Deconstruct SunGeorgia Hardiness Zones
Georgia covers USDA plant hardiness zones 7a to 9a on the 2023 map, so its coldest areas average 0 to 5 °F on the coldest winter night. Find your zone by ZIP code, or pick a city below for its zone, sunrise and daylight by month.
Georgia hardiness zone map
This is not the official USDA Plant Hardiness Zone Map. Zones are derived from the official 2023 dataset, resampled to about 2 km. Dots mark cities with their own page.
Source: USDA Plant Hardiness Zone Map, 2023. Agricultural Research Service, U.S. Department of Agriculture, planthardiness.ars.usda.gov. Underlying data © PRISM Group, Oregon State University, prism.oregonstate.edu, accessed 2026-08-30.
Zones and daylight by city
| City | Zone | Coldest night | Longest day | Shortest day |
|---|---|---|---|---|
| Atlanta | 8a | 10 to 15 °F | 14h 24m | 9h 55m |
| Columbus | 8b | 15 to 20 °F | 14h 17m | 10h 01m |
| Augusta | 8b | 15 to 20 °F | 14h 22m | 9h 57m |
| Macon | 8b | 15 to 20 °F | 14h 19m | 9h 59m |
| Savannah | 9a | 20 to 25 °F | 14h 15m | 10h 03m |
| Athens | 8a | 10 to 15 °F | 14h 25m | 9h 54m |
| Sandy Springs | 8a | 10 to 15 °F | 14h 25m | 9h 54m |
| Roswell | 8a | 10 to 15 °F | 14h 26m | 9h 53m |
| Alpharetta | 8a | 10 to 15 °F | 14h 26m | 9h 53m |
| Albany | 8b | 15 to 20 °F | 14h 13m | 10h 05m |
| Valdosta | 9a | 20 to 25 °F | 14h 09m | 10h 09m |
| Marietta | 8a | 10 to 15 °F | 14h 25m | 9h 54m |
Gardening in Georgia?
Your zone says what survives winter. Deconstruct Sun measures how many hours of direct sun your exact spot gets, so you can pick plants that thrive. Free on iPhone.
Questions
What hardiness zones are in Georgia?
Georgia spans USDA zones 7a to 9a on the 2023 map. Among its larger cities, Atlanta is coldest (zone 8a) and Savannah is warmest (zone 9a).
How do I find my exact zone in Georgia?
Enter your ZIP code in the hardiness zone lookup on this site. It reads the 2023 USDA data for that ZIP and warns you if you are near a zone boundary.
How much sun do gardens in Georgia get?
In Atlanta, an open spot gets up to 14.4 hours of daylight in June but only 9.9 in December. Trees and buildings cut that down, especially in winter. The Deconstruct Sun app measures the real direct-sun hours for one exact spot.