Sanders County, Montana
Local growing conditions for Sanders 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 Sanders County
Sanders County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Sanders County for its live forecast, frost dates, and planting calendar:
Sčilíp 59831
Heron 59844
Lonepine 59845
Lonepine 59848
Noxon 59853
Paradise 59856
Plains 59859
Thompson Falls 59873
Trout Creek 59874
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.