Hamilton County, Ohio
Local growing conditions for Hamilton County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 54 ZIP codes in our data.
Hardiness zones in Hamilton County
Hamilton County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Hamilton County for its live forecast, frost dates, and planting calendar:
Cincinnati 45226
Addyston 45001
Hooven 45002
Harrison 45030
Hooven 45033
Miamitown 45041
Cincinnati 45051
Shawnee 45052
The Village of Indian Hill 45111
Terrace Park 45174
Cincinnati 45202
Cincinnati 45203
Cincinnati 45204
Cincinnati 45205
Cincinnati 45206
Cincinnati 45207
Cincinnati 45208
Cincinnati 45209
Cincinnati 45211
Norwood 45212
Cincinnati 45213
Cincinnati 45214
Lockland 45215
Cincinnati 45216
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.