Lake and McHenry Counties Homepage

Announcements and Highlights

Now Hiring

Now Hiring

The University of Illinois Extension has multiple job opportunities for Lake and McHenry Counties. Click here for more information.

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Lake County Garden Learning Series - The Garden's Planted: Now What?

Attention to detail while conducting your garden maintenance and taking appropriate action can increase the health of your plants, save you time and increase your yield. Get more satisfaction from your vegetable garden when applying this knowledge!
Support Extension

Lake County Extension Foundation

The Lake County Extension Foundation is a non-profit charitable organization recognized by the IRS as a 501(c)(3) public charity.

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Check Out Our Social Media!

Stay connected by following our social media accounts.

Eat. Move. Save.

Eat well, stay active, and save money

Find tasty recipes, shopping tips, and activities to keep you and your family healthy.
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Sea Grant Illinois-Indiana

Sea Grant uses research, outreach, and education to bring the latest science to Great Lakes communities. Sea Grant helps strengthen and preserve ecosystems and communities in southern Lake Michigan and beyond.
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Become a Master Naturalist

Volunteer as a Master Naturalist to facilitate conservation and restoration in your community and educate others about natural resources.
Mast Gardener Helpline

Your toughest questions, answered

Call our Master Gardener Helpline and a U of I Extension Master Gardener will answer your questions at NO COST!

Events

  1. 2023 McHenry County Gardenfest
    McHenry County College, 8900 US Hwy 14, Crystal Lake, Illinois 60012 (McHenry County)

  1. Lake County Master Gardener 2023 Plant Sale
    100 South Highway 45, Grayslake, IL 60030 (Lake County)
Programs We Offer