Glynn County, Georgia
Local growing conditions for Glynn County: the USDA hardiness zones found here, frost dates, and live weather for communities across the county. Based on 7 ZIP codes in our data.
Hardiness zones in Glynn County
Glynn County spans these USDA plant hardiness zones (by number of ZIP codes):
Local weather & frost dates
Open any community in Glynn County for its live forecast, frost dates, and planting calendar:
Brunswick 31520
St. Simons 31522
Dock Junction 31523
Country Club Estates 31524
Sterling 31525
Jekyll Island 31527
St. Simons 31561
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.