Frost dates for 39648 — Mccomb, MS
Last spring frostMar 11median date
First fall frostNov 18median date
Growing season252 daysfrost-free
Hardiness zone8bZone 8b
How Mccomb compares
- In 8 years out of 10, the last spring frost in Mccomb falls between February 17 and April 2, a 44-day window. The first fall frost falls between November 1 and December 7.
- The median last frost is 6 days earlier than the Mississippi median of Mar 17.
- Its 252-day growing season is longer than 80% of the 435 Mississippi places with a regular frost season (state median 239 days).
- The last frost is 5 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 30 nights a year at or below 32°F.
- Compared with Baton Rouge, LA, 103 km away, the last frost here is 14 days later than there and the growing season is 22 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | February 17 |
| 50% (median) | March 11 |
| 10% (safe for tender plants) | April 2 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | November 1 |
| 50% (median) | November 18 |
| 90% (late) | December 7 |
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 Mccomb, MS
Frost dates for 39648 — Mccomb, MS — last frost Mar 11, first frost Nov 18, zone 8b. whenisthelastfrost.com
Crop
JFMAMJJASOND
Start indoors: Dec 17 to Dec 31Transplant outside: Feb 11 to Feb 25
Start indoors: Dec 31 to Jan 14Start indoors: Dec 31 to Jan 14Transplant outside: Mar 25 to Apr 8
Start indoors: Dec 31 to Jan 14Start indoors: Dec 31 to Jan 14Transplant outside: Mar 25 to Apr 8
Start indoors: Jan 14 to Jan 28Transplant outside: Mar 18 to Apr 1
Start indoors: Jan 14 to Jan 28Transplant outside: Feb 18 to Mar 4Sow outdoors: Feb 11 to Mar 18Plant for fall: Sep 23 to Oct 21
Start indoors: Jan 14 to Jan 28Transplant outside: Feb 11 to Feb 25Sow outdoors: Feb 11 to Feb 25Plant for fall: Sep 9 to Sep 30
Start indoors: Jan 14 to Jan 28Transplant outside: Feb 25 to Mar 11Plant for fall: Aug 12 to Sep 2
Start indoors: Jan 14 to Jan 28Transplant outside: Feb 18 to Mar 4Plant for fall: Aug 12 to Sep 2
Start indoors: Jan 14 to Jan 28Transplant outside: Feb 25 to Mar 11Plant for fall: Aug 12 to Sep 2
Start indoors: Jan 28 to Feb 11Transplant outside: Apr 1 to Apr 15Sow outdoors: Apr 1 to Apr 15
Start indoors: Jan 28 to Feb 11Transplant outside: Mar 18 to Apr 1
Sow outdoors: Jan 28 to Feb 18Plant for fall: Aug 26 to Sep 16
Sow outdoors: Jan 28 to Feb 18Plant for fall: Sep 23 to Oct 14
Sow outdoors: Feb 4 to Mar 18Plant for fall: Oct 7 to Oct 28
Start indoors: Feb 11 to Feb 18Transplant outside: Mar 25 to Apr 1Sow outdoors: Mar 18 to Apr 1Plant for fall: Sep 2 to Sep 16
Start indoors: Feb 11 to Feb 18Sow outdoors: Mar 18 to Apr 1Plant for fall: Sep 9 to Sep 23
Start indoors: Feb 11 to Feb 18Sow outdoors: Mar 18 to Apr 1
Start indoors: Feb 11 to Feb 18Transplant outside: Mar 25 to Apr 8
Sow outdoors: Feb 18 to Mar 18Plant for fall: Aug 26 to Sep 9
Sow outdoors: Feb 18 to Mar 18Plant for fall: Sep 9 to Sep 23
Sow outdoors: Feb 18 to Mar 11
