Upcoming Events
Green industry educational conferences, seminars, and trade exhibits provide the green industry opportunities for pursuing personal and professional development. This calendar includes upcoming local, regional, and national events and is compiled and managed by the Landscape and Nursery Association of Greater St. Louis
If you have an industry event you’d like added please email us at lnagslboard@gmail.com
2026 ASLA Central States Conference
The 2026 ASLA Central States Conference is coming to St. Louis April 15-17!
LNAGSL Networking @ Jost
We don’t have an official meeting in April because of the busy nature of our industy in spring.
LNAGSL will be meeting unofficially for networking at Jost Greenhouses.
No May Programming
Check back for more information as we have a volunteer opportunity in the works.
June Programming - Tree Walk
Dan Billman will lead us on a two hour walk that focuses on trees, diseases, treatments, and what trees we can plant to avoid issues.
We will have water/drinks and light snacks at the start of the walk.
$20 per member $30 for non members
RSVP will be required and will be open as we get closer to the date.
Lindenwood University Campus
More details to follow…
July Programming: Landscape Photography
MORE INFORMATION TO COME. TENTATIVE DATE AND TIME
Kim Dillon with St. Louis Home & Lifestyle Magazine talks landscape photography.
August Programming - Big Muddy Adventures
MORE INFORMATION TO COME. TENTATIVE DATE AND TIME
Private canoe trip on the Missouri River with gourmet campfire meal.
September Programming - St. Louis City SC
MORE INFORMATION TO COME. TENTATIVE DATE AND TIME
Private tour of St. Louis City SC Energizer Park with an emphasis on turf & irrigation.
LIFT: The Landscape Professional Summit for Women
Join the Women’s Network for the 2nd LIFT Summit!
LIFT ’26 is the premier event designed exclusively for women representing all facets of the industry. The LIFT Summit brings together trailblazing leaders, innovators, and visionaries who are shaping the future of our industry. Connect, learn, and be inspired by our dynamic lineup of speakers who exemplify excellence and leadership.
October Programming - St. Louis Zoo WildCare Park
MORE INFORMATION TO COME. TENTATIVE DATE AND TIME
November Programming - Author Event, Elections, & Scholarship Awards
MORE INFORMATION TO COME. TENTATIVE DATE AND TIME
GrowNative! Professional Certifiaction Testing
April 3, 2026 at Anita B. Gorman Conservation Discovery Center, Kansas City, MO
GrowNative! Professional Certification Testing
March 27, 2026 at University of Missouri, Columbia MO
GrowNative! Professional Certification Testing
March 13, 2026 at Drury University, Springfield, MO
Landscape Illinois - Women's Netwroking
Women’s Network Gathering – Southern Region
Belleville, Il
March 11th from 9-11am
March Programming - Danforth Plant Science Center
Tour the greenhouses at the Donald Danforth Plant Science Center. Join LNAGSL and horticulturist Evy Wolfe for a tour of the facilities. We will also be awarding the John L. Masek Ornamental Horticulture Scholarship to our four spring 2026 recipients.
Following the tour we will be meeting up around 6pm for networking, drinks, and food.
Fallon’s Bar and Grill 9200 Olive Blvd #116 Olivette, MO 63132 (We need a head count for Fallon’s so if you plan on joining, please RSVP)
Student tours are free.
Members Tour - $5
Non-Member Tour - $10
Click HERE to RSVP by Wednesday, March 4th.
Donald Danforth Plant Science Center at
975 N. Warson Rd, St Louis, MO 63132
Parking is available on the east side of the building. Look for signs indicating visitor parking near the front of the building. If all visitor spots are taken, then please park in any other spot in the lot. Walk toward the circle drive and the Kemper Water Garden to access the main entrance for check-in.
Scholarships will be awarded in the main lobby after the tour.
***For the tour*** Eeveryone needs to wear closed-toe shoes in case we enter any lab spaces. Photos are allowed, but not in certain areas. The tour guide will let us know when we are entering those areas.
Home & Garden Show
March 6 - 8, 2026
America's Center
Fri 10 am-7 pm
Sat 10 am-5 pm
Sun 10 am-5 pm
2026 Gateway Green Conference
Make plans to attend the 2026 Gateway Green Conference on March 4 in Collinsville. This full-day event offers a platform for sharing new ideas and research-based information as experts explore three vital tracks: building sustainable landscapes, conservation stewardship, and tree care.
Joey Santore - Parnters for Native Landscape
Join Joey Santore & Partners for a Native Landscape for their workshop and plant sale.
