Clinton County, Ohio
Local growing conditions for Clinton 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 Clinton County
Clinton County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Clinton County for its live forecast, frost dates, and planting calendar:
Blanchester 45107
Clarksville 45113
Martinsville 45146
Midland 45148
New Vienna 45159
Port William 45164
Sabina 45166
Sabina 45169
Wilmington 45177
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.