Shoshone County, Idaho
Local growing conditions for Shoshone County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 12 ZIP codes in our data.
Hardiness zones in Shoshone County
Shoshone County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Shoshone County for its live forecast, frost dates, and planting calendar:
Kellogg 83837
Saltese 83802
Wallace 83808
Fernwood 83812
Kellogg 83839
Mullan 83846
Osburn 83849
Wardner 83850
Silverton 83867
Kellogg 83868
Mullan 83873
Mullan 83874
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.