Yuma County, Arizona
Local growing conditions for Yuma County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 9 ZIP codes in our data.
Hardiness zones in Yuma County
Yuma County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Yuma County for its live forecast, frost dates, and planting calendar:
San Luis 85336
Tacna 85347
San Luis 85349
Somerton 85350
Tacna 85352
Wellton 85356
Yuma 85364
Martinez Lake 85365
Fortuna Foothills 85367
More for Arizona
- Agriculture in Arizona
- Frost dates across Arizona
- 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.