Frost dates for 39406 — Hattiesburg, MS
Last spring frostMar 7median date
First fall frostNov 23median date
Growing season261 daysfrost-free
Hardiness zone8bZone 8b
How Hattiesburg compares
- In 8 years out of 10, the last spring frost in Hattiesburg falls between February 14 and March 26, a 40-day window. The first fall frost falls between November 5 and December 14.
- The median last frost is 10 days earlier than the Mississippi median of Mar 17.
- Its 261-day growing season is longer than 94% of the 435 Mississippi places with a regular frost season (state median 239 days).
- The last frost is 9 days earlier than the zone 8b median of Mar 16. Hardiness zones measure winter cold, not season length, so use these dates rather than a zone 8b chart.
- The weather station records an average of 32 nights a year at or below 32°F.
- Compared with Gulfport, MS, 87 km away, the last frost here is 12 days later than there and the growing season is 22 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | February 14 |
| 50% (median) | March 7 |
| 10% (safe for tender plants) | March 26 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | November 5 |
| 50% (median) | November 23 |
| 90% (late) | December 14 |
Frost here means 32°F (0°C). A median date means half of years have their last frost earlier and half later.
Planting calendar for Hattiesburg, MS
Frost dates for 39406 — Hattiesburg, MS — last frost Mar 7, first frost Nov 23, zone 8b. whenisthelastfrost.com
Crop
JFMAMJJASOND
Start indoors: Dec 13 to Dec 27Transplant outside: Feb 7 to Feb 21
Start indoors: Dec 27 to Jan 10Start indoors: Dec 27 to Jan 10Transplant outside: Mar 21 to Apr 4
Start indoors: Dec 27 to Jan 10Start indoors: Dec 27 to Jan 10Transplant outside: Mar 21 to Apr 4
Start indoors: Jan 10 to Jan 24Transplant outside: Mar 14 to Mar 28
Start indoors: Jan 10 to Jan 24Transplant outside: Feb 14 to Feb 28Sow outdoors: Feb 7 to Mar 14Plant for fall: Sep 28 to Oct 26
Start indoors: Jan 10 to Jan 24Transplant outside: Feb 7 to Feb 21Sow outdoors: Feb 7 to Feb 21Plant for fall: Sep 14 to Oct 5
Start indoors: Jan 10 to Jan 24Transplant outside: Feb 21 to Mar 7Plant for fall: Aug 17 to Sep 7
Start indoors: Jan 10 to Jan 24Transplant outside: Feb 14 to Feb 28Plant for fall: Aug 17 to Sep 7
Start indoors: Jan 10 to Jan 24Transplant outside: Feb 21 to Mar 7Plant for fall: Aug 17 to Sep 7
Start indoors: Jan 24 to Feb 7Transplant outside: Mar 28 to Apr 11Sow outdoors: Mar 28 to Apr 11
Start indoors: Jan 24 to Feb 7Transplant outside: Mar 14 to Mar 28
Sow outdoors: Jan 24 to Feb 14Plant for fall: Aug 31 to Sep 21
Sow outdoors: Jan 24 to Feb 14Plant for fall: Sep 28 to Oct 19
Sow outdoors: Jan 31 to Mar 14Plant for fall: Oct 12 to Nov 2
Start indoors: Feb 7 to Feb 14Transplant outside: Mar 21 to Mar 28Sow outdoors: Mar 14 to Mar 28Plant for fall: Sep 7 to Sep 21
Start indoors: Feb 7 to Feb 14Sow outdoors: Mar 14 to Mar 28Plant for fall: Sep 14 to Sep 28
Start indoors: Feb 7 to Feb 14Sow outdoors: Mar 14 to Mar 28
Start indoors: Feb 7 to Feb 14Transplant outside: Mar 21 to Apr 4
Sow outdoors: Feb 14 to Mar 14Plant for fall: Aug 31 to Sep 14
Sow outdoors: Feb 14 to Mar 14Plant for fall: Sep 14 to Sep 28
