DeKalb County, Indiana
Local growing conditions for DeKalb County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 8 ZIP codes in our data.
Hardiness zones in DeKalb County
DeKalb County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in DeKalb County for its live forecast, frost dates, and planting calendar:
Ashley 46705
Auburn 46706
Butler 46721
Corunna 46730
Garrett 46738
St. Joe 46785
Spencerville 46788
Waterloo 46793
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.