Dubuque County, Iowa
Local growing conditions for Dubuque County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 13 ZIP codes in our data.
Hardiness zones in Dubuque County
Dubuque County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Dubuque County for its live forecast, frost dates, and planting calendar:
Sageville 52001
Asbury 52002
Dubuque 52003
Bernard 52032
Rickardsville 52039
Epworth 52045
Farley 52046
Holy Cross 52053
Luxemburg 52056
Luxemburg 52065
Peosta 52068
Sherrill 52073
Worthington 52078
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.