Brown County, South Dakota
Local growing conditions for Brown County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 14 ZIP codes in our data.
Hardiness zones in Brown County
Brown County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Brown County for its live forecast, frost dates, and planting calendar:
Aberdeen 57401
Westport 57426
Bath 57427
Claremont 57432
Columbia 57433
Ferney 57439
Frederick 57441
Groton 57445
Hecla 57446
Claremont 57449
Mansfield 57460
Stratford 57474
Warner 57479
Wetonka 57481
More for South Dakota
- Agriculture in South Dakota
- Frost dates across South Dakota
- USDA hardiness zones explained
- Planting calendar by ZIP code
← All counties in South Dakota
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.