
Going on Now: Missouri Conservation Annual Tree Seedling Sale. Orders ship out in Spring. Rose Mallow, a native hibiscus with large flowers , one of Missouri’s tallest perrenials (up to 8 feet) is still available
April 21, 2026, Missouri Invasive Plant Council Callery Pear, Bradford Pear Buyback. Info on 2025 event. No link yet for 2026. Confirmed locations: Cape Girardeau, Columbia, Doniphan, Hannibal, Jefferson City, Joplin, Kansas City, Kirksville, Lebanon, Liberty, Moberly, Park Hills, Parkville, Riverside, Rolla, Sikeston, Springfield, St. Charles, St. Joseph, St. Louis, Warrensburg, and West Plains.
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Noon to 4 pm January 10th Happy Trails Farm (501c3 horse rescue) Garden Vendor Fair & Seed Swap at Moose Lodge, 2521 Maryville Rd, Granite City, Illinois. Donations accepted and a lucky donor will win a pick up truck of manure.
11 am to 4 pm January 24th 15th Annual STL Seeding Frenzy Seed Swap at Sunset Hills Community Center, 3915 South Lindbergh Blvd. Seed Swap, Vendors, Raffle. Label seeds. If you do not have seeds to swap, donate non-perishable food items, hygiene products or new kids socks and underwear for charity.
9 am to 5 pm January 31st-February 1st Orchid Society of Greater St. Louis Sale at Missouri Botanical Garden. Garden Admission Free until Noon on Saturdays and Wednesdays to St. Louis City and St. Louis County residents, except during MoBot special events, otherwise Garden Fee applies.
2 pm January 31st St. Louis County Library event at Meramec Valley Branch: Seed & Houseplant Swap. Register
March 6th-7th Midwestern Herb & Garden Show in Mount Vernon, Illinois
11 am to 2 pm Piasa Palisades Sierra Club event at Alton, Illinois: Seed Swap. Register
March 14th Seed St. Louis March Sale at Carriage House: Potatoes, Onions, Strawberries, Asparagus
9 am March 28th Seed St. Louis Spring Seedling Sale at Carriage House.
April 18th Missouri Prairie Foundation Native Plant Sale at World Bird Sanctuary, Valley Park, St. Louis County
9 am to 5 pm April 24th St. Louis Herb Society Herb Sale at Missouri Botanical Garden. Garden Fee applies.
2 pm April 25th St. Louis County Library event at Grand Glaize Branch: Plant Swap. Register
9 am May 9th Seed St. Louis Summer Seedling & Sweet Potato Slip Sale at Carriage House
9 am to 5 pm May 9th St. Louis Hosta Society Show & Sale at Missouri Botanical Garden. Garden Admission Free until Noon on Saturdays and Wednesdays to St. Louis City and St. Louis County residents, except during MoBot special events, otherwise Garden Fee applies.
9 am to 5 pm May 16th Metropolitan St. Louis African Violet Council Show & Sale at Missouri Botanical Garden. Garden Admission Free until Noon on Saturdays and Wednesdays to St. Louis City and St. Louis County residents, except during MoBot special events, otherwise Garden Fee applies.
May 16th Missouri Prairie Foundation Native Plant Sale at The Nature Institute, Godfrey, Illinois
9 am to 5 pm June 20th Carnivorous Plant Society Show & Sale at Missouri Botanical Garden. Garden Admission Free until Noon on Saturdays and Wednesdays to St. Louis City and St. Louis County residents, except during MoBot special events, otherwise Garden Fee applies.
9 am to 5 pm August 1st-2nd Greater St. Louis Iris Society Plant Sale at Missouri Botanical Garden. Garden Admission Free until Noon on Saturdays and Wednesdays to St. Louis City and St. Louis County residents, except during MoBot special events, otherwise Garden Fee applies.
Noon to 5 pm August 9th Orchid Society of Greater St. Louis Auction at Missouri Botanical Garden. Garden Fee applies.
9 am August 15th Seed St. Louis Fall Seedling Sale at Carriage House
9 am to 5 pm August 15th Missouri Botanical Garden Daylily Society Plant Sale at Missouri Botanical Garden. Garden Admission Free until Noon on Saturdays and Wednesdays to St. Louis City and St. Louis County residents, except during MoBot special events, otherwise Garden Fee applies.
9 am to 5 pm September 12th Gateway West Gesneriad Society Show & Sale at Missouri Botanical Garden. Garden Admission Free until Noon on Saturdays and Wednesdays to St. Louis City and St. Louis County residents, except during MoBot special events, otherwise Garden Fee applies.
September 12th Missouri Prairie Foundation Native Plant Sale at The Nature Institute, Godfrey, Illinois
September 24th Missouri Prairie Foundation Native Plant Sale at Roeslein & Associates, St. Louis County
October 17th Seed St. Louis Garlic Sale at Carriage House





