Frost dates for 35224 — Birmingham, AL
How Birmingham compares
- In 8 years out of 10, the last spring frost in Birmingham falls between March 3 and April 11, a 39-day window. The first fall frost falls between October 27 and November 28.
- The median last frost is the same as the Alabama median of Mar 23.
- Its 232-day growing season is longer than 51% of the 574 Alabama places with a regular frost season (state median 231 days).
- The last frost is 7 days later 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 57 nights a year at or below 32°F.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | March 3 |
| 50% (median) | March 23 |
| 10% (safe for tender plants) | April 11 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 27 |
| 50% (median) | November 10 |
| 90% (late) | November 28 |
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 Birmingham, AL
Frost dates for 35224 — Birmingham, AL — last frost Mar 23, first frost Nov 10, zone 8b. whenisthelastfrost.com
When to plant vegetables in Birmingham, AL
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Dec 29 – Jan 12 | Feb 23 – Mar 9 | — | — |
| Peppers | Jan 12 – Jan 26 | Apr 6 – Apr 20 | — | — |
| Eggplant | Jan 12 – Jan 26 | Apr 6 – Apr 20 | — | — |
| Tomatoes | Jan 26 – Feb 9 | Mar 30 – Apr 13 | — | — |
| Lettuce | Jan 26 – Feb 9 | Mar 2 – Mar 16 | Feb 23 – Mar 30 | Sep 15 – Oct 13 |
| Kale | Jan 26 – Feb 9 | Feb 23 – Mar 9 | Feb 23 – Mar 9 | Sep 1 – Sep 22 |
| Broccoli | Jan 26 – Feb 9 | Mar 9 – Mar 23 | — | Aug 4 – Aug 25 |
| Cabbage | Jan 26 – Feb 9 | Mar 2 – Mar 16 | — | Aug 4 – Aug 25 |
| Cauliflower | Jan 26 – Feb 9 | Mar 9 – Mar 23 | — | Aug 4 – Aug 25 |
| Okra | Feb 9 – Feb 23 | Apr 13 – Apr 27 | Apr 13 – Apr 27 | — |
| Basil | Feb 9 – Feb 23 | Mar 30 – Apr 13 | — | — |
| Peas | — | — | Feb 9 – Mar 2 | Aug 18 – Sep 8 |
| Spinach | — | — | Feb 9 – Mar 2 | Sep 15 – Oct 6 |
| Radishes | — | — | Feb 16 – Mar 30 | Sep 29 – Oct 20 |
| Cucumbers | Feb 23 – Mar 2 | Apr 6 – Apr 13 | Mar 30 – Apr 13 | Aug 25 – Sep 8 |
| Zucchini & Summer Squash | Feb 23 – Mar 2 | — | Mar 30 – Apr 13 | Sep 1 – Sep 15 |
| Winter Squash & Pumpkins | Feb 23 – Mar 2 | — | Mar 30 – Apr 13 | — |
| Melons & Watermelon | Feb 23 – Mar 2 | Apr 6 – Apr 20 | — | — |
| Carrots | — | — | Mar 2 – Mar 30 | Aug 18 – Sep 1 |
| Beets | — | — | Mar 2 – Mar 30 | Sep 1 – Sep 15 |
| Potatoes | — | — | Mar 2 – Mar 23 | — |
| Swiss Chard | — | — | Mar 9 – Apr 6 | Sep 1 – Sep 15 |
| Cilantro | — | — | Mar 9 – Mar 30 | Sep 15 – Oct 6 |
| Green Beans | — | — | Mar 30 – Apr 20 | Aug 25 – Sep 8 |
| Sweet Corn | — | — | Mar 30 – Apr 13 | — |
| Sweet Potatoes | — | Apr 6 – Apr 27 | — | — |
| Garlic | — | — | — | Oct 27 – Dec 1 |
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 Bessemer 3 Wsw, AL weather station, 15 km away (elevation 446 ft (136 m)).
ZIP codes in Birmingham: 35201 35202 35203 35204 35205 35206 35207 35208 35209 35210 35211 35212 35213 35214 35215 35216 35217 35218 35219 35220 35221 35222 35223 35224 35226 35228 35229 35231 35232 35233 35234 35235 35236 35237 35238 35242 35243 35244 35246 35249 35253 35254 35255 35259 35260 35261 35266 35270 35282 35283 35285 35287 35288 35290 35291 35292 35293 35294 35295 35296 …
Frost dates near Birmingham
- Watson Mar 21 · Nov 11
- Docena Mar 21 · Nov 11
- Fairfield Mar 23 · Nov 10
- Pleasant Grove Mar 23 · Nov 10
- Dolomite Mar 23 · Nov 10
- Adamsville Mar 21 · Nov 11
- Bessemer Mar 23 · Nov 10
- Mulga Mar 23 · Nov 10
Frequently asked questions
When is the last frost in Birmingham, AL?
The median last spring frost in Birmingham, AL is March 23. There is still about a 10% chance of frost after April 11, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Birmingham, AL?
The median first fall frost is November 10, with about a 10% chance of frost before October 27.
How long is the growing season in Birmingham, AL?
About 232 days between the median last spring frost and first fall frost.
What planting zone is Birmingham, AL?
Birmingham, AL is in USDA hardiness zone 8b.