Birmingham, Alabama planting calendar and frost dates
Birmingham is in USDA hardiness zone 8b. The last spring frost typically comes around March 21 and the first fall frost around November 11, giving about 236 frost-free days a year.
- Typical last frost
- March 21
- Typical first frost
- November 11
- Frost-free season
- 236 days
Frost dates in Birmingham
Last spring frost
- February 28Risky: frost later than this in 9 years out of 10
- March 21Typical: a later frost in half of years
- April 8Safe: a later frost only 1 year in 10
First fall frost
- October 30Risky: frost earlier than this 1 year in 10
- November 11Typical: an earlier frost in half of years
- December 1Late: frost before this in 9 years out of 10
The growing season between the typical last and first frosts is about 236 days. Frost here means a low of 32°F at the weather station. A hard freeze (28°F), which damages most hardy crops too, typically ends around March 7 and returns around November 24.
NOAA U.S. Climate Normals 1991-2020 for Birmingham Airport, 4.5 miles NE of the city center. Low-lying and rural spots often frost later in spring and earlier in fall than airports and city centers.
What to plant each month in Birmingham
January
Start indoors: black-eyed susans, broccoli, cabbages, cauliflower, celery, chives, collard greens, eggplants, ginger, kale, leeks, lettuce, marigolds, onions, oregano, parsley, peppers, petunias, ranunculus, rosemary, sage, snapdragons
February
Start indoors: basil, black-eyed susans, cabbages, cantaloupes, celery, chives, cilantro, collard greens, eggplants, ginger, lettuce, marigolds, nasturtiums, peppers, ranunculus, sage, snapdragons, spinach, swiss chard, tomatoes, watermelons
Plant or sow outdoors: asparagus, beets, black-eyed susans, blackberries, blueberries, broccoli, cabbages, carrots, cauliflower, chives, cilantro, collard greens, figs, garlic, gladioli, grapes, grass seed, green onions, hollyhocks, kale, leeks, lettuce, onions, parsley, peas, poppies, potatoes, radishes, ranunculus, raspberries, rhubarb, roses, spinach, strawberries, swiss chard, turnips, wildflowers
March
Start indoors: cantaloupes, cosmos, cucumbers, okra, pumpkins, ranunculus, watermelons, winter squash, zucchini
Plant or sow outdoors: asparagus, beets, black-eyed susans, blackberries, broccoli, cabbages, carrots, cauliflower, chives, cilantro, dahlias, dill, figs, garden mums, ginger, gladioli, grapes, green onions, kentucky bluegrass, lavenders, leeks, lettuce, lilies, marigolds, mints, nasturtiums, onions, oregano, parsley, perennial ryegrass, petunias, potatoes, radishes, ranunculus, rosemary, roses, sage, snapdragons, spinach, sunflowers, sweet corn, sweet peas, swiss chard, tall fescue, thyme, turnips
April
Start indoors: zinnias
Plant or sow outdoors: asparagus, basil, bermudagrass, cantaloupes, celery, centipedegrass, cosmos, cucumbers, eggplants, garden mums, ginger, grapes, green beans, green onions, lavenders, lilies, marigolds, mints, nasturtiums, okra, oregano, parsley, peanuts, peppers, petunias, pumpkins, rosemary, sage, st. augustinegrass, sunflowers, sweet corn, sweet potatoes, thyme, tomatoes, watermelons, winter squash, zoysiagrass, zucchini
May
Plant or sow outdoors: bermudagrass, celery, centipedegrass, cosmos, green onions, okra, peanuts, st. augustinegrass, zinnias, zoysiagrass
July
August
Plant for fall: bearded irises, broccoli, brussels sprouts, carrots, collard greens, cucumbers, green beans, lettuce, peas, peppers, snapdragons, sweet corn, swiss chard, tomatoes, zucchini
September
Plant for fall: azaleas, bearded irises, beets, broccoli, cabbages, carrots, cauliflower, clematis, collard greens, coneflowers, crocuses, daffodils, daylilies, grass seed, hostas, hydrangeas, kale, kentucky bluegrass, lettuce, lilies, ornamental alliums, peas, peonies, perennial ryegrass, radishes, roses, saffron, snapdragons, spinach, swiss chard, tall fescue, tulips, turnips, zucchini
October
Plant for fall: cabbages, cauliflower, crocuses, daffodils, daylilies, grass seed, hostas, hyacinths, kale, kentucky bluegrass, lilies, ornamental alliums, peonies, perennial ryegrass, radishes, saffron, spinach, tall fescue, tulips
November
Start indoors: onions
Plant for fall: crocuses, daffodils, garlic, hyacinths, lilies, ornamental alliums, peonies, tulips
December
Start indoors: collard greens, leeks, onions, petunias, ranunculus
Frost dates and zones by ZIP code in Birmingham
All 12 of Birmingham's main ZIP codes take their frost dates from Birmingham Airport, so the dates on this page apply across the city. The hardiness zone is 8a in 35094, 35204, 35206, 35207, 35210, 35212, 35214, 35215, 35235, and 8b in 35211, 35224, 35242.
| ZIP code | Zone | Weather station | Typical last frost | Typical first frost |
|---|---|---|---|---|
| 35094 | 8a | Birmingham Airport, 4.5 mi NE | Mar 21 | Nov 11 |
| 35204 | 8a | Birmingham Airport, 4.5 mi NE | Mar 21 | Nov 11 |
| 35206 | 8a | Birmingham Airport, 4.5 mi NE | Mar 21 | Nov 11 |
| 35207 | 8a | Birmingham Airport, 4.5 mi NE | Mar 21 | Nov 11 |
| 35210 | 8a | Birmingham Airport, 4.5 mi NE | Mar 21 | Nov 11 |
| 35211 | 8b | Birmingham Airport, 4.5 mi NE | Mar 21 | Nov 11 |
| 35212 | 8a | Birmingham Airport, 4.5 mi NE | Mar 21 | Nov 11 |
| 35214 | 8a | Birmingham Airport, 4.5 