Pottawattamie County, Iowa
Local growing conditions for Pottawattamie County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 16 ZIP codes in our data.
Hardiness zones in Pottawattamie County
Pottawattamie County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Pottawattamie County for its live forecast, frost dates, and planting calendar:
Council Bluffs 51501
Council Bluffs 51503
Carter Lake 51510
Avoca 51521
Carson 51525
Crescent 51526
Hancock 51536
Crescent 51542
McClelland 51548
Macedonia 51549
Minden 51553
Neola 51559
Oakland 51560
Treynor 51575
Underwood 51576
Walnut 51577
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.