Polk County, Missouri
Local growing conditions for Polk County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 10 ZIP codes in our data.
Hardiness zones in Polk County
Polk County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Polk County for its live forecast, frost dates, and planting calendar:
Aldrich 65601
Bolivar 65613
Pleasant Hope 65617
Fair Play 65640
Fair Play 65649
Halfway 65663
Humansville 65674
Morrisville 65710
Pleasant Hope 65725
Louisburg 65727
More for Missouri
- Agriculture in Missouri
- Frost dates across Missouri
- 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.