Serving DuPage, Kane and Kendall Counties

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Illinois Extension has a vast collection of resources addressing horticultural interests. We recognize that home and commercial horticulturalists each have unique needs, so we've cultivated a set of resources designed to address their top concerns. Check them out below.

The Master Gardener Help Desks reopen in March 2020 for the growing season.

Local and State Resources

Over the Garden Fence Blog

Horticulture Educator Richard Hentschel tackles timely topics in this weekly blog covering gardening, lawns, trees, and more.

Gardener's Corner Newsletter

Quarterly newsletter highlighting seasonal tips and tricks for gardeners

Podcast: Green Side Up

Host Richard Hentschel explores timely topics in horticulture with this Illinois Extension podcast.

'Tis the Season to Start Composting

This fall, trade in your piles of yard bags for a process that pays you back in great soil.

Watch Your Garden Grow

Learn about how to care for your garden throughout the growing season


Learn how to add some wild beauty to your garden or landscape

Illinois Vegetable Garden Guide

Tips for growing some of Illinois' most popular fruits and vegetables

April through September, Mon - Fri, 10 a.m. - 2 p.m.

March and October, M W F, 10 a.m. - 2 p.m.

Phone: 630-584-6166


Address: 535 S. Randall Road, St. Charles IL 60174

April through September, Monday through Friday, 9 a.m. - 12:30 p.m.

March and October, M W F, 9 a.m. - 12:30 p.m.

Phone: 630-553-5823


Address: 7775B IL Route 47, Yorkville IL 60560

April through October - Tuesday, Wednesday and Thursday, 9 a.m. - 12 p.m.

Phone: 630-955-1123


Address: 1100 E. Warrenville Road, Naperville IL 60563