Sow outdoors: Feb 25 to Mar 25Plant for fall: Sep 9 to Sep 23
Sow outdoors: Feb 25 to Mar 18Plant for fall: Sep 23 to Oct 14
Sow outdoors: Mar 18 to Apr 8Plant for fall: Sep 2 to Sep 16
Sow outdoors: Mar 18 to Apr 1
Transplant outside: Mar 25 to Apr 15
Plant for fall: Nov 4 to Dec 9
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Mccomb, MS
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Dec 17 – Dec 31 | Feb 11 – Feb 25 | — | — |
| Peppers | Dec 31 – Jan 14 | Mar 25 – Apr 8 | — | — |
| Eggplant | Dec 31 – Jan 14 | Mar 25 – Apr 8 | — | — |
| Tomatoes | Jan 14 – Jan 28 | Mar 18 – Apr 1 | — | — |
| Lettuce | Jan 14 – Jan 28 | Feb 18 – Mar 4 | Feb 11 – Mar 18 | Sep 23 – Oct 21 |
| Kale | Jan 14 – Jan 28 | Feb 11 – Feb 25 | Feb 11 – Feb 25 | Sep 9 – Sep 30 |
| Broccoli | Jan 14 – Jan 28 | Feb 25 – Mar 11 | — | Aug 12 – Sep 2 |
| Cabbage | Jan 14 – Jan 28 | Feb 18 – Mar 4 | — | Aug 12 – Sep 2 |
| Cauliflower | Jan 14 – Jan 28 | Feb 25 – Mar 11 | — | Aug 12 – Sep 2 |
| Okra | Jan 28 – Feb 11 | Apr 1 – Apr 15 | Apr 1 – Apr 15 | — |
| Basil | Jan 28 – Feb 11 | Mar 18 – Apr 1 | — | — |
| Peas | — | — | Jan 28 – Feb 18 | Aug 26 – Sep 16 |
| Spinach | — | — | Jan 28 – Feb 18 | Sep 23 – Oct 14 |
| Radishes | — | — | Feb 4 – Mar 18 | Oct 7 – Oct 28 |
| Cucumbers | Feb 11 – Feb 18 | Mar 25 – Apr 1 | Mar 18 – Apr 1 | Sep 2 – Sep 16 |
| Zucchini & Summer Squash | Feb 11 – Feb 18 | — | Mar 18 – Apr 1 | Sep 9 – Sep 23 |
| Winter Squash & Pumpkins | Feb 11 – Feb 18 | — | Mar 18 – Apr 1 | — |
| Melons & Watermelon | Feb 11 – Feb 18 | Mar 25 – Apr 8 | — | — |
| Carrots | — | — | Feb 18 – Mar 18 | Aug 26 – Sep 9 |
| Beets | — | — | Feb 18 – Mar 18 | Sep 9 – Sep 23 |
| Potatoes | — | — | Feb 18 – Mar 11 | — |
| Swiss Chard | — | — | Feb 25 – Mar 25 | Sep 9 – Sep 23 |
| Cilantro | — | — | Feb 25 – Mar 18 | Sep 23 – Oct 14 |
| Green Beans | — | — | Mar 18 – Apr 8 | Sep 2 – Sep 16 |
| Sweet Corn | — | — | Mar 18 – Apr 1 | — |
| Sweet Potatoes | — | Mar 25 – Apr 15 | — | — |
| Garlic | — | — | — | Nov 4 – Dec 9 |
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 Mccomb/Pike Co/John E Lewis Ap, MS weather station, 7 km away (elevation 413 ft (126 m)).
ZIP codes in Mccomb: 39648 39649
Frost dates near Mccomb
- Fernwood Mar 11 · Nov 18
- Magnolia Mar 11 · Nov 18
- Chatawa Mar 11 · Nov 18
- Summit Mar 11 · Nov 18
- Osyka Mar 11 · Nov 18
- Ruth Mar 17 · Nov 12
- Tylertown Mar 15 · Nov 16
- Liberty Mar 25 · Nov 8
Frequently asked questions
When is the last frost in Mccomb, MS?
The median last spring frost in Mccomb, MS is March 11. There is still about a 10% chance of frost after April 2, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Mccomb, MS?
The median first fall frost is November 18, with about a 10% chance of frost before November 1.
How long is the growing season in Mccomb, MS?
About 252 days between the median last spring frost and first fall frost.
What planting zone is Mccomb, MS?
Mccomb, MS is in USDA hardiness zone 8b.