Frost Dates for Hattiesburg, MS 39406
Hattiesburg has 3 ZIP codes. The Hattiesburg, MS frost page lists all of them with their dates.
Last spring frost March 20 · First fall frost November 11 · 236 frost-free days · USDA Zone 8b
ZIP 39406 has about 1,940 people, one of 3 ZIP codes in Hattiesburg.
Long season: 236 frost-free days. Spring frost risk spans March 2–April 7 (36 days). Fall frost risk spans October 26–November 27 (32 days).
Frost probability for 39406
| Frost | 10% | 50% | 90% |
|---|---|---|---|
| Spring (last frost) | April 7 | March 20 | March 2 |
| Fall (first frost) | October 26 | November 11 | November 27 |
Dates come from NOAA 1971–2000 freeze probabilities at COLLINS (40.7 km away); the 50% date is the median year.
Which crops fit a 236-day season in Hattiesburg
In Hattiesburg (236 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 13 | Apr 3–Apr 10 | 194 | fits: 80 days to maturity, 194 available after Apr 3. | Jul 12 |
| Pepper | Feb 6 | Apr 3–Apr 10 | 194 | fits: 75 days to maturity, 194 available after Apr 3. | Jul 17 |
| Lettuce | Jan 23 | Feb 20–Feb 27 | 271 | two-plantings: Plant Feb 20 and again by Sep 20; both mature before Nov 18. | Sep 20 |
| Carrots | — | Feb 27–Mar 6 | 278 | fits: 70 days to maturity, 278 available after Feb 27. | Sep 9 |
| Cucumber | Feb 27 | Apr 3–Apr 10 | 208 | two-plantings: Plant Apr 3 and again by Aug 15; both mature before Oct 28. | Aug 15 |
| Beans | — | Mar 27–Apr 10 | 222 | two-plantings: Plant Mar 27 and again by Aug 22; both mature before Nov 4. | Aug 22 |
| Peas | — | Jan 23–Apr 3 | 299 | fits: 65 days to maturity, 299 available after Jan 23. | Aug 31 |
| Zucchini | Mar 6 | Apr 3–Apr 10 | 208 | two-plantings: Plant Apr 3 and again by Aug 20; both mature before Oct 28. | Aug 20 |
| Onion | Dec 26 | Feb 20–Mar 6 | 271 | fits: 100 days to maturity, 271 available after Feb 20. | — |
| Spinach | — | Jan 23–Mar 13 | 313 | two-plantings: Plant Jan 23 and again by Oct 9; both mature before Dec 2. | Oct 9 |
| Kale | Jan 9 | Feb 20–Mar 6 | 285 | two-plantings: Plant Feb 20 and again by Sep 24; both mature before Dec 2. | Sep 24 |
| Broccoli | Jan 23 | Feb 20–Mar 6 | 271 | fits: 80 days to maturity, 271 available after Feb 20. | Aug 16 |
| Cabbage | Jan 23 | Feb 20–Mar 6 | 285 | fits: 70 days to maturity, 285 available after Feb 20. | Sep 9 |
| Radish | — | Jan 23–Apr 17 | 299 | two-plantings: Plant Jan 23 and again by Oct 10; both mature before Nov 18. | Oct 10 |
| Beets | — | Jan 23–Apr 17 | 299 | two-plantings: Plant Jan 23 and again by Sep 10; both mature before Nov 18. | Sep 10 |
| Potatoes | — | Mar 6–Mar 13 | 257 | fits: 90 days to maturity, 257 available after Mar 6. | — |
| Garlic | — | Nov 11 | 341 | overwinter: Plant Nov 11 to Dec 2; harvest the following summer. | Dec 2 |
| Strawberry | — | Feb 13–Apr 10 | 292 | perennial: A perennial: plant Feb 13; it fruits from the following year and keeps producing for several years. | — |
| Corn | Feb 20 | Mar 27–Apr 3 | 208 | fits: 75 days to maturity, 208 available after Mar 27. | Jul 24 |
| Pumpkin | Mar 6 | Apr 3–Apr 3 | 201 | fits: 100 days to maturity, 201 available after Apr 3. | Jun 29 |
| Cauliflower | Feb 6 | Mar 13–Mar 27 | 250 | fits: 75 days to maturity, 250 available after Mar 13. | Aug 21 |
| Swiss Chard | Jan 23 | Mar 6–Mar 6 | 257 | two-plantings: Plant Mar 6 and again by Sep 10; both mature before Nov 18. | Sep 10 |
| Arugula | — | Jan 23–Apr 17 | 313 | two-plantings: Plant Jan 23 and again by Oct 9; both mature before Dec 2. | Oct 9 |
| Brussel Sprouts | Jan 23 | Feb 20–Mar 6 | 285 | fits: 100 days to maturity, 285 available after Feb 20. | Aug 10 |
| Butternut Squash | Mar 6 | Apr 3–Apr 10 | 201 | fits: 100 days to maturity, 201 available after Apr 3. | Jun 29 |
