buy food in St. Louis Area grown with environmentally responsible and ethical practices? Check out Missouri Coalition for the Environment Known & Grown Farm Directory

Grow Native Professional Certification Program

August 31st Deadline to Enter Missouri Conservation Department’s Busch Conservation Area (St. Charles Mo) Wildlife Photography Contest. Submit photos of native Mo wildlife, trees, plants at Busch Conservation Area or Weldon Spring Conservation Area.

September 1st Deadline to Enter Missouri Department of Natural Resources Photography Contest. Submit photos of Natural Resources, Unique Places (state parks, historic sites), People Enjoying Outdoors

Good Reads —

Why you should let your grass grow. See what happens when you stop mowing your lawn. Gifted article (Washington Post)

May Gardening Tips from University of Missouri Extension

Gardening by Month: May Tips, Tasks, Problems from Missouri Botanical Garden

Care of Spring bulbs after flowering (University of Missouri Extension)

Container Gardening Tips
Native Plants: Grow Native!
Veggies: Missouri Botanical Garden
5 Tips For Successfully Growing Plants In Containers: P. Allen Smith

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 —

Volunteers Wanted. Check out upcoming Brightside St. Louis Neighborhood Clean Up & Beatification events.

11:30 am to 4:30 pm thru March 31st, 2025 Missouri Botanical Garden multimedia exhibit at Sachs Museum- Kernels of Culture: Maize Around the World. Garden Admission is Free to St. Louis City and St. Louis County residents on Wednesday and Saturday mornings.

10 am every Monday St. Louis Public Library Outdoor Storytime in Forest Park, Albrecht Nature Playscape.

10 am Tuesday, May 14th, Bellefontaine Cemetery History & Horticulture Trolley Tour with Master Guide. $5. Register

6:30 pm Tuesday, May 14th, Piasa Palisades Sierra Club May Speaker: Kill Your Lawn for the Birds at Old Bakery Beer, Alton IL. Register

10 am Wednesday, May 15th, Bellefontaine Cemetery Springtime History & Horticulture Tour with Master Guide. Register

6 pm Wednesday, May 15th, Missouri Conservation Department Zoom Class: Outdoor Survival, Bushcraft Skills Series- Knife, Axe, Saw. Register

Noon Thursday, May 16th, The Giving Grove Zoom Class: Spring Orchard Care- Timely Tasks for a Healthy Space. Register

8 am to 1 pm Saturday, May 18th, Wild Ones Illinois Prairie Chapter Native Plant Sale at Carlock, McLean County IL

9 am Saturday, May 18th, Seed St. Louis Summer Seedling & Sweeet Potato Slip Sale Part II: Veggies, Herbs, Annuals $3.50 each: Basil, Egglplant, Helenium Amarum, Jalapenos, Parsley, Sweet Pepper, Tomatillo, Tomatoes. Perennials $6 each: Lavender Munstead, Mountain Mint, Rhubarb, Sea Kale, Sorrel, Wild Arugula. Bring a box lid for your purchases. Get in line early for best selection.

9 am to 4 pm Saturday, May 18th, St. Louis Audubon and St. Louis Wild Ones Native Plant Garden Tour. $20

10 am to 3 pm Saturday, May 18th, Plant America Garden Expo at Weldon Spring Site Interpretive Center, St Charles MO.

10 am Saturday, May 18th, St. Louis County Library Plant Swap @ Meramec Valley Branch- Register

Volunteers Wanted. 11 am to 3 pm Saturday, May 18th, Peace Park Partners and Green City Coalition event: Planting Blitz at Peace Park, Grand @ Strodtman, College Hill Neighborhood. Register

Noon Saturday, May 18th, Missouri Conservation Department Online Class: Blooming Wildflowers. Register

7:30 pm Saturday, May 18th, St. Louis Astronomical Society Stargazing at Tower Grove Park

Ages 8+. 8:30 am Sunday, May 19th, St. Louis Audubon Society Beginner Bird Walk at Tower Grove Park. Register

6:30 pm May 21st KC Area Mid Continent Public Library Zoom Class: Hummingbirds 101. Register

10 am May 22nd Bellefontaine Cemetery Springtime History & Horticultutre Tour with Master Guide. Register

4 pm May 22nd Missouri Prairie Foundation Webinar: EDDMapS Training- Learning How to Document Invasive Plants. Register

6 pm May 22nd Missouri Conservation Department Zoom Class: Naturalist Notes- Hummingbirds. Register

6 Seats remaining. Ages 0-7 years. 10:30 am May 23rd Missouri Conservation Department event at Tower Grove Park: Conservation Kids- You and Me under the Canopy: Get a Life Cycle! Register

3 pm May 23rd Tower Grove Park Nee Kee Nee (East Stream) Tour. Register

6 pm May 23rd Seed St. Louis Zoom Class: Building a Healthy Garden & Orchard Ecosystem. Register

5:30-7:30 pm May 24th support beautiful Bellefontaine Cemetery & Arboretum at Beer Barons Tour: Beer Barons Chapter II – Suppliers to Brewers. Tickets $30. Register

17 Tickets remaining. 7:30 pm May 24th Missouri Conservation Department hiking event at Columbia Bottom Conservation Area: Off the Beaten Trail Evening Nature Walk. Register

10 Tickets remaining. 7:30 pm May 24th Missouri Conservation Department hiking event at Powder Valley Nature Conservation Area: Dusk Hike. Register

8:30 am to 1 pm May 25th Macoupin County IL Master Gardener Plant Sale @ Macoupin County Historical Society, Carlinville IL

9 am to 5 pm May 25th Metropolitan St. Louis African Violet Council Show and Sale at Missouri Botanical Garden. Garden admission free to St. Louis City and County residents on Wednesday and Saturday mornings.

