Master Gardener Training
Master Gardener Training
Become a Master Gardener
Cultivate Knowledge. Share It Locally in Henry, Mercer, Rock Island, and Stark Counties
Master Gardeners are adult volunteers who love gardening, care about the environment, and want to share that passion with their community. Volunteers complete a comprehensive training program and then support local horticulture projects through University of Illinois Extension.
Complete the interest form to receive updates about the next Master Gardener training, including dates, registration details, and program expectations. Interest registration lets us notify you when the next training cohort opens.
Sign up for the training
What Master Gardeners Do
Master Gardeners volunteer on behalf of and under the supervision of University of Illinois Extension. Volunteer work takes place throughout the community and may include:
- Supporting school and community gardens
- Assisting with horticulture education programs
- Answering gardening questions through the Master Gardener Helpline
- Helping with park, library, and city beautification projects
- Sharing research‑based gardening information with the public
Certified Master Gardeners complete their training and internship. To remain active, volunteers contribute 20 hours of service and 10 hours of continuing education each year, reported online through University of Illinois Extension.
About the Training
This training serves volunteers in Henry, Mercer, Rock Island, and Stark counties. Training includes weekly online modules, readings, and quizzes in Moodle. A final exam is also completed in Moodle and graded automatically.
Topics by Week (Order may vary)
- Welcome & Introduction to Master Gardener Training
- Botany
- Soils
- Insects
- Diseases
- Annuals & Perennials
- Lawns
- Fruits
- Trees & Shrubs
- Vegetables
- Integrated Pest Management (IPM)
Get reliable answers to your gardening questions from our Master Gardeners.
- In-person help: Wednesdays, 9 AM–noon. Call (309) 756-9989 or stop by the Illinois Extension Office, 321 W 2nd Ave. Milan.
- Online: Submit questions anytime through the online form go.illinois.edu/AsktheMasterGardener. You can also leave a voicemail at 217-300-2040, and a volunteer will return your call.