USDA Updates Plant Hardiness Zones | Weather.com

USDA Updates Plant Hardiness Zones

March 22, 2025

Updated: March 22, 2025, 12:37 am EDTPublished: March 22, 2025, 12:37 am EDT

The U.S. Department of Agriculture has updated its color-coded map of plant hardiness zones, and that could change what plants you buy. Here’s what to know.

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