Frost Dates for Douglas, GA 31533
Last spring frost March 3 · First fall frost November 25 · 267 frost-free days · USDA Zone 9a
Frost probability for 31533
| Frost | 10% | 50% | 90% |
|---|---|---|---|
| Spring (last frost) | March 24 | March 3 | February 10 |
| Fall (first frost) | November 1 | November 25 | December 19 |
Dates come from NOAA 1971–2000 freeze probabilities at the nearest reporting station (30.5 km away); the 50% date is the median year.
Frost dates by ZIP code in Douglas, GA
| ZIP | Last spring frost (50%) | First fall frost (50%) | Zone |
|---|---|---|---|
| 31533 | March 3 | November 25 | 9a |
| 31535 | March 10 | November 19 | 9a |
Month by month in Douglas
| Month | What to do |
|---|---|
| January | Start peppers and eggplant indoors 8–10 weeks before your last frost (around March 3). Start tomatoes about two weeks later, 6–8 weeks before last frost. |
| February | Start herbs, basil, and squash indoors (4–6 weeks before frost). Direct sow peas, spinach, and lettuce if soil is workable. |
| March | Last frost around March 3. Transplant cold-hardy crops (broccoli, kale, cabbage). Harden off tomato and pepper seedlings. |
| April | Frost has passed. Transplant tomatoes, peppers, and basil outdoors. Direct sow beans, cucumbers, squash, and zucchini. |
| May | Succession plant lettuce and greens. Keep beds weeded and watered consistently. |
| June | Harvest regularly to encourage production. Monitor for pests and disease. |
| July | Midsummer: harvest beans, zucchini, cucumbers. Start brassica seeds indoors for fall. |
| August | Direct sow carrots and beets for fall harvest. Start fall broccoli and kale indoors. |
| September | Direct sow carrots and beets for fall harvest. Start fall broccoli and kale indoors. |
| October | First fall frost approaching (around November 25). Transplant fall brassicas. Sow spinach, arugula, and radishes. |
| November | First frost around November 25. Harvest tomatoes and peppers before frost. Cover cold-hardy crops with row covers to extend the season. |
| December | Harvest remaining cold-hardy crops: kale, carrots, and beets. Plant garlic bulbs for next year. |
What grows in a 267-day season
Frequently Asked Questions
What is the last frost date for Douglas, GA (ZIP 31533)?
The median last spring frost date for Douglas, GA (ZIP code 31533) is around March 3. This is the 50th-percentile date — meaning half of all years see frost end before this date. Use the 10% and 90% dates to understand the full range of risk in your area.
What is the first fall frost date in Douglas, GA?
The median first fall frost date for Douglas, GA is around November 25. Plan to harvest or protect frost-sensitive crops like tomatoes and peppers at least a week before this date to avoid losses.
How long is the growing season in Douglas, GA?
The frost-free growing season in Douglas is about 267 days. This window — from your last spring frost to your first fall frost — is when warm-season vegetables thrive. Cold-hardy crops like kale, spinach, and peas can extend your season by weeks on either side.
What USDA hardiness zone is Douglas, GA?
Based on frost date patterns, Douglas falls approximately in 9a. USDA hardiness zones are determined by average annual minimum winter temperatures and guide both plant selection and planting timing for your location.
When should I start tomatoes indoors in Douglas, GA?
Start tomato seeds indoors 6–8 weeks before your last frost date (around March 3). For Douglas, that's roughly January 7 to January 21. Transplant outdoors 1–2 weeks after your last frost.
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