Bonner County, Idaho
Local growing conditions for Bonner County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 16 ZIP codes in our data.
Hardiness zones in Bonner County
Bonner County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Bonner County for its live forecast, frost dates, and planting calendar:
Ponderay 83852
Clark Fork 83803
Blanchard 83804
Athol 83809
Clark Fork 83811
Laclede 83813
Coolin 83821
Oldtown 83822
Dover 83825
East Hope 83836
Kootenai 83840
Laclede 83841
Priest River 83856
Dover 83860
Ponderay 83864
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.