Floyd County, Iowa
Local growing conditions for Floyd 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 Floyd County
Floyd County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Floyd County for its live forecast, frost dates, and planting calendar:
Floyd 50435
Nora Springs 50458
Rockford 50468
Rudd 50471
Charles City 50616
Colwell 50620
Marble Rock 50653
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.