Sunflower, AL frost dates
Last spring frostMar 18median date
First fall frostNov 12median date
Growing season239 daysfrost-free
Hardiness zone8bZone 8b
How Sunflower compares
- In 8 years out of 10, the last spring frost in Sunflower falls between February 25 and April 6, a 40-day window. The first fall frost falls between October 29 and December 3.
- The median last frost is 5 days earlier than the Alabama median of Mar 23.
- Its 239-day growing season is longer than 66% 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 46 nights a year at or below 32°F.
- Compared with Mobile, AL, 77 km away, the last frost here is 25 days later than there and the growing season is 49 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | February 25 |
| 50% (median) | March 18 |
| 10% (safe for tender plants) | April 6 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 29 |
| 50% (median) | November 12 |
| 90% (late) | December 3 |
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 Sunflower, AL
Sunflower, AL frost dates — last frost Mar 18, first frost Nov 12, zone 8b. whenisthelastfrost.com
Crop
JFMAMJJASOND
Start indoors: Dec 24 to Jan 7Start indoors: Dec 24 to Jan 7Transplant outside: Feb 18 to Mar 4
Start indoors: Jan 7 to Jan 21Transplant outside: Apr 1 to Apr 15
Start indoors: Jan 7 to Jan 21Transplant outside: Apr 1 to Apr 15
Start indoors: Jan 21 to Feb 4Transplant outside: Mar 25 to Apr 8
Start indoors: Jan 21 to Feb 4Transplant outside: Feb 25 to Mar 11Sow outdoors: Feb 18 to Mar 25Plant for fall: Sep 17 to Oct 15
Start indoors: Jan 21 to Feb 4Transplant outside: Feb 18 to Mar 4Sow outdoors: Feb 18 to Mar 4Plant for fall: Sep 3 to Sep 24
Start indoors: Jan 21 to Feb 4Transplant outside: Mar 4 to Mar 18Plant for fall: Aug 6 to Aug 27
Start indoors: Jan 21 to Feb 4Transplant outside: Feb 25 to Mar 11Plant for fall: Aug 6 to Aug 27
Start indoors: Jan 21 to Feb 4Transplant outside: Mar 4 to Mar 18Plant for fall: Aug 6 to Aug 27
Start indoors: Feb 4 to Feb 18Transplant outside: Apr 8 to Apr 22Sow outdoors: Apr 8 to Apr 22
Start indoors: Feb 4 to Feb 18Transplant outside: Mar 25 to Apr 8
Sow outdoors: Feb 4 to Feb 25Plant for fall: Aug 20 to Sep 10
Sow outdoors: Feb 4 to Feb 25Plant for fall: Sep 17 to Oct 8
Sow outdoors: Feb 11 to Mar 25Plant for fall: Oct 1 to Oct 22
Start indoors: Feb 18 to Feb 25Transplant outside: Apr 1 to Apr 8Sow outdoors: Mar 25 to Apr 8Plant for fall: Aug 27 to Sep 10
Start indoors: Feb 18 to Feb 25Sow outdoors: Mar 25 to Apr 8Plant for fall: Sep 3 to Sep 17
Start indoors: Feb 18 to Feb 25Sow outdoors: Mar 25 to Apr 8
Start indoors: Feb 18 to Feb 25Transplant outside: Apr 1 to Apr 15
Sow outdoors: Feb 25 to Mar 25Plant for fall: Aug 20 to Sep 3
Sow outdoors: Feb 25 to Mar 25Plant for fall: Sep 3 to Sep 17
Sow outdoors: Feb 25 to Mar 18
Sow outdoors: Mar 4 to Apr 1Plant for fall: Sep 3 to Sep 17
Sow outdoors: Mar 4 to Mar 25Plant for fall: Sep 17 to Oct 8
