Morrow County, Ohio
Local growing conditions for Morrow County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 10 ZIP codes in our data.
Hardiness zones in Morrow County
Morrow County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Morrow County for its live forecast, frost dates, and planting calendar:
Ashley 43003
Cardington 43315
Chesterville 43317
Edison 43320
Fulton 43321
Iberia 43325
Marengo 43334
Hidden Lakes 43338
Sparta 43350
Galion 44833
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.