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Ask Your Gardening Question LIVE

Register for an upcoming Q&A session, connect with plant health experts from the UW-Madison Division of Extension, and get answers to all your plant questions!

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2025 Plant Disease Talks

Each month, the UW Plant Disease Diagnostics Clinic hosts a Zoom webinar on a plant disease-related topic. View the 2025 schedule and webinar descriptions here.

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Latest Horticulture News

Timely Articles for Spring Gardens

Wisconsin’s Busy Bees: Getting to Know the Bees in Your Area

By: PJ Liesch, Extension Entomology Specialist, UW-Madison While bees such as honey bees and bumblebees are well-known, Wisconsin is home to nearly 500 species of bees. Most of these bees go unrecognized by the public but provide critical pollination services. In this video, you will learn about some of the commonest wild bees in the […]

Pruning Evergreens

Pruning Evergreens

Pruning can help control the size of an evergreen, direct growth, or maintain plant health and appearance. Learn how to prune evergreens in this factsheet.

Fungus Gnats on Houseplants

Fungus Gnats on Houseplants

Fungus gnats (Family Sciaridae) are insects commonly associated with overwatered houseplants. They can become a nuisance when they are present in large numbers and fly around inside a home. In most situations, fungus gnats are a cosmetic problem. However, on occasion, fungus gnat larvae can cause plant damage.

What’s the deal with “No Mow May?”

What’s the deal with “No Mow May?”

Have you heard about “No Mow May?” Many people have committed to not mowing their yards in May, allowing flowering plants to grow to help provide food for pollinators. Before you stow away your mower for May, let’s look at what options you can take to help pollinators this Spring.

Phenology

Phenology

Phenology is a branch of science that studies the life cycles of plants and animals with seasonal changes and weather. Learn more in this factsheet.

Effects of Flooding on Woody Landscape Plants

Effects of Flooding on Woody Landscape Plants

“How long will my plants survive with their roots under water?” This publication will help you answer that question.

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