GrowNative! Professional Certification Testing
February 27, 2026 at Missouri Botanical Garden, St Louis, MO
iLandscape
The Illinois + Wisconsin Landscape Show will return February 25-27, 2026 at the Renaissance Schaumburg Convention Center in Schaumburg, Illinois
Seed St. Louis Community Agriculture Conference
The Community Agriculture Conference is an annual event to learn about all things gardening and urban agriculture. Gardeners of all levels are welcome to attend! Sessions are presented by experts from the community.
Site One University
2026 SiteOne University St. Louis
February 19, 2026 * 7:00 AM-5:30 PM
Doubletree by Hilton Hotel-Chesterfield
16625 Swingley Rd
Chesterfield, MO 63017
View agenda and register:
SiteOne.com/2026StLouisU
Spring Training for Landscape Professionals
Spring Training for Landscape Professionals
February 17th, 2026 8:00am-4:00PM
Stoneleaf Nursery - Eureka, IL
Design Symposium -
LNAGSL is excited to partner with the St. Louis Professional Designer Roundtable Group and STLCC - Meramec Horticulture to bring you our February programing. This event will bring together design student from STLCC - Meramec Horticulture Program and members of two great professional groups. More information on speakers to follow.
Missouri Organic Association Annual Conference
MOA Roots to Revenue: The Future of Regenerative Agriculture!
Join us in Columbia, MO, for concurrent sessions, hands-on discussions, and expert speakers covering soil health, marketing, specialty crops, livestock, certification, and more. Whether you’re an experienced producer, a new grower, or an ag professional, this is your opportunity to learn, connect, and grow with Missouri’s organic and regenerative farming community.
https://moaorganic.org/moa-conference/2026-moa-conference-22094/
info@MOAorganic.org
Proven Winners Landscape Roadshow
Thursday, February 5th, 2026
Hosted by Home Nursery, Inc. at DoubleTree by Hilton Hotel - Chesterfield, Missouri
Wild Things 2026
The Wild Things conference is a celebration of nature, wildlife, ecosystem restoration, birding, botanizing, networking, and discovery
For the first year ever, Wild Things is expanding to downstate Illinois where things get wild-er!
7th Annual Ritter Perennials New Plant Presentation
7th Annual Ritter Perennials New Plant Presentation!!!!
Be the first to see Ritter’s NEW Plants for 2026.
Please feel free to bring as many designers or installers from your company that might be interested.
When- Thursday January 29, 2026
Where- The Lodge Des Peres
1050 Des Peres Road
Des Peres, MO 63131
Time- 1pm
Please RSVP by January 23rd so we can provide snacks.
hello@ritterperennials.com
MPR Annual Contractor Meeting
Please join us on Wednesday, January 28th 2026
Location: Sunset Event Space, 10705 Watson Rd, St. Louis, MO 63127
Date and time: Wed, Jan 28, 2026 7:00 AM - 3:00 PM
Organizer: Steve Leu, (314) 426-4838, admin@mprsupply.com
InvigorateU
Landscape Illinois invites you to the InvigorateU conference in Bloomington, IL January 27th & 28th
2026 Shaw Series Winter Symposium
Join us at Missouri Botanical Garden's Bayer Event Center with experts in stormwater management, native landscaping, and climate resilience. Dive into topics like native plants, soil health, and bioretention basins, choose interactive breakout sessions, and network with industry leaders in stormwater management.
Attendees of this event are eligible for up to 12 Continuing Education Credits (CEUs) from the American Society of Landscape Architects (ASLA) and/or 12 Professional Development Hours (PDHs) for Professional Engineers in Missouri.
Tickets are available for two-day series at $200 or single-day at $125. Tickets include a light breakfast, lunch, and a social hour (day 1 only).
shawseries@mobot.org
GrowNative! Professional Certification Program Testing
December 12, 2025 at Drury University, Springfield, MO
Landscape Illinois - Weed ID Workshop
Instructor: Dr. Aaron Patton from Purdue University
This half day workshop is designed for beginners
and for more experienced professionals who want
more information on herbicide use principles and
discussion of how to control common green
industry weeds. This workshop offers training in
weed identification, integrated weed management,
selecting the right herbicides, enhancing weed
control, and updates on the latest weed research
findings.
Contact Kellie Schmidt for more details…
Registration Deadline COMMUNITY CONSERVATION FORUM
Check out main event on Dec 8th on the industry calendar for more info.
Living in the Liberated Landscape
Join Wild Ones for a free webinar featuring award-winning ecological designer and author Larry Weaner. Imagine a yard that becomes richer in wildlife and easier to care for with each season!