Jack, AL frost dates
How Jack compares
- In 8 years out of 10, the last spring frost in Jack falls between February 25 and April 3, a 37-day window. The first fall frost falls between November 1 and December 4.
- The median last frost is 6 days earlier than the Alabama median of Mar 23.
- Its 244-day growing season is longer than 71% of the 574 Alabama places with a regular frost season (state median 231 days).
- The last frost is typical for zone 8b, where the median is Mar 16.
- The weather station records an average of 40 nights a year at or below 32°F.
- Compared with Dothan, AL, 68 km away, the last frost here is 16 days later than there and the growing season is 24 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | February 25 |
| 50% (median) | March 17 |
| 10% (safe for tender plants) | April 3 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | November 1 |
| 50% (median) | November 16 |
| 90% (late) | December 4 |
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 Jack, AL
Jack, AL frost dates — last frost Mar 17, first frost Nov 16, zone 8b. whenisthelastfrost.com
When to plant vegetables in Jack, AL
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Dec 23 – Jan 6 | Feb 17 – Mar 3 | — | — |
| Peppers | Jan 6 – Jan 20 | Mar 31 – Apr 14 | — | — |
| Eggplant | Jan 6 – Jan 20 | Mar 31 – Apr 14 | — | — |
| Tomatoes | Jan 20 – Feb 3 | Mar 24 – Apr 7 | — | — |
| Lettuce | Jan 20 – Feb 3 | Feb 24 – Mar 10 | Feb 17 – Mar 24 | Sep 21 – Oct 19 |
| Kale | Jan 20 – Feb 3 | Feb 17 – Mar 3 | Feb 17 – Mar 3 | Sep 7 – Sep 28 |
| Broccoli | Jan 20 – Feb 3 | Mar 3 – Mar 17 | — | Aug 10 – Aug 31 |
| Cabbage | Jan 20 – Feb 3 | Feb 24 – Mar 10 | — | Aug 10 – Aug 31 |
| Cauliflower | Jan 20 – Feb 3 | Mar 3 – Mar 17 | — | Aug 10 – Aug 31 |
| Okra | Feb 3 – Feb 17 | Apr 7 – Apr 21 | Apr 7 – Apr 21 | — |
| Basil | Feb 3 – Feb 17 | Mar 24 – Apr 7 | — | — |
| Peas | — | — | Feb 3 – Feb 24 | Aug 24 – Sep 14 |
| Spinach | — | — | Feb 3 – Feb 24 | Sep 21 – Oct 12 |
| Radishes | — | — | Feb 10 – Mar 24 | Oct 5 – Oct 26 |
| Cucumbers | Feb 17 – Feb 24 | Mar 31 – Apr 7 | Mar 24 – Apr 7 | Aug 31 – Sep 14 |
| Zucchini & Summer Squash | Feb 17 – Feb 24 | — | Mar 24 – Apr 7 | Sep 7 – Sep 21 |
| Winter Squash & Pumpkins | Feb 17 – Feb 24 | — | Mar 24 – Apr 7 | — |
| Melons & Watermelon | Feb 17 – Feb 24 | Mar 31 – Apr 14 | — | — |
| Carrots | — | — | Feb 24 – Mar 24 | Aug 24 – Sep 7 |
| Beets | — | — | Feb 24 – Mar 24 | Sep 7 – Sep 21 |
| Potatoes | — | — | Feb 24 – Mar 17 | — |
| Swiss Chard | — | — | Mar 3 – Mar 31 | Sep 7 – Sep 21 |
| Cilantro | — | — | Mar 3 – Mar 24 | Sep 21 – Oct 12 |
| Green Beans | — | — | Mar 24 – Apr 14 | Aug 31 – Sep 14 |
| Sweet Corn | — | — | Mar 24 – Apr 7 | — |
| Sweet Potatoes | — | Mar 31 – Apr 21 | — | — |
| Garlic | — | — | — | Nov 2 – Dec 7 |
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 Troy 2 W, AL weather station, 25 km away (elevation 472 ft (144 m)).
Frost dates near Jack
- Elba Mar 9 · Nov 21
- Brundidge Mar 10 · Nov 21
- Glenwood Mar 17 · Nov 16
- New Brockton Mar 9 · Nov 21
- Troy Mar 17 · Nov 16
- Ariton Mar 10 · Nov 21
- Brantley Feb 28 · Nov 28
- Enterprise Mar 9 · Nov 21
- Goshen Mar 17 · Nov 16
- Luverne Mar 31 · Nov 5
Frequently asked questions
When is the last frost in Jack, AL?
The median last spring frost in Jack, AL is March 17. There is still about a 10% chance of frost after April 3, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Jack, AL?
The median first fall frost is November 16, with about a 10% chance of frost before November 1.
How long is the growing season in Jack, AL?
About 244 days between the median last spring frost and first fall frost.
What planting zone is Jack, AL?
Jack, AL is in USDA hardiness zone 8b.