Franklin County, Ohio
Local growing conditions for Franklin County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 43 ZIP codes in our data.
Hardiness zones in Franklin County
Franklin County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Franklin County for its live forecast, frost dates, and planting calendar:
Columbus 43202
Columbus 43235
Columbus 43002
Columbus 43004
Dublin 43016
Dublin 43017
Hilliard 43026
New Albany 43054
Reynoldsburg 43068
Westerville 43081
Worthington 43085
Brice 43109
Lake Darby 43119
Grove City 43123
Groveport 43125
Harrisburg 43126
Columbus 43201
Columbus 43203
Columbus 43204
Columbus 43205
Columbus 43206
Columbus 43207
Bexley 43209
Columbus 43210
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.