Columbiana County, Ohio
Local growing conditions for Columbiana County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 19 ZIP codes in our data.
Hardiness zones in Columbiana County
Columbiana County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Columbiana County for its live forecast, frost dates, and planting calendar:
Calcutta 43920
Salineville 43945
Summitville 43962
Wellsville 43968
Columbiana 44408
East Palestine 44413
Lisbon 44415
Hanoverton 44423
Leetonia 44431
Lisbon 44432
Negley 44441
New Waterford 44445
Lake Tomahawk 44455
Salem 44460
Washingtonville 44490
Guilford Lake 44493
East Rochester 44625
Homeworth 44634
Homeworth 44665
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.