Gardening Zone By Zip Code Map 2024. With the new usda plant hardiness map, our state now recognizes larger areas of zone 5a, particularly in urban and southwestern areas, supporting a broader. Lookup your usda hardiness zone by using your zipcode.

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. The plant hardiness zone map was updated for the 2024 gardening season with the addition of thousands more local weather stations.