St Charles County Master Gardeners
Click on address for map.
636-875-7457
Menu
The St. Charles County Master Gardeners Welcome You
The Extension Center Demonstrations Gardens​
Bring our camera. Mornings and evenings are great times to stroll. The gardens are open to the public every day during the daylight hours. The Master Gardeners can also provide guided tours in May and early June. See Garden Tours.
Click here for an aerial drone view map.
In-Person Master Gardener Core Training in St Charles County
​​
Takes place Thursday mornings from 9-12.
Runs from January 15th until April 23rd 2026.
Located at 260 Brown Rd. 63376.
Click on image on right for registration ---------------->
​
$200 fee. Paper Manual provided.
​
For more information about University of Missouri Extension Master Gardeners.
https://extension.missouri.edu/programs/extension-master-gardener
Our Pantry Garden
Our Pantry Garden area, allows our Master Gardeners to learn techniques for growing. A typical year produces over a 2,000 lbs. (a ton) of donated vegetables for a local food pantry.
Click here to see our Pantry Garden page.
Other Activities
Farmers Market
The St Charles County Master Gardeners have a table at the at the St Charles Market on Main Street, between Clark and Monroe, on the first Saturday of the month, May through September, from 7:30-noon.
Stop by and visit us!
Supporting the Monarch Butterfly
The National Garden Bureau has designated 2025 as The Year of the Asclepias (milkweed) and encourages gardeners to plant this attractive and useful flowering perennial which is vital to the survival of the monarch butterfly.
Our Newest Master Gardeners
Introducing the 2025 Core Training Class
St Charles County welcomes the newest Master Gardener classroom graduates. After finishing their hands-on volunteer activities they will complete their training.​
To learn more about becoming a Missouri Master Gardener, visit
https://extension.missouri.edu/programs/extension-master-gardener/training