Pierce County, Wisconsin
Local growing conditions for Pierce County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 10 ZIP codes in our data.
Hardiness zones in Pierce County
Pierce County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Pierce County for its live forecast, frost dates, and planting calendar:
River Falls 54022
Ellsworth 54003
Ellsworth 54011
Diamond Bluff 54014
Prescott 54021
Bay City 54723
Elmwood 54740
Plum City 54750
Plum City 54761
Spring Valley 54767
More for Wisconsin
- Agriculture in Wisconsin
- Frost dates across Wisconsin
- 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.