The Four Seasons Gardening Webinar Series is one of the most popular horticulture programs offered by the Illinois Extension Horticulture Team. Each season, the team hosts three live one-hour webinars delivered via Zoom. Webinars are free but registration is required and space is limited. Please click on the topics below to register.

Webinars are held on select Tuesdays at 1:30 p.m. CDT.  Each webinar will last approximately one hour.

Upcoming Programs 

End of Summer Planted Fall Vegetables | August 17

Fall harvested vegetables tend to be sweeter as they finish growing as the temperatures are cooling and fall approaches. Join University of Illinois Extension Horticulture Educator Bruce J. Black as he shares some tips for planting fall vegetables, which vegetables are better suited for a late summer planting, and some information about how to store fall harvested vegetables for their longest shelf or storage life.

Presenter: Horticulture Educator Bruce J. Black

If you need live captioning support to participate in this program, please contact Andrew Holsinger, at It is strongly encouraged to submit your request at least two weeks before the program begins.  


Registration will open soon for:

Garden Tool Maintenance – Richard Hentschel – September 14, 2021 at 1:30 CDT

The Nuts and Boles of Tree Identification – Sarah Vogel – October 19, 2021 at 1:30 CDT

Root Collar Disorders – Ryan Pankau – November 30, 2021 at 1:30 CST


Webinar Archives

Each program is recorded and available to watch on the Illinois Extension Horticulture YouTube channel. Videos are available about two weeks after the live program.