Twin Falls County, Idaho
Local growing conditions for Twin Falls County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 8 ZIP codes in our data.
Hardiness zones in Twin Falls County
Twin Falls County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Twin Falls County for its live forecast, frost dates, and planting calendar:
Hagerman 83332
Hollister 83301
Jackpot 83302
Buhl 83316
Castleford 83321
Filer 83328
Hansen 83334
Kimberly 83341
More for Idaho
- Agriculture in Idaho
- Frost dates across Idaho
- 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.