| Eggplant | Jan 30 | Apr 3–Apr 10 | 194 | fits: 70 days to maturity, 194 available after Apr 3. | Jul 22 |
| Okra | Feb 20 | Mar 27–Apr 3 | 215 | two-plantings: Plant Mar 27 and again by Aug 20; both mature before Oct 28. | Aug 20 |
| Basil | Feb 13 | Apr 10–Apr 10 | 201 | two-plantings: Plant Apr 10 and again by Aug 15; both mature before Oct 28. | Aug 15 |
| Cilantro | — | Feb 20–Mar 13 | 271 | two-plantings: Plant Feb 20 and again by Sep 15; both mature before Nov 18. | Sep 15 |
| Parsley | Jan 9 | Mar 27–Apr 3 | 236 | fits: 70 days to maturity, 236 available after Mar 27. | Aug 26 |
| Celery | Jan 9 | Mar 27–Apr 10 | 236 | fits: 120 days to maturity, 236 available after Mar 27. | Jul 7 |
| Scallions | Jan 9 | Feb 20–Mar 6 | 285 | two-plantings: Plant Feb 20 and again by Sep 19; both mature before Dec 2. | Sep 19 |
| Turnip | — | Feb 20–Mar 6 | 285 | two-plantings: Plant Feb 20 and again by Sep 29; both mature before Dec 2. | Sep 29 |
| Kohlrabi | — | Feb 6–Feb 20 | 299 | two-plantings: Plant Feb 6 and again by Sep 24; both mature before Dec 2. | Sep 24 |
| Bok Choy | Feb 20 | Mar 13–Mar 20 | 250 | two-plantings: Plant Mar 13 and again by Sep 20; both mature before Nov 18. | Sep 20 |
| Collards | Jan 9 | Feb 20–Mar 6 | 285 | two-plantings: Plant Feb 20 and again by Sep 19; both mature before Dec 2. | Sep 19 |
| Cantaloupe | Mar 6 | Apr 3–Apr 10 | 194 | fits: 85 days to maturity, 194 available after Apr 3. | Jul 7 |
| Chives | Dec 26 | Mar 27–Apr 3 | 250 | fits: 90 days to maturity, 250 available after Mar 27. | — |
| Dill | — | Jan 23–Apr 17 | 299 | two-plantings: Plant Jan 23 and again by Sep 10; both mature before Nov 18. | Sep 10 |
| Oregano | Jan 9 | Mar 27–Apr 3 | 250 | fits: 80 days to maturity, 250 available after Mar 27. | — |
| Rosemary | Dec 26 | Mar 27–Apr 3 | 236 | fits: 80 days to maturity, 236 available after Mar 27. | — |
| Sage | Jan 23 | Mar 27–Apr 3 | 250 | fits: 75 days to maturity, 250 available after Mar 27. | — |
| Thyme | Jan 9 | Mar 27–Apr 3 | 250 | fits: 90 days to maturity, 250 available after Mar 27. | — |
| Calendula | Feb 6 | Mar 6–Mar 20 | 257 | two-plantings: Plant Mar 6 and again by Sep 15; both mature before Nov 18. | Sep 15 |
| Cosmos | Feb 20 | Mar 20–Apr 3 | 222 | two-plantings: Plant Mar 20 and again by Aug 15; both mature before Oct 28. | Aug 15 |
| Lavender | Dec 26 | Mar 20–Apr 3 | 257 | fits: 90 days to maturity, 257 available after Mar 20. | — |
| Marigolds | Feb 6 | Mar 20–Mar 27 | 222 | two-plantings: Plant Mar 20 and again by Aug 25; both mature before Oct 28. | Aug 25 |
| Melons | Mar 6 | Apr 3–Apr 10 | 194 | fits: 85 days to maturity, 194 available after Apr 3. | Jul 7 |
| Mint | — | Mar 20–Apr 3 | 257 | fits: 90 days to maturity, 257 available after Mar 20. | — |
| Nasturtiums | Feb 20 | Mar 20–Mar 27 | 222 | two-plantings: Plant Mar 20 and again by Aug 20; both mature before Oct 28. | Aug 20 |
| Pole Beans | — | Mar 27–Apr 10 | 215 | fits: 65 days to maturity, 215 available after Mar 27. | Aug 10 |
| Spaghetti Squash | Mar 6 | Apr 3–Apr 10 | 201 | fits: 90 days to maturity, 201 available after Apr 3. | Jul 9 |
| Sunflowers | — | Mar 20–Apr 3 | 222 | fits: 70 days to maturity, 222 available after Mar 20. | Aug 5 |
| Tomatillos | Jan 23 | Mar 27–Apr 3 | 201 | fits: 75 days to maturity, 201 available after Mar 27. | Jul 17 |
| Watermelon | Mar 6 | Mar 27–Apr 3 | 201 | fits: 80 days to maturity, 201 available after Mar 27. | Jul 12 |
| Yellow Squash | Mar 6 | Apr 3–Apr 10 | 208 | two-plantings: Plant Apr 3 and again by Aug 20; both mature before Oct 28. | Aug 20 |
| Zinnias | Feb 20 | Mar 20–Apr 3 | 222 | two-plantings: Plant Mar 20 and again by Aug 15; both mature before Oct 28. | Aug 15 |
Month by month in Hattiesburg
| Month | What to do |
|---|---|
