Galveston County, Texas
Local growing conditions for Galveston County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 18 ZIP codes in our data.
Hardiness zones in Galveston County
Galveston County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Galveston County for its live forecast, frost dates, and planting calendar:
Santa Fe 77510
Santa Fe 77517
Bacliff 77518
Dickinson 77539
Friendswood 77546
Galveston 77550
Galveston 77551
Galveston 77554
Galveston 77555
Hitchcock 77563
Clear Lake Shores 77565
La Marque 77568
League City 77573
Texas City 77590
Texas City 77591
Bolivar Peninsula 77617
Bolivar Peninsula 77623
Bolivar Peninsula 77650
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.