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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!

Plant Diagnostics Course

Plant Diagnostics: The Step-by-Step Approach to Identifying Plant Problems is an online asynchronous course designed to introduce you to the process of plant diagnostics.

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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. 

Pruning Deciduous Shrubs

Pruning controls the size of shrubs, directs growth, influences flowering, and restores plant health and appearance. Learn pruning techniques in this factsheet.

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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.

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.

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, […]

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Seed Starting

Starting your garden from seeds might be easier than you think. Check out this article to get practical tips on starting your plants from seeds.

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