Plant Zone Map 2024 Nc. According to the new map released in november 2023, about half of the united states has shifted to a new hardiness zone. Usda’s plant hardiness zone map is the standard by which gardeners and growers can determine which plants are most likely to thrive at a location.

Each growing zone is 10°f warmer (or colder) in an average winter than the adjacent zone. Usda’s plant hardiness zone map is the standard by which gardeners and growers can determine which plants are most likely to thrive at a location.