Sheridan County, Montana
Local growing conditions for Sheridan County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 10 ZIP codes in our data.
Hardiness zones in Sheridan County
Sheridan County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Sheridan County for its live forecast, frost dates, and planting calendar:
Antelope 59211
Grenora 59219
Homestead 59242
Medicine Lake 59247
Outlook 59252
Plentywood 59254
Plentywood 59256
Redstone 59257
Reserve 59258
Westby 59275
More for Montana
- Agriculture in Montana
- Frost dates across Montana
- 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.