Dearborn County, Indiana
Local growing conditions for Dearborn County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 7 ZIP codes in our data.
Hardiness zones in Dearborn County
Dearborn County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Dearborn County for its live forecast, frost dates, and planting calendar:
Aurora 47001
Dillsboro 47018
Bright 47022
Greendale 47025
Moores Hill 47032
Sunman 47041
New Trenton 47060
More for Indiana
- Agriculture in Indiana
- Frost dates across Indiana
- 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.