Putnam County, Ohio
Local growing conditions for Putnam County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 13 ZIP codes in our data.
Hardiness zones in Putnam County
Putnam County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Putnam County for its live forecast, frost dates, and planting calendar:
Belmore 45815
Cloverdale 45827
Columbus Grove 45830
Continental 45831
Fort Jennings 45844
Glandorf 45848
Kalida 45853
West Leipsic 45856
Miller City 45864
Ottawa 45875
Ottoville 45876
Pandora 45877
Vaughnsville 45893
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.