Black Hawk County, Iowa
Local growing conditions for Black Hawk County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 12 ZIP codes in our data.
Hardiness zones in Black Hawk County
Black Hawk County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Black Hawk County for its live forecast, frost dates, and planting calendar:
Cedar Falls 50613
Waterloo 50623
Dunkerton 50626
Gilbertville 50634
Hudson 50643
Jesup 50648
La Porte City 50651
Raymond 50667
Waterloo 50701
Waterloo 50702
Waterloo 50703
Evansdale 50707
More for Iowa
- Agriculture in Iowa
- Frost dates across Iowa
- 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.