Letcher County, Kentucky
Local growing conditions for Letcher County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 24 ZIP codes in our data.
Hardiness zones in Letcher County
Letcher County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Letcher County for its live forecast, frost dates, and planting calendar:
Dunbar 40826
Osaka 40862
Jenkins 41517
Jenkins 41537
Blackey 41804
McRoberts 41810
Fleming-Neon 41812
Mayking 41815
Cumberland 41819
Cumberland 41821
Whitesburg 41824
McRoberts 41825
Blackey 41826
Blackey 41832
Cumberland 41833
McRoberts 41835
Mayking 41837
Fleming-Neon 41838
Fleming-Neon 41840
Whitesburg 41845
Blackey 41848
Millstone 41849
Millstone 41855
Whitesburg 41858
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.