Plant Zone Map 2024. Department of agriculture has an updated plant hardiness zone map. Usda hardiness zone map, according to the new map released in november 2023, about half of the united states has shifted to a new hardiness zone.

The usda plant hardiness zone map is the standard by which gardeners and growers can determine which perennial plants are most likely to thrive at a location. This is especially true since the usda updated the hardiness zone map in november 2023.