Koochiching County, Minnesota
Local growing conditions for Koochiching County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 11 ZIP codes in our data.
Hardiness zones in Koochiching County
Koochiching County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Koochiching County for its live forecast, frost dates, and planting calendar:
Nett Lake 55772
Big Falls 56627
Baudette 56629
Ranier 56649
Littlefork 56653
Big Falls 56654
Big Falls 56658
Mizpah 56660
Northome 56661
Ranier 56668
Littlefork 56669
More for Minnesota
- Agriculture in Minnesota
- Frost dates across Minnesota
- 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.