Frost Dates for Thomson, GA 30824
Last spring frost March 30 · First fall frost November 8 · 223 frost-free days · USDA Zone 8b
ZIP 30824 has about 17,300 people.
Long season: 223 frost-free days. Spring frost risk spans March 11–April 18 (38 days). Fall frost risk spans October 22–November 25 (34 days).
Frost probability for 30824
| Frost | 10% | 50% | 90% |
|---|---|---|---|
| Spring (last frost) | April 18 | March 30 | March 11 |
| Fall (first frost) | October 22 | November 8 | November 25 |
Dates come from NOAA 1971–2000 freeze probabilities at WASHINGTON 2 ESE (29.3 km away); the 50% date is the median year.
Which crops fit a 223-day season in Thomson
In Thomson (223 frost-free days, a long season), 30 of 56 planner crops fit outright, 25 get two plantings, 1 crop is perennial.
| Crop | Start indoors | Plant out / sow | Days you have | Verdict | Last sow date |
|---|---|---|---|---|---|
| Tomato | Feb 23 | Apr 13–Apr 20 | 181 | fits: 80 days to maturity, 181 available after Apr 13. | Jul 9 |
| Pepper | Feb 16 | Apr 13–Apr 20 | 181 | fits: 75 days to maturity, 181 available after Apr 13. | Jul 14 |
| Lettuce | Feb 2 | Mar 2–Mar 9 | 258 | two-plantings: Plant Mar 2 and again by Sep 17; both mature before Nov 15. | Sep 17 |
| Carrots | — | Mar 9–Mar 16 | 265 | fits: 70 days to maturity, 265 available after Mar 9. | Sep 6 |
| Cucumber | Mar 9 | Apr 13–Apr 20 | 195 | two-plantings: Plant Apr 13 and again by Aug 12; both mature before Oct 25. | Aug 12 |
| Beans | — | Apr 6–Apr 20 | 209 | two-plantings: Plant Apr 6 and again by Aug 19; both mature before Nov 1. | Aug 19 |
| Peas | — | Feb 2–Apr 13 | 286 | fits: 65 days to maturity, 286 available after Feb 2. | Aug 28 |
| Zucchini | Mar 16 | Apr 13–Apr 20 | 195 | two-plantings: Plant Apr 13 and again by Aug 17; both mature before Oct 25. | Aug 17 |
| Onion | Jan 5 | Mar 2–Mar 16 | 258 | fits: 100 days to maturity, 258 available after Mar 2. | — |
| Spinach | — | Feb 2–Mar 23 | 300 | two-plantings: Plant Feb 2 and again by Oct 6; both mature before Nov 29. | Oct 6 |
| Kale | Jan 19 | Mar 2–Mar 16 | 272 | two-plantings: Plant Mar 2 and again by Sep 21; both mature before Nov 29. | Sep 21 |
| Broccoli | Feb 2 | Mar 2–Mar 16 | 258 | fits: 80 days to maturity, 258 available after Mar 2. | Aug 13 |
| Cabbage | Feb 2 | Mar 2–Mar 16 | 272 | fits: 70 days to maturity, 272 available after Mar 2. | Sep 6 |
| Radish | — | Feb 2–Apr 27 | 286 | two-plantings: Plant Feb 2 and again by Oct 7; both mature before Nov 15. | Oct 7 |
| Beets | — | Feb 2–Apr 27 | 286 | two-plantings: Plant Feb 2 and again by Sep 7; both mature before Nov 15. | Sep 7 |
| Potatoes | — | Mar 16–Mar 23 | 244 | fits: 90 days to maturity, 244 available after Mar 16. | — |
| Garlic | — | Nov 8 | 328 | overwinter: Plant Nov 8 to Nov 29; harvest the following summer. | Nov 29 |
| Strawberry | — | Feb 23–Apr 20 | 279 | perennial: A perennial: plant Feb 23; it fruits from the following year and keeps producing for several years. | — |
| Corn | Mar 2 | Apr 6–Apr 13 | 195 | fits: 75 days to maturity, 195 available after Apr 6. | Jul 21 |
| Pumpkin | Mar 16 | Apr 13–Apr 13 | 188 | fits: 100 days to maturity, 188 available after Apr 13. | Jun 26 |
| Cauliflower | Feb 16 | Mar 23–Apr 6 | 237 | fits: 75 days to maturity, 237 available after Mar 23. | Aug 18 |
| Swiss Chard | Feb 2 | Mar 16–Mar 16 | 244 | two-plantings: Plant Mar 16 and again by Sep 7; both mature before Nov 15. | Sep 7 |
| Arugula | — | Feb 2–Apr 27 | 300 | two-plantings: Plant Feb 2 and again by Oct 6; both mature before Nov 29. | Oct 6 |
| Brussel Sprouts | Feb 2 | Mar 2–Mar 16 | 272 | fits: 100 days to maturity, 272 available after Mar 2. | Aug 7 |
| Butternut Squash | Mar 16 | Apr 13–Apr 20 | 188 | fits: 100 days to maturity, 188 available after Apr 13. | Jun 26 |