Sow outdoors: Feb 14 to Mar 7
Sow outdoors: Feb 21 to Mar 21Plant for fall: Sep 14 to Sep 28
Sow outdoors: Feb 21 to Mar 14Plant for fall: Sep 28 to Oct 19
Sow outdoors: Mar 14 to Apr 4Plant for fall: Sep 7 to Sep 21
Sow outdoors: Mar 14 to Mar 28
Transplant outside: Mar 21 to Apr 11
Plant for fall: Nov 9 to Dec 14
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Hattiesburg, MS
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Dec 13 – Dec 27 | Feb 7 – Feb 21 | — | — |
| Peppers | Dec 27 – Jan 10 | Mar 21 – Apr 4 | — | — |
| Eggplant | Dec 27 – Jan 10 | Mar 21 – Apr 4 | — | — |
| Tomatoes | Jan 10 – Jan 24 | Mar 14 – Mar 28 | — | — |
| Lettuce | Jan 10 – Jan 24 | Feb 14 – Feb 28 | Feb 7 – Mar 14 | Sep 28 – Oct 26 |
| Kale | Jan 10 – Jan 24 | Feb 7 – Feb 21 | Feb 7 – Feb 21 | Sep 14 – Oct 5 |
| Broccoli | Jan 10 – Jan 24 | Feb 21 – Mar 7 | — | Aug 17 – Sep 7 |
| Cabbage | Jan 10 – Jan 24 | Feb 14 – Feb 28 | — | Aug 17 – Sep 7 |
| Cauliflower | Jan 10 – Jan 24 | Feb 21 – Mar 7 | — | Aug 17 – Sep 7 |
| Okra | Jan 24 – Feb 7 | Mar 28 – Apr 11 | Mar 28 – Apr 11 | — |
| Basil | Jan 24 – Feb 7 | Mar 14 – Mar 28 | — | — |
| Peas | — | — | Jan 24 – Feb 14 | Aug 31 – Sep 21 |
| Spinach | — | — | Jan 24 – Feb 14 | Sep 28 – Oct 19 |
| Radishes | — | — | Jan 31 – Mar 14 | Oct 12 – Nov 2 |
| Cucumbers | Feb 7 – Feb 14 | Mar 21 – Mar 28 | Mar 14 – Mar 28 | Sep 7 – Sep 21 |
| Zucchini & Summer Squash | Feb 7 – Feb 14 | — | Mar 14 – Mar 28 | Sep 14 – Sep 28 |
| Winter Squash & Pumpkins | Feb 7 – Feb 14 | — | Mar 14 – Mar 28 | — |
| Melons & Watermelon | Feb 7 – Feb 14 | Mar 21 – Apr 4 | — | — |
| Carrots | — | — | Feb 14 – Mar 14 | Aug 31 – Sep 14 |
| Beets | — | — | Feb 14 – Mar 14 | Sep 14 – Sep 28 |
| Potatoes | — | — | Feb 14 – Mar 7 | — |
| Swiss Chard | — | — | Feb 21 – Mar 21 | Sep 14 – Sep 28 |
| Cilantro | — | — | Feb 21 – Mar 14 | Sep 28 – Oct 19 |
| Green Beans | — | — | Mar 14 – Apr 4 | Sep 7 – Sep 21 |
| Sweet Corn | — | — | Mar 14 – Mar 28 | — |
| Sweet Potatoes | — | Mar 21 – Apr 11 | — | — |
| Garlic | — | — | — | Nov 9 – Dec 14 |
Dates come from the median frost dates and common extension-service timing. Adjust for your soil temperature, microclimate and the varieties you grow.
About these dates
Based on 1991–2020 NOAA climate normals for the Hattiesburg 5sw, MS weather station, 10 km away (elevation 384 ft (117 m)).
ZIP codes in Hattiesburg: 39401 39402 39403 39404 39406 39407
Frost dates near Hattiesburg
- Purvis Mar 7 · Nov 23
- Petal Mar 8 · Nov 15
- Brooklyn Mar 14 · Nov 18
- Lumberton Mar 10 · Nov 21
- New Augusta Mar 18 · Nov 12
- Eastabuchie Mar 8 · Nov 15
- Sumrall Mar 7 · Nov 23
- Moselle Mar 8 · Nov 15
Frequently asked questions
When is the last frost in Hattiesburg, MS?
The median last spring frost in Hattiesburg, MS is March 7. There is still about a 10% chance of frost after March 26, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Hattiesburg, MS?
The median first fall frost is November 23, with about a 10% chance of frost before November 5.
How long is the growing season in Hattiesburg, MS?
About 261 days between the median last spring frost and first fall frost.
What planting zone is Hattiesburg, MS?
Hattiesburg, MS is in USDA hardiness zone 8b.