Jefferson County, Texas
Local growing conditions for Jefferson County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 17 ZIP codes in our data.
Hardiness zones in Jefferson County
Jefferson County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Jefferson County for its live forecast, frost dates, and planting calendar:
China 77613
Groves 77619
Hamshire 77622
Central Gardens 77627
Nome 77629
Port Arthur 77640
Port Arthur 77642
Port Neches 77651
Port Arthur 77655
Beaumont 77701
Beaumont 77702
Beaumont 77703
Fannett 77705
Beaumont 77706
Beaumont 77707
Beaumont 77708
Beaumont 77713
More for Texas
- Agriculture in Texas
- Frost dates across Texas
- 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.