| Eggplant | Feb 9 | Apr 13–Apr 20 | 181 | fits: 70 days to maturity, 181 available after Apr 13. | Jul 19 |
| Okra | Mar 2 | Apr 6–Apr 13 | 202 | two-plantings: Plant Apr 6 and again by Aug 17; both mature before Oct 25. | Aug 17 |
| Basil | Feb 23 | Apr 20–Apr 20 | 188 | two-plantings: Plant Apr 20 and again by Aug 12; both mature before Oct 25. | Aug 12 |
| Cilantro | — | Mar 2–Mar 23 | 258 | two-plantings: Plant Mar 2 and again by Sep 12; both mature before Nov 15. | Sep 12 |
| Parsley | Jan 19 | Apr 6–Apr 13 | 223 | fits: 70 days to maturity, 223 available after Apr 6. | Aug 23 |
| Celery | Jan 19 | Apr 6–Apr 20 | 223 | fits: 120 days to maturity, 223 available after Apr 6. | Jul 4 |
| Scallions | Jan 19 | Mar 2–Mar 16 | 272 | two-plantings: Plant Mar 2 and again by Sep 16; both mature before Nov 29. | Sep 16 |
| Turnip | — | Mar 2–Mar 16 | 272 | two-plantings: Plant Mar 2 and again by Sep 26; both mature before Nov 29. | Sep 26 |
| Kohlrabi | — | Feb 16–Mar 2 | 286 | two-plantings: Plant Feb 16 and again by Sep 21; both mature before Nov 29. | Sep 21 |
| Bok Choy | Mar 2 | Mar 23–Mar 30 | 237 | two-plantings: Plant Mar 23 and again by Sep 17; both mature before Nov 15. | Sep 17 |
| Collards | Jan 19 | Mar 2–Mar 16 | 272 | two-plantings: Plant Mar 2 and again by Sep 16; both mature before Nov 29. | Sep 16 |
| Cantaloupe | Mar 16 | Apr 13–Apr 20 | 181 | fits: 85 days to maturity, 181 available after Apr 13. | Jul 4 |
| Chives | Jan 5 | Apr 6–Apr 13 | 237 | fits: 90 days to maturity, 237 available after Apr 6. | — |
| Dill | — | Feb 2–Apr 27 | 286 | two-plantings: Plant Feb 2 and again by Sep 7; both mature before Nov 15. | Sep 7 |
| Oregano | Jan 19 | Apr 6–Apr 13 | 237 | fits: 80 days to maturity, 237 available after Apr 6. | — |
| Rosemary | Jan 5 | Apr 6–Apr 13 | 223 | fits: 80 days to maturity, 223 available after Apr 6. | — |
| Sage | Feb 2 | Apr 6–Apr 13 | 237 | fits: 75 days to maturity, 237 available after Apr 6. | — |
| Thyme | Jan 19 | Apr 6–Apr 13 | 237 | fits: 90 days to maturity, 237 available after Apr 6. | — |
| Calendula | Feb 16 | Mar 16–Mar 30 | 244 | two-plantings: Plant Mar 16 and again by Sep 12; both mature before Nov 15. | Sep 12 |
| Cosmos | Mar 2 | Mar 30–Apr 13 | 209 | two-plantings: Plant Mar 30 and again by Aug 12; both mature before Oct 25. | Aug 12 |
| Lavender | Jan 5 | Mar 30–Apr 13 | 244 | fits: 90 days to maturity, 244 available after Mar 30. | — |
| Marigolds | Feb 16 | Mar 30–Apr 6 | 209 | two-plantings: Plant Mar 30 and again by Aug 22; both mature before Oct 25. | Aug 22 |
| Melons | Mar 16 | Apr 13–Apr 20 | 181 | fits: 85 days to maturity, 181 available after Apr 13. | Jul 4 |
| Mint | — | Mar 30–Apr 13 | 244 | fits: 90 days to maturity, 244 available after Mar 30. | — |
| Nasturtiums | Mar 2 | Mar 30–Apr 6 | 209 | two-plantings: Plant Mar 30 and again by Aug 17; both mature before Oct 25. | Aug 17 |
| Pole Beans | — | Apr 6–Apr 20 | 202 | fits: 65 days to maturity, 202 available after Apr 6. | Aug 7 |
| Spaghetti Squash | Mar 16 | Apr 13–Apr 20 | 188 | fits: 90 days to maturity, 188 available after Apr 13. | Jul 6 |
| Sunflowers | — | Mar 30–Apr 13 | 209 | fits: 70 days to maturity, 209 available after Mar 30. | Aug 2 |
| Tomatillos | Feb 2 | Apr 6–Apr 13 | 188 | fits: 75 days to maturity, 188 available after Apr 6. | Jul 14 |
| Watermelon | Mar 16 | Apr 6–Apr 13 | 188 | fits: 80 days to maturity, 188 available after Apr 6. | Jul 9 |
| Yellow Squash | Mar 16 | Apr 13–Apr 20 | 195 | two-plantings: Plant Apr 13 and again by Aug 17; both mature before Oct 25. | Aug 17 |
| Zinnias | Mar 2 | Mar 30–Apr 13 | 209 | two-plantings: Plant Mar 30 and again by Aug 12; both mature before Oct 25. | Aug 12 |
Month by month in Thomson
| Month | What to do |
|---|---|
