Richland County, Ohio
Local growing conditions for Richland 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 Richland County
Richland County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Richland County for its live forecast, frost dates, and planting calendar:
Bellville 44813
Butler 44822
Lucas 44843
Shelby 44875
Shiloh 44878
Mansfield 44901
Mansfield 44902
Mansfield 44903
Lexington 44904
Lincoln Heights 44905
Ontario 44906
Mansfield 44907
More for Ohio
- Agriculture in Ohio
- Frost dates across Ohio
- 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.