The University of Wisconsin–Madison Extension Horticulture Program is a trusted source of horticultural expertise, dedicated to providing Wisconsin residents with clear, research‑based guidance. We offer evidence‑driven education, practical resources, and decision‑making tools to help home gardeners and commercial growers keep their plants healthy while supporting a sustainable environment.
Ask Your Gardening Question: LIVE
Join our monthly online programs in 2026 to learn directly from plant health specialists with the UW–Madison Division of Extension. Each session gives you space to bring your questions about trees and shrubs, fruits and vegetables, houseplants, ornamentals, lawns, and more.
From diagnosing diseases and managing insects to choosing the right plants and caring for them throughout the year, our experienced experts offer clear, practical guidance. It’s a great way to deepen your understanding and support the health of the plants in and around your home.
Upcoming Sessions
| Date | Time | Registration Link |
|---|---|---|
| 5/20/26 | 1:30-2:30 p.m. | Register Now |
| 6/17/26 | 6:30-7:30 p.m. | Register Now |
| 7/15/26 | 1:30-2:30 p.m. | Register Now |
| 8/19/26 | 1:30-2:30 p.m. | Register Now |
| 9/16/26 | 6:30-7:30 p.m. | Register Now |
| 10/21/26 | 1:30-2:30 p.m. | Register Now |
| 11/11/26 | 1:30-2:30 p.m. | Register Now |
| 12/9/26 | 6:30-7:30 p.m. | Register Now |
Other Free Online Programs:
- Rhubarb: Not Just Your Grandma’s Favorite Plant Thursday, May 14, 6–7p.m Register Now
- Big 3 Apple Insect Webinar Series May 1, May 15, June 12, Noon-1:00 PM Register Now
These online sessions are free, but registration is required for each session you would like to attend. Upon registration you will receive an email confirmation with the link for joining the session.