| January | Start indoors: Chives (Jan 5), Lavender (Jan 5), Onion (Jan 5), Rosemary (Jan 5), Celery (Jan 19), Collards (Jan 19), +5 more. |
| February | Start indoors: Broccoli (Feb 2), Brussel Sprouts (Feb 2), Cabbage (Feb 2), Lettuce (Feb 2), Sage (Feb 2), Swiss Chard (Feb 2), +8 more. Direct sow from: Arugula (Feb 2), Beets (Feb 2), Dill (Feb 2), Peas (Feb 2), Radish (Feb 2), Spinach (Feb 2), +1 more. Plant: Strawberry (Feb 23). |
| March | Start indoors: Bok Choy (Mar 2), Corn (Mar 2), Cosmos (Mar 2), Nasturtiums (Mar 2), Okra (Mar 2), Zinnias (Mar 2), +9 more. Direct sow from: Cilantro (Mar 2), Turnip (Mar 2), Carrots (Mar 9), Potatoes (Mar 16), Sunflowers (Mar 30). Transplant from: Broccoli (Mar 2), Brussel Sprouts (Mar 2), Cabbage (Mar 2), Collards (Mar 2), Kale (Mar 2), Lettuce (Mar 2), +12 more. Last frost around March 30. |
| April | Direct sow from: Beans (Apr 6), Pole Beans (Apr 6). Transplant from: Celery (Apr 6), Chives (Apr 6), Corn (Apr 6), Okra (Apr 6), Oregano (Apr 6), Parsley (Apr 6), +17 more. |
| May | Succession plant lettuce and greens. Keep beds weeded and watered consistently. |
| June | Last sowing dates: Butternut Squash (Jun 26), Pumpkin (Jun 26). |
| July | Last sowing dates: Cantaloupe (Jul 4), Celery (Jul 4), Melons (Jul 4), Spaghetti Squash (Jul 6), Tomato (Jul 9), Watermelon (Jul 9), +4 more. |
| August | Last sowing dates: Sunflowers (Aug 2), Brussel Sprouts (Aug 7), Pole Beans (Aug 7), Basil (Aug 12), Cosmos (Aug 12), Cucumber (Aug 12), +11 more. |
| September | Last sowing dates: Cabbage (Sep 6), Carrots (Sep 6), Beets (Sep 7), Dill (Sep 7), Swiss Chard (Sep 7), Calendula (Sep 12), +8 more. |
| October | Last sowing dates: Arugula (Oct 6), Spinach (Oct 6), Radish (Oct 7). |
| November | Direct sow from: Garlic (Nov 8). First frost around November 8. Last sowing dates: Garlic (Nov 29). |
| December | Harvest remaining cold-hardy crops: kale, carrots, and beets. Plant garlic bulbs for next year. |
Frequently Asked Questions
What is the last frost date for Thomson, GA (ZIP 30824)?
The median last spring frost date for Thomson, GA (ZIP code 30824) is around March 30. 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. One year in ten frost ends before March 11; one in ten it runs past April 18.
What is the first fall frost date in Thomson, GA?
The median first fall frost date for Thomson, GA is around November 8. Plan to harvest or protect frost-sensitive crops like tomatoes and peppers at least a week before this date to avoid losses. The first frost arrives around October 22 in the earliest one-in-ten years, so cover tomatoes and peppers from then.
How long is the growing season in Thomson, GA?
The frost-free growing season in Thomson is about 223 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. In Thomson (223 frost-free days, a long season), 30 of 56 planner crops fit outright, 25 get two plantings, 1 crop is perennial.
What USDA hardiness zone is Thomson, GA?
Thomson, GA is in USDA hardiness zone 8b (2023 USDA Plant Hardiness Zone Map). Zones come from the average coldest winter temperature, so they tell you which perennials survive the winter; the frost dates on this page tell you when to plant.
When should I start tomatoes indoors in Thomson, GA?
Start tomatoes indoors Feb 23 and plant out Apr 13 in Thomson. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.
How many plantings of lettuce fit in Thomson?
Two: plant Mar 2 and again by Sep 17; both mature before Nov 15.
When do I plant garlic in Thomson?
Nov 8 to Nov 29; it overwinters and is ready the following summer.
Can I get two tomato crops in Thomson?
Yes: plant out Apr 13 for a summer crop, and set out a second round of transplants by Jul 9 for a fall crop.
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