Kittson County, Minnesota
Local growing conditions for Kittson 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 Kittson County
Kittson County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Kittson County for its live forecast, frost dates, and planting calendar:
Donaldson 56720
Hallock 56728
Halma 56729
Humboldt 56731
Karlstad 56732
Kennedy 56733
Lake Bronson 56734
Lancaster 56735
Humboldt 56755
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.