Jones County, Iowa
Local growing conditions for Jones County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 11 ZIP codes in our data.
Hardiness zones in Jones County
Jones County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Jones County for its live forecast, frost dates, and planting calendar:
Anamosa 52205
Cascade 52033
Center Junction 52212
Monticello 52252
Martelle 52305
Monticello 52310
Morley 52312
Olin 52320
Onslow 52321
Oxford Junction 52323
Wyoming 52362
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.