Boone County, Iowa
Local growing conditions for Boone 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 Boone County
Boone County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Boone County for its live forecast, frost dates, and planting calendar:
Beaver 50031
Boone 50036
Boxholm 50040
Luther 50152
Madrid 50156
Ogden 50212
Pilot Mound 50223
Woodward 50276
More for Iowa
- Agriculture in Iowa
- Frost dates across Iowa
- 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.