Itasca County, Minnesota
Local growing conditions for Itasca County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 23 ZIP codes in our data.
Hardiness zones in Itasca County
Itasca County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Itasca County for its live forecast, frost dates, and planting calendar:
Taconite 55709
Calumet 55716
Cohasset 55721
Coleraine 55722
Goodland 55742
Grand Rapids 55744
Keewatin 55753
Marble 55764
Nashwauk 55769
Calumet 55775
Hibbing 55781
Warba 55784
Taconite 55786
Warba 55793
Bigfork 56628
Deer River 56636
Inger 56637
Effie 56639
Bigfork 56657
Inger 56659
Inger 56680
Squaw Lake 56681
Effie 56688
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.