Butler County, Ohio
Local growing conditions for Butler County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 14 ZIP codes in our data.
Hardiness zones in Butler County
Butler County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Butler County for its live forecast, frost dates, and planting calendar:
Woodsdale 45011
Millville 45013
Fairfield 45014
Hamilton 45015
Middletown 45042
Middletown 45044
Monroe 45050
Harrison 45053
Williamsdale 45055
Oxford 45056
Seven Mile 45062
Somerville 45064
Trenton 45067
Beckett Ridge 45069
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.