Sow outdoors: Mar 25 to Apr 15Plant for fall: Aug 27 to Sep 10
Sow outdoors: Mar 25 to Apr 8
Transplant outside: Apr 1 to Apr 22
Plant for fall: Oct 29 to Dec 3
Start indoorsTransplant outsideSow outdoorsPlant for fallMedian frost dates
When to plant vegetables in Sunflower, AL
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Dec 24 – Jan 7 | Feb 18 – Mar 4 | — | — |
| Peppers | Jan 7 – Jan 21 | Apr 1 – Apr 15 | — | — |
| Eggplant | Jan 7 – Jan 21 | Apr 1 – Apr 15 | — | — |
| Tomatoes | Jan 21 – Feb 4 | Mar 25 – Apr 8 | — | — |
| Lettuce | Jan 21 – Feb 4 | Feb 25 – Mar 11 | Feb 18 – Mar 25 | Sep 17 – Oct 15 |
| Kale | Jan 21 – Feb 4 | Feb 18 – Mar 4 | Feb 18 – Mar 4 | Sep 3 – Sep 24 |
| Broccoli | Jan 21 – Feb 4 | Mar 4 – Mar 18 | — | Aug 6 – Aug 27 |
| Cabbage | Jan 21 – Feb 4 | Feb 25 – Mar 11 | — | Aug 6 – Aug 27 |
| Cauliflower | Jan 21 – Feb 4 | Mar 4 – Mar 18 | — | Aug 6 – Aug 27 |
| Okra | Feb 4 – Feb 18 | Apr 8 – Apr 22 | Apr 8 – Apr 22 | — |
| Basil | Feb 4 – Feb 18 | Mar 25 – Apr 8 | — | — |
| Peas | — | — | Feb 4 – Feb 25 | Aug 20 – Sep 10 |
| Spinach | — | — | Feb 4 – Feb 25 | Sep 17 – Oct 8 |
| Radishes | — | — | Feb 11 – Mar 25 | Oct 1 – Oct 22 |
| Cucumbers | Feb 18 – Feb 25 | Apr 1 – Apr 8 | Mar 25 – Apr 8 | Aug 27 – Sep 10 |
| Zucchini & Summer Squash | Feb 18 – Feb 25 | — | Mar 25 – Apr 8 | Sep 3 – Sep 17 |
| Winter Squash & Pumpkins | Feb 18 – Feb 25 | — | Mar 25 – Apr 8 | — |
| Melons & Watermelon | Feb 18 – Feb 25 | Apr 1 – Apr 15 | — | — |
| Carrots | — | — | Feb 25 – Mar 25 | Aug 20 – Sep 3 |
| Beets | — | — | Feb 25 – Mar 25 | Sep 3 – Sep 17 |
| Potatoes | — | — | Feb 25 – Mar 18 | — |
| Swiss Chard | — | — | Mar 4 – Apr 1 | Sep 3 – Sep 17 |
| Cilantro | — | — | Mar 4 – Mar 25 | Sep 17 – Oct 8 |
| Green Beans | — | — | Mar 25 – Apr 15 | Aug 27 – Sep 10 |
| Sweet Corn | — | — | Mar 25 – Apr 8 | — |
| Sweet Potatoes | — | Apr 1 – Apr 22 | — | — |
| Garlic | — | — | — | Oct 29 – Dec 3 |
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 Jackson, AL weather station, 19 km away (elevation 220 ft (67 m)).
Frost dates near Sunflower
- Wagarville Mar 26 · Nov 8
- Leroy Mar 18 · Nov 12
- Mc Intosh Mar 26 · Nov 8
- Tibbie Mar 26 · Nov 8
- Saint Stephens Mar 18 · Nov 12
- Malcolm Mar 18 · Nov 12
- Jackson Mar 18 · Nov 12
- Calvert Feb 28 · Nov 25
- Chatom Mar 26 · Nov 8
- Little River Feb 28 · Nov 27
Frequently asked questions
When is the last frost in Sunflower, AL?
The median last spring frost in Sunflower, AL is March 18. There is still about a 10% chance of frost after April 6, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Sunflower, AL?
The median first fall frost is November 12, with about a 10% chance of frost before October 29.
How long is the growing season in Sunflower, AL?
About 239 days between the median last spring frost and first fall frost.
What planting zone is Sunflower, AL?
Sunflower, AL is in USDA hardiness zone 8b.