Carter County, Oklahoma
Local growing conditions for Carter County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 12 ZIP codes in our data.
Hardiness zones in Carter County
Carter County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Carter County for its live forecast, frost dates, and planting calendar:
Ardmore 73401
Fox 73435
Gene Autry 73436
Fox 73437
Healdton 73438
Lone Grove 73443
Hennepin 73444
Ardmore 73458
Wilson 73463
Ratliff City 73481
Tatums 73487
Ratliff City 73488
More for Oklahoma
- Agriculture in Oklahoma
- Frost dates across Oklahoma
- 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.