10 am May 25th Bellefontaine Cemetery History & Horticulture Trolley Tour with Master Guide. $5. Register

1-2 pm May 25th New Roots Urban Farm Workshop: Planting Sunflowers 101 with Farmer Twan, St. Louis Place. Register

11 am May 28th Missouri Conservation Department Zoom Class: Snakes of Missouri. Register

6 Tickets remaining. 3 pm May 29th Missouri Conservation Department In-Person Class at Columbia Bottom Conservation Area: Beginning Archery. Register

1 pm May 30th Missouri Conservation Department Zoom Class: Landscaping with Native Plants. Register

1 pm May 31st Missouri Conservation Department hiking event at Powder Valley Conservation Area: Wildflower Walk . Register

9 am to Noon June 1st Brightside St. Louis Urban Gardening Symposium. Native Plant & Design Experts, Workshops, Plant Sale. $10. Register

10 am June 1st St. Louis County Library Plant Swap @ Samuel C. Sachs Branch- Register

June 1st (not confirmed) Lafayette Square Neighborhood Garden Tour & Antique Fair

27 Seats remaining. 2 pm June 1st Missouri Botanical Garden Speaker Series at Central Library: Plants that Changed the Course of History. Register

June 1st Green Living Festival at Missouri Botanical Garden. Garden admission free to St. Louis City and County residents on Wednesday and Saturday mornings.

4 pm June 3rd St. Louis County Library Plant Swap @ Thornhill Branch- Register

3 pm June 5th St. Louis County Library Plant Swap @ Prairie Commons Branch- Register

4 pm June 5th Missouri Prairie Foundation Webinar: Documenting Multiple Types of Pollinators Through Photography. Register

10 am June 8th How to Trellis Tomatoes Class at Heru Farms, Florissant. Register

June 9th Missouri Botanical Garden sponsored Private Garden Tour. Tickets: $50 MoBot Member, $65 Nonmember

5:30-7:30 June 11th Missouri Coalition for the Environment Chat for Change at MCE office, University City. Sounds like a happy hour for environmentalists and conservationists. Register

6:30 pm June 11th Piasa Sierra Club June Speaker at Old Bakery Beer, Alton IL: Our  Wetlands Cooperative in Metroeast presented by Dr. Jenny Mullikin, National Great Rivers Research and Education Center. Register

9 am to 5 pm June 15th Carnivorous Plant Society Show and Sale at Missouri Botanical Garden. Garden admission free to St. Louis City and County residents on Wednesday and Saturday mornings.

10 am June 20th Seed St. Louis and St. Louis County Library Zoom Class: Water for the Garden. Register

6 pm June 20th Willoughby Farm, Table to Garden, Seed St. Louis In Person Composting Series, Collinsville IL: Vermicomposting, aka Worm Composting. $12. Register

9 am to 5 pm June 22nd Kimmswick Visitor Center Daylily Sale, Jefferson County Mo

9 am to to 5 pm June 22-23 St. Louis Water Garden Society Pond-O-Rama Tour

11 am to 1 pm June 23rd Piasa Sierra Club event at La Vista Park, Godfrey, IL: Pollinator Party. Register

July 20st-22nd Shaw Cactus & Succulent Society Cactus & Succulent Sale, St. Louis County

June 30th Greater St. Louis Sustainable Backyard Tour

9 am to 5 pm August 3rd Greater St. Louis Iris Society Iris Sale at at Missouri Botanical Garden. Garden admission free to St. Louis City and County residents on Wednesday and Saturday mornings.

August 10th Seed St. Louis Fall Seedling Sale

9 am to 5 pm August 17th Missouri Botanical Garden Daylily Association Plant Sale at Missouri Botanical Garden. Garden admission free to St. Louis City and County residents on Wednesday and Saturday mornings.

10-11:30 am August 17th Homegrown Hot Sauce Class with Urban Harvest’s Chef Queenie at Rung, Fox Park. Register

Noon to 5 pm August 18th Orchid Society of Greater St. Louis Auction at Missouri Botanical Garden. Garden admission fee required.

3-7 pm September 6th Shaw Nature Reserve Fall Wildflower Market

9 am to 5 pm September 7th Gateway West Gesneriad Society Show and Sale at Missouri Botanical Garden. Garden admission free to St. Louis City and County residents on Wednesday and Saturday mornings.

September 13th, 14th, 15th Kirkwood Greentree Festival at Kirkwood Park. Greater St. Louis Daffodil Society sells Daffodil bulbs at this event.

9 am to 5 pm September 28th Rose Society of Greater St. Louis Show at Missouri Botanical Garden. Garden admission free to St. Louis City and County residents on Wednesday and Saturday mornings.

September 22nd Bring Conservation Home Native Plant Expo at Tower Grove Park

October 5th Seed St. Louis Garlic Sale

Join us Sundays on Twitter for #GardenSunday to interact with other outdoor and indoor gardeners and nature enthusiasts, ask questions, give answers, share photos.