Master Gardeners

Extension has a vast collection of resources addressing horticultural interests across Illinois. We recognize that home and commercial horticulturalists have unique needs, so we've cultivated resources designed to address their top concerns. These collections represent the topic areas where we usually get the most questions, but our expertise covers everything from trees to tomatoes to tulips.

Plant Clinic

Plant disease and injury can be costly. The Plant Clinic provides solutions to what's attacking the health of your plants. We provide plant and insect identification; nematode assays; diagnosis of injury from disease, insects, weeds, and chemicals; and help with nutrient-related issues.

School & Community Garden Training

A garden is a classroom waiting to be explored. If you've ever wanted to start a school or community garden but were not sure where to start, the School and Community Gardens course is for you! This self-paced, research-based online class gives you the tools you need to teach youth to garden. Learn how to build a thriving, long-lasting school garden program of any size. Find more information or sign up for the class here!

Have yard and gardening questions? Let us help.

The Master Gardener Help Desk is a community service that Master Gardener programs provide nationwide. Help Desks in our counties are now open! Master Gardeners are volunteers trained by University of Illinois Extension educators. They provide research-based answers to your home horticulture questions, such as: