Idaho County, Idaho
Local growing conditions for Idaho 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 Idaho County
Idaho County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Idaho County for its live forecast, frost dates, and planting calendar:
Kamiah 83536
Cottonwood 83522
Elk City 83525
Ferdinand 83526
Grangeville 83530
Cottonwood 83533
Pinesdale 83539
Riggins 83542
Riggins 83547
Riggins 83549
Stites 83552
White Bird 83554
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.