Hardiness Zone Map

What is My Hardiness Growing Zone?

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Released in November 2023, the USDA Plant Hardiness Zone Map pictured below was developed jointly by the USDA’s Agricultural Research Service and Oregon State University’s PRISM Climate Group using an average of climatological data gathered over the last 30 years from all over the United States. It is considered to be the most accurate depiction of plant hardiness zones we have today, and is the official resource used by growers and gardeners everywhere. 

Knowing your hardiness zone will help you choose trees, shrubs and perennials that can survive winter in your climate. Learn all about what the hardiness zones on the map mean for your garden and how to use your zone to find the most suitable plants for your area here.

USDA Zone Map - 2023
Map Courtesy of the U.S. Department of Agriculture – 2023
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