Houghton County, Michigan
Local growing conditions for Houghton County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 18 ZIP codes in our data.
Hardiness zones in Houghton County
Houghton County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Houghton County for its live forecast, frost dates, and planting calendar:
Atlantic Mine 49905
Calumet 49913
Chassell 49916
Fulton 49917
Dodgeville 49921
Dollar Bay 49922
Hancock 49930
Hancock 49931
Hubbell 49934
Laurium 49942
Lake Linden 49945
Pelkie 49952
Painesdale 49955
Pelkie 49958
Covington 49961
Trimountain 49963
Painesdale 49965
Bruce Crossing 49967
More for Michigan
- Agriculture in Michigan
- Frost dates across Michigan
- 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.