Custer County, Nebraska
Local growing conditions for Custer County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 11 ZIP codes in our data.
Hardiness zones in Custer County
Custer County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Custer County for its live forecast, frost dates, and planting calendar:
Comstock 68828
Anselmo 68813
Ansley 68814
Broken Bow 68822
Callaway 68825
Mason City 68855
Merna 68856
Oconto 68860
Sargent 68874
Westerville 68881
Arnold 69120
More for Nebraska
- Agriculture in Nebraska
- Frost dates across Nebraska
- 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.