Hardin County, Ohio
Local growing conditions for Hardin 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 Hardin County
Hardin County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Hardin County for its live forecast, frost dates, and planting calendar:
Kenton 43326
Belle Center 43310
Mount Victory 43340
Chippewa Park 43346
Ada 45810
McGuffey 45812
Dola 45835
Dunkirk 45836
Forest 45843
McGuffey 45859
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.