Wisconsin Horticulture Newsletter
Wisconsin Master Gardener
Horticulture Calendar of Events and sign up for Newsletter
- Wisconsin Horticulture Division of Extension Calendar of Events – View Calendar of Events for upcoming online programs giving expert advice to help you not only choose the right plants for your space, but also keep them happy and healthy.
Ask Your Lawn or Gardening Question Online Form
Ask Your Lawn or Gardening Question Help Desk – Mondays & Thursdays 1-3 pm
- Speak directly with an Extension Horticulture Outreach Specialist for lawn and gardening advice here.
Ask Your Lawn or Gardening Question LIVE – Mondays-once a month
- Join our monthly online programs in 2025 for an opportunity to connect with plant health experts from the UW-Madison Division of Extension. Each session, held on Mondays at 1:30 p.m., is your chance to ask questions about your trees and shrubs, garden vegetables and ornamentals, and lawn. Whether it’s about plant diseases, pesky insets, or the selection and general use of plants in and around your home, our panel of seasoned experts will provide you with insightful answers. Don’t miss out on this opportunity to cultivate your knowledge and keep your plants thriving.
- 6/23/25 Register Now
- 7/21/25 Register Now
- 8/18/25 Register Now
- 9/22/25 Register Now
- 10/20/25 Register Now
- 11/17/25 Register Now
- 12/15/25 Register Now
UW Plant Disease Diagnostics Clinic (PDDC) provides monthly Zoom talks discussing plant disease-related topics.
Check out the PDDC website for more information and registration. Below is a brief list of talks.
- June 25 – Vegetable Diseases
- July 23 – Diseases of Herbaceous Ornamentals
- August 27 – Deciduous Tree and Shrub Diseases
- September 24 – The Bad and the Ugly: Ten Plant Diseases Not to Compost
- October 22 – Diseases of Houseplants
- November 19 – Diseases of Evergreens
- December 17 – Ten Cool Diseases You Can Learn to Love (and identify by eye)
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Horticulture Links of Interest:
Horticulture and Agriculture Websites
Insects, Diseases & Weeds
- UW – Department of Entomology Insect Diagnostic Lab & info sheets
- UW – Plant Disease and Diagnostic Lab – includes UW Plant Disease fact sheets
- Weed Science Society of America
- Invasive Species Wisconsin First Detector Network
Plant Varieties
Other Resources
- UW Horticulture Website – Answering Horticulture and Gardening Questions
- UW Online Programs and Webinars
- Hardiness Maps
- UW – Extension Horticultural Publications
- UW – Soil and Plant Analysis Laboratory
- Wisconsin Department of Natural Resources
- UW Turfgrass Diagnostic Laboratory
- Wisconsin Fruit
- UW Vegetable Pathology
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Articles for Lawn and Garden:
- Diagnosing the Nutritional Status of Fruit Crops
- Lead in Home Garden Soil
- Homegrown Tomatoes for Wisconsin
- Watch: Best Practices for Watering Yards and Gardens
- Rain Barrels for the Home Gardener
- Alternatives to Lawn: Groundcovers
- Common Milkweed Insects
- Is my ash tree worth treating for Emerald Ash Borer?