| January | Start indoors: Celery (Jan 9), Collards (Jan 9), Kale (Jan 9), Oregano (Jan 9), Parsley (Jan 9), Scallions (Jan 9), +9 more. Direct sow from: Arugula (Jan 23), Beets (Jan 23), Dill (Jan 23), Peas (Jan 23), Radish (Jan 23), Spinach (Jan 23). |
| February | Start indoors: Calendula (Feb 6), Cauliflower (Feb 6), Marigolds (Feb 6), Pepper (Feb 6), Basil (Feb 13), Tomato (Feb 13), +7 more. Direct sow from: Kohlrabi (Feb 6), Cilantro (Feb 20), Turnip (Feb 20), Carrots (Feb 27). Transplant from: Broccoli (Feb 20), Brussel Sprouts (Feb 20), Cabbage (Feb 20), Collards (Feb 20), Kale (Feb 20), Lettuce (Feb 20), +2 more. Plant: Strawberry (Feb 13). |
| March | Start indoors: Butternut Squash (Mar 6), Cantaloupe (Mar 6), Melons (Mar 6), Pumpkin (Mar 6), Spaghetti Squash (Mar 6), Watermelon (Mar 6), +2 more. Direct sow from: Potatoes (Mar 6), Sunflowers (Mar 20), Beans (Mar 27), Pole Beans (Mar 27). Transplant from: Calendula (Mar 6), Swiss Chard (Mar 6), Bok Choy (Mar 13), Cauliflower (Mar 13), Cosmos (Mar 20), Lavender (Mar 20), +15 more. Last frost around March 20. |
| April | Transplant from: Butternut Squash (Apr 3), Cantaloupe (Apr 3), Cucumber (Apr 3), Eggplant (Apr 3), Melons (Apr 3), Pepper (Apr 3), +6 more. |
| May | Succession plant lettuce and greens. Keep beds weeded and watered consistently. |
| June | Last sowing dates: Butternut Squash (Jun 29), Pumpkin (Jun 29). |
| July | Last sowing dates: Cantaloupe (Jul 7), Celery (Jul 7), Melons (Jul 7), Spaghetti Squash (Jul 9), Tomato (Jul 12), Watermelon (Jul 12), +4 more. |
| August | Last sowing dates: Sunflowers (Aug 5), Brussel Sprouts (Aug 10), Pole Beans (Aug 10), Basil (Aug 15), Cosmos (Aug 15), Cucumber (Aug 15), +11 more. |
| September | Last sowing dates: Cabbage (Sep 9), Carrots (Sep 9), Beets (Sep 10), Dill (Sep 10), Swiss Chard (Sep 10), Calendula (Sep 15), +8 more. |
| October | Last sowing dates: Arugula (Oct 9), Spinach (Oct 9), Radish (Oct 10). |
| November | Direct sow from: Garlic (Nov 11). First frost around November 11. |
| December | Start indoors: Chives (Dec 26), Lavender (Dec 26), Onion (Dec 26), Rosemary (Dec 26). Last sowing dates: Garlic (Dec 2). |
Frequently Asked Questions
What is the last frost date for Hattiesburg, MS (ZIP 39406)?
The median last spring frost date for Hattiesburg, MS (ZIP code 39406) is around March 20. 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 2; one in ten it runs past April 7.
What is the first fall frost date in Hattiesburg, MS?
The median first fall frost date for Hattiesburg, MS is around November 11. 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 26 in the earliest one-in-ten years, so cover tomatoes and peppers from then.
How long is the growing season in Hattiesburg, MS?
The frost-free growing season in Hattiesburg is about 236 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 Hattiesburg (236 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 Hattiesburg, MS?
Hattiesburg, MS 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 Hattiesburg, MS?
Start tomatoes indoors Feb 13 and plant out Apr 3 in Hattiesburg. The planner uses the local median last frost and this crop's indoor-start and transplant offsets.
How many plantings of lettuce fit in Hattiesburg?
Two: plant Feb 20 and again by Sep 20; both mature before Nov 18.
When do I plant garlic in Hattiesburg?
Nov 11 to Dec 2; it overwinters and is ready the following summer.
Can I get two tomato crops in Hattiesburg?
Yes: plant out Apr 3 for a summer crop, and set out a second round of transplants by Jul 12 for a fall crop.
Which nearby ZIP has a longer season?
Hattiesburg (ZIP 39402) has 248 frost-free days, 12 more than Hattiesburg (ZIP 39406). See Hattiesburg ZIP 39402 frost dates
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