Savannah, GA planting zone & frost dates
Savannah is in USDA hardiness zone 9a. The last spring frost usually comes around March 2 and the first fall frost around November 30, for a growing season of about 270 days.
Planting calendar for Savannah
Dates are counted from the average last spring frost (March 2) using the typical timing recommended by U.S. extension services. Warm-season crops go out only after the danger of frost has passed and the soil has warmed.
| Crop | When |
|---|---|
| Tomatoes | Start seeds indoors: Jan 5 – Jan 19 Transplant outdoors: Mar 9 – Mar 16 |
| Peppers | Start seeds indoors: Dec 22 – Jan 5 Transplant outdoors: Mar 16 – Mar 23 |
| Eggplant | Start seeds indoors: Dec 22 – Jan 5 Transplant outdoors: Mar 16 – Mar 23 |
| Broccoli | Start seeds indoors: Dec 22 – Jan 5 Transplant outdoors: Feb 2 – Feb 16 |
| Cabbage | Start seeds indoors: Dec 22 – Jan 5 Transplant outdoors: Feb 2 – Feb 16 |
| Onions (sets) | Plant outdoors: Feb 2 – Feb 16 |
| Peas | Sow outdoors: Jan 19 – Feb 2 |
| Spinach | Sow outdoors: Jan 19 – Feb 2 |
| Lettuce | Sow outdoors: Feb 2 – Feb 16 |
| Carrots | Sow outdoors: Feb 2 – Feb 16 |
| Potatoes | Plant outdoors: Feb 2 – Feb 16 |
| Beans | Sow outdoors: Mar 9 – Mar 16 |
| Sweet corn | Sow outdoors: Mar 9 – Mar 16 |
| Cucumbers | Sow outdoors: Mar 9 – Mar 16 |
| Squash & zucchini | Sow outdoors: Mar 9 – Mar 16 |
| Basil | Start seeds indoors: Jan 19 – Feb 2 Transplant outdoors: Mar 9 – Mar 16 |
Fall garden: cool-season crops like lettuce, spinach and kale can be sown again around Oct 5 (8 weeks before the average first fall frost on Nov 30).
Useful for zone 9a gardens
- Seed starting kit with dome — to start seeds indoors before the last frost
- LED grow light for seedlings — stops leggy seedlings
- Frost cloth / plant covers — for late spring and early fall frosts
- Soil thermometer — warm-season crops need soil above 60°F
- Shade cloth — for hot summers
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Frost risk in detail
| 90% chance | 50% chance | 10% chance | |
|---|---|---|---|
| Last 32°F frost in spring is after | Feb 4 | Mar 2 | Mar 25 |
| First 32°F frost in fall is before | Dec 28 | Nov 30 | Nov 11 |
How to read it: in spring there is a 10% chance of a frost after March 25, so that is a safe date for tender plants. In fall there is a 10% chance of frost before November 11. A hard freeze (28°F) usually ends around February 13.
Hardiness zone by ZIP code in Savannah
- 31401 zone 9a
- 31402 zone 9a
- 31403 zone 9a
- 31404 zone 9a
- 31405 zone 9a
- 31406 zone 9a
- 31408 zone 9a
- 31409 zone 9a
- 31410 zone 9a
- 31411 zone 9a
- 31412 zone 9a
- 31414 zone 9a
- 31415 zone 9a
- 31416 zone 9a
- 31418 zone 9a
- 31419 zone 9a
- 31420 zone 9a
- 31421 zone 9a
Nearby cities
- Wilmington Island zone 9a, last frost Mar 2
- Pooler zone 9a, last frost Mar 2
- Georgetown zone 9a, last frost Mar 2
- Richmond Hill zone 9a, last frost Mar 2
- Hinesville zone 9a, last frost Mar 5
- Statesboro zone 8b, last frost Mar 7
- Saint Simon Mills zone 9a, last frost Feb 9
- Saint Simons Island zone 9a, last frost Feb 9
Questions
What growing zone is Savannah, GA?
Savannah is in USDA Plant Hardiness Zone 9a (average extreme winter low 20°F to 25°F), according to the USDA 2023 map.
When is the last frost in Savannah?
The average last spring frost (32°F) in Savannah is March 2. There is still a 10% chance of frost until March 25.
When can I plant tomatoes in Savannah?
Transplant tomatoes outdoors 1–2 weeks after the average last frost: around Mar 9 – Mar 16. Start seeds indoors 6–8 weeks before the last frost.
Frost dates: NOAA U.S. Climate Normals 1991–2020, station Savannah Intl Ap, GA (USW00003822), 11.6 km (7.2 mi) from the city center, elevation 14 m, based on 29 years of records. Hardiness zone: USDA Plant Hardiness Zone Map 2023 for the ZIP code nearest to the city center. Microclimates (valleys, hills, cities, coasts) can be warmer or colder: check the local forecast before planting. How we calculate the data.