Knox County, Kentucky
Local growing conditions for Knox County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 15 ZIP codes in our data.
Hardiness zones in Knox County
Knox County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Knox County for its live forecast, frost dates, and planting calendar:
Barbourville 40906
Corbin 40734
Corbin 40771
Flat Lick 40903
Barbourville 40915
Barbourville 40921
Barbourville 40923
Flat Lick 40935
Barbourville 40943
Barbourville 40946
Barbourville 40949
Barbourville 40953
Flat Lick 40982
Pineville 40995
Flat Lick 40997
More for Kentucky
- Agriculture in Kentucky
- Frost dates across Kentucky
- USDA hardiness zones explained
- Planting calendar by ZIP code
County growing conditions are compiled from our ZIP-code database, USDA hardiness-zone data, and NOAA climate normals. Conditions vary within a county by elevation and local microclimate. Page updated Aug 4, 2026.