Usda Plant Hardiness Zone Map 2024-2024. The usda hardiness zone map is a valuable tool for assessing plant hardiness based on average annual extreme minimum winter temperatures. And last week, the usda confirmed it by releasing an updated.
The usda hardiness map—the official name is plant hardiness zone map—helps gardeners determine which perennial plants can survive in their climate. The usda just updated their plant hardiness zone map for the first time.