Frost dates for 36671 — Mobile, AL
Last spring frostMar 3median date
First fall frostNov 25median date
Growing season267 daysfrost-free
Hardiness zone9aZone 9a
How Mobile compares
- In 8 years out of 10, the last spring frost in Mobile falls between February 6 and March 21, a 43-day window. The first fall frost falls between November 8 and December 22.
- The median last frost is 20 days earlier than the Alabama median of Mar 23.
- Its 267-day growing season is longer than 93% of the 574 Alabama places with a regular frost season (state median 231 days).
- The last frost is typical for zone 9a, where the median is Mar 3.
- The weather station records an average of 21 nights a year at or below 32°F.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | February 6 |
| 50% (median) | March 3 |
| 10% (safe for tender plants) | March 21 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | November 8 |
| 50% (median) | November 25 |
| 90% (late) | December 22 |
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 Mobile, AL
Frost dates for 36671 — Mobile, AL — last frost Mar 3, first frost Nov 25, zone 9a. whenisthelastfrost.com
Crop
JFMAMJJASOND
Start indoors: Dec 9 to Dec 23Transplant outside: Feb 3 to Feb 17
Start indoors: Dec 23 to Jan 6Start indoors: Dec 23 to Jan 6Transplant outside: Mar 17 to Mar 31
Start indoors: Dec 23 to Jan 6Start indoors: Dec 23 to Jan 6Transplant outside: Mar 17 to Mar 31
Start indoors: Jan 6 to Jan 20Transplant outside: Mar 10 to Mar 24
Start indoors: Jan 6 to Jan 20Transplant outside: Feb 10 to Feb 24Sow outdoors: Feb 3 to Mar 10Plant for fall: Sep 30 to Oct 28
Start indoors: Jan 6 to Jan 20Transplant outside: Feb 3 to Feb 17Sow outdoors: Feb 3 to Feb 17Plant for fall: Sep 16 to Oct 7
Start indoors: Jan 6 to Jan 20Transplant outside: Feb 17 to Mar 3Plant for fall: Aug 19 to Sep 9
Start indoors: Jan 6 to Jan 20Transplant outside: Feb 10 to Feb 24Plant for fall: Aug 19 to Sep 9
Start indoors: Jan 6 to Jan 20Transplant outside: Feb 17 to Mar 3Plant for fall: Aug 19 to Sep 9
Start indoors: Jan 20 to Feb 3Transplant outside: Mar 24 to Apr 7Sow outdoors: Mar 24 to Apr 7
Start indoors: Jan 20 to Feb 3Transplant outside: Mar 10 to Mar 24
Sow outdoors: Jan 20 to Feb 10Plant for fall: Sep 2 to Sep 23
Sow outdoors: Jan 20 to Feb 10Plant for fall: Sep 30 to Oct 21
Sow outdoors: Jan 27 to Mar 10Plant for fall: Oct 14 to Nov 4
Start indoors: Feb 3 to Feb 10Transplant outside: Mar 17 to Mar 24Sow outdoors: Mar 10 to Mar 24Plant for fall: Sep 9 to Sep 23
Start indoors: Feb 3 to Feb 10Sow outdoors: Mar 10 to Mar 24Plant for fall: Sep 16 to Sep 30
Start indoors: Feb 3 to Feb 10Sow outdoors: Mar 10 to Mar 24
Start indoors: Feb 3 to Feb 10Transplant outside: Mar 17 to Mar 31
Sow outdoors: Feb 10 to Mar 10Plant for fall: Sep 2 to Sep 16
Sow outdoors: Feb 10 to Mar 10Plant for fall: Sep 16 to Sep 30
Sow outdoors: Feb 10 to Mar 3
Sow outdoors: Feb 17 to Mar 17Plant for fall: Sep 16 to Sep 30
Sow outdoors: Feb 17 to Mar 10Plant for fall: Sep 30 to Oct 21
Sow outdoors: Mar 10 to Mar 31Plant for fall: Sep 9 to Sep 23
Sow outdoors: Mar 10 to Mar 24
Transplant outside: Mar 17 to Apr 7
Plant for fall: Nov 11 to Dec 16
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Mobile, AL
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Dec 9 – Dec 23 | Feb 3 – Feb 17 | — | — |
| Peppers | Dec 23 – Jan 6 | Mar 17 – Mar 31 | — | — |
| Eggplant | Dec 23 – Jan 6 | Mar 17 – Mar 31 | — | — |
| Tomatoes | Jan 6 – Jan 20 | Mar 10 – Mar 24 | — | — |
| Lettuce | Jan 6 – Jan 20 | Feb 10 – Feb 24 | Feb 3 – Mar 10 | Sep 30 – Oct 28 |
| Kale | Jan 6 – Jan 20 | Feb 3 – Feb 17 | Feb 3 – Feb 17 | Sep 16 – Oct 7 |
| Broccoli | Jan 6 – Jan 20 | Feb 17 – Mar 3 | — | Aug 19 – Sep 9 |
| Cabbage | Jan 6 – Jan 20 | Feb 10 – Feb 24 | — | Aug 19 – Sep 9 |
| Cauliflower | Jan 6 – Jan 20 | Feb 17 – Mar 3 | — | Aug 19 – Sep 9 |
| Okra | Jan 20 – Feb 3 | Mar 24 – Apr 7 | Mar 24 – Apr 7 | — |
| Basil | Jan 20 – Feb 3 | Mar 10 – Mar 24 | — | — |
| Peas | — | — | Jan 20 – Feb 10 | Sep 2 – Sep 23 |
| Spinach | — | — | Jan 20 – Feb 10 | Sep 30 – Oct 21 |
| Radishes | — | — | Jan 27 – Mar 10 | Oct 14 – Nov 4 |
| Cucumbers | Feb 3 – Feb 10 | Mar 17 – Mar 24 | Mar 10 – Mar 24 | Sep 9 – Sep 23 |
| Zucchini & Summer Squash | Feb 3 – Feb 10 | — | Mar 10 – Mar 24 | Sep 16 – Sep 30 |
| Winter Squash & Pumpkins | Feb 3 – Feb 10 | — | Mar 10 – Mar 24 | — |
| Melons & Watermelon | Feb 3 – Feb 10 | Mar 17 – Mar 31 | — | — |
| Carrots | — | — | Feb 10 – Mar 10 | Sep 2 – Sep 16 |
| Beets | — | — | Feb 10 – Mar 10 | Sep 16 – Sep 30 |
| Potatoes | — | — | Feb 10 – Mar 3 | — |
| Swiss Chard | — | — | Feb 17 – Mar 17 | Sep 16 – Sep 30 |
| Cilantro | — | — | Feb 17 – Mar 10 | Sep 30 – Oct 21 |
| Green Beans | — | — | Mar 10 – Mar 31 | Sep 9 – Sep 23 |
| Sweet Corn | — | — | Mar 10 – Mar 24 | — |
| Sweet Potatoes | — | Mar 17 – Apr 7 | — | — |
| Garlic | — | — | — | Nov 11 – Dec 16 |
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 Mobile, AL weather station, 6 km away (elevation 207 ft (63 m)).
ZIP codes in Mobile: 36601 36602 36603 36604 36605 36606 36607 36608 36609 36610 36611 36612 36615 36616 36617 36618 36619 36628 36633 36640 36641 36644 36652 36660 36663 36670 36671 36675 36685 36688 36689 36691 36693 36695
Frost dates near Mobile
- Semmes Mar 3 · Nov 25
- Eight Mile Mar 3 · Nov 25
- Theodore Mar 13 · Nov 24
- Saint Elmo Mar 13 · Nov 24
- Irvington Mar 13 · Nov 24
- Saraland Mar 3 · Nov 25
- Wilmer Mar 3 · Nov 25
- Grand Bay Mar 13 · Nov 24
Frequently asked questions
When is the last frost in Mobile, AL?
The median last spring frost in Mobile, AL is March 3. There is still about a 10% chance of frost after March 21, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Mobile, AL?
The median first fall frost is November 25, with about a 10% chance of frost before November 8.
How long is the growing season in Mobile, AL?
About 267 days between the median last spring frost and first fall frost.
What planting zone is Mobile, AL?
Mobile, AL is in USDA hardiness zone 9a.