Rock County, Minnesota
Local growing conditions for Rock County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 9 ZIP codes in our data.
Hardiness zones in Rock County
Rock County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Rock County for its live forecast, frost dates, and planting calendar:
Beaver Creek 56116
Hardwick 56134
Hills 56138
Jasper 56144
Magnolia 56146
Kenneth 56147
Luverne 56156
Magnolia 56158
Steen 56173
More for Minnesota
- Agriculture in Minnesota
- Frost dates across Minnesota
- 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.