Prince William County, Virginia
Local growing conditions for Prince William County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 15 ZIP codes in our data.
Hardiness zones in Prince William County
Prince William County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Prince William County for its live forecast, frost dates, and planting calendar:
Bull Run 20109
Buckhall 20111
Independent Hill 20112
Linton Hall 20136
Bull Run 20143
Gainesville 20155
Bull Run Mountain Estates 20169
Nokesville 20181
Montclair 22025
Cherry Hill 22026
Occoquan 22125
Independent Hill 22172
Woodbridge 22191
Lake Ridge 22192
Dale City 22193
More for Virginia
- Agriculture in Virginia
- Frost dates across Virginia
- 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.