Us Hardiness Zone Map 2024 Nc. Based on the 1990 usda hardiness zone map, this interactive version covers the state of north carolina which ranges from usda zone 6a to usda zone 8a. The plant hardiness zone map was updated for the 2024 gardening season with the addition of thousands more local weather stations.
It also includes national, state and regional. Recently, the usda updated its plant hardiness map for the first time in 11 years.