Chatham County, Georgia
Local growing conditions for Chatham 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 Chatham County
Chatham County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Chatham County for its live forecast, frost dates, and planting calendar:
Bloomingdale 31302
Pooler 31322
Tybee Island 31328
Savannah 31401
Savannah 31404
Garden City 31405
Savannah 31406
Port Wentworth 31407
Garden City 31408
Savannah 31409
Wilmington Island 31410
Skidaway Island 31411
Savannah 31415
Savannah 31419
Savannah 31421
More for Georgia
- Agriculture in Georgia
- Frost dates across Georgia
- 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.