Lake and McHenry Counties Homepage

Announcements and Highlights

McHenry County Garden Walk

Tour the McHenry County Master Gardeners' Demonstration Garden at McHenry County College and then experience some of the most unique, creative gardens across Algonquin, Lake in the Hills, and Crystal Lake.

McHenry County Master Gardener Seed Library

Now open! The library is organized by vegetables and flowers, both annual and perennial. The system is organized by alphabet and there is a list of the seeds that the library has available.

Your toughest questions, answered

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

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.

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.

Check Out Our Social Media!

Stay connected by following our social media accounts.

Become a Master Naturalist

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

Eat well, stay active, and save money

Find tasty recipes, shopping tips, and activities to keep you and your family healthy.
Events

  1. Storing Your Bountiful Harvest | Eat Fresh, Eat Local
    Online

  1. 2021 McHenry County Farm Stroll
    McHenry County (McHenry County)
Programs We Offer