Yankton County, South Dakota
Local growing conditions for Yankton 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 Yankton County
Yankton County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Yankton County for its live forecast, frost dates, and planting calendar:
Gayville 57031
Irene 57037
Lesterville 57040
Mission Hill 57046
Jamesville Colony 57067
Volin 57072
Yankton 57078
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.