Dr. Universe: How do cacti survive in such hot and dry environments?

Ask Dr. Universe illustration.

All plants need water. Some use interesting strategies to stay alive, notes Charles Cody, a WSU greenhouse manager. For his complete answer, see the Dr. Universe website.

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Landscaping for drought and hot weather

WSU Extension gives advice on growing a beautiful and drought-tolerant landscape, including lists of plants, tips for reducing water usage, and more.