Sweetwater County, Wyoming
Local growing conditions for Sweetwater County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 11 ZIP codes in our data.
Hardiness zones in Sweetwater County
Sweetwater County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Sweetwater County for its live forecast, frost dates, and planting calendar:
Farson 82932
Bairoil 82322
Table Rock 82336
Arrowhead Springs 82901
Little America 82929
Granger 82934
James Town 82935
McKinnon 82938
Point of Rocks 82942
Reliance 82943
Superior 82945
More for Wyoming
- Agriculture in Wyoming
- Frost dates across Wyoming
- 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.