Horticulture
Horticulture Questions
Looking for an expert to advise on your garden questions? Please fill out the form and attach relevant photographs concerning your garden issues. Your inquiry will be responded to by an Extension staff member or a Wisconsin Extension Master Gardener in your area.
Ask Your Gardening Question: LIVE
The Extension Horticulture Program is excited to share a new program series in 2025 called Ask Your Gardening Question: LIVE. These hour-long, online Q&A sessions are free and open to the public. The next program is scheduled for Monday, April 21, and will continue on a monthly basis through the end of the year.
UW Madison Insect Diagnostic Lab
Free Online Gardening Programs
Join Wisconsin Horticulture Extension for free online gardening programs — and watch from any device! Our topics are suitable for gardeners of any skill level. When you register for a program, you can attend the live presentation or wait to watch the recorded version at your convenience.
Insect Information
- The Honey Bee’s Needs: Nectar and Pollen
- Garden Pests and Beneficial Natural Enemies
- Squash Vine Borer
- Japanese Beetle
- Spotted Lanternfly
- Wisconsin Public Radio program on Spotted Lanternfly
- Western Conifer Seed Bug and Adult Male Brown Marmorated Stink Bug Identification
- Michigan State University: Grub Control
- Rhizosphaera Needlecast
- Jumping Worms
- European Chafer – Door County
- Controlling European Chafer in Summer Months
- European Chafer
- Emerald Ash Borer
Articles and Publications
LINKS OF INTEREST
- Wisconsin Master Gardener Program
- UW – Department of Entomology Insect Diagnostic Lab
- UW – Fruit Website
- UW – Plant Disease Diagnostics Clinic
- UW – Plant Disease Diagnostics Clinic Facebook Page
- UW – Extension Horticultural Publications
- UW – The Wisconsin Gardener – Public TV
- Wisconsin Department of Natural Resources
- USDA Plants Database
- Weed Science Society of America
- Fruit Crop Pest Reports (from the Peninsula Ag. Research Station)
- “Home Owner’s Guide to Pesticide Safety” YouTube Video
- Garden Fertilizer Calculator Spreadsheet
If you have any questions regarding Horticulture in Door County, please contact:
UW-Madison Division of Extension Door County
County Government Center
421 Nebraska Street
Sturgeon Bay, WI 54235
Phone: 920-746-2260
