Montgomery County, Ohio
Local growing conditions for Montgomery County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 32 ZIP codes in our data.
Hardiness zones in Montgomery County
Montgomery County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Montgomery County for its live forecast, frost dates, and planting calendar:
Dayton 45377
Dayton 45423
Brookville 45309
Clayton 45315
Clayton 45322
Farmersville 45325
Germantown 45327
Miamisburg 45342
New Lebanon 45345
Phillipsburg 45354
Dayton 45402
Dayton 45403
Dayton 45404
Dayton 45405
Dayton 45406
Kettering 45409
Dayton 45410
Vandalia 45414
Clayton 45415
Trotwood 45416
Drexel 45417
Oakwood 45419
Kettering 45420
Huber Heights 45424
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.