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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 Winter Gardens

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▶ WATCH: Maintaining Your Festive Houseplants

Festive houseplants are common gifts in winter. In this video, learn how to keep a poinsettia, Christmas cactus, Norfolk Island Pine and other favorite gift plants thriving. 

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Growing Vegetables at Home: Questions and Answers

Here are answers to the questions gardeners ask most often about growing vegetables. From asparagus to watercress, this guide covers over 50 vegetables plus other basic gardening topics.

Winter Salt Injury and Salt-tolerant Landscape Plants

Learn to recognize and prevent plant damage caused by deicing salts. Learn about alternatives to rock salt and which plants are salt-tolerant.

African Violets

Amy Gibbs* and Brian Hudelson, UW-Madison Plant PathologyRevised:  4/26/2010Item number:  XHT1034 What are African violets?  African violets (Saintpaulia spp.) are popular flowering houseplants in the Gesneriad family (Gesneriaceae), native to Tanzania in East Africa.  Their compact forms make them ideal for use on tabletops, windowsills, and hanging baskets.  There are many varieties of African violets, […]

Forcing Bulbs

Many plants grown from mbulbs can be forced to bloom indoors during the winter. Learn how to choose, plant, and provide the right conditions to enjjoy spring-flowering blooms indoors while its still winter outside.

Maintaining Lawn and Garden Tools

When it comes to digging in the garden or pruning trees and shrubs, having high quality tools that are cleaned, lubricated, sharpened and otherwise properly maintained, makes any outdoor job simpler and more efficient. Learn how to maintain your garden tools in this useful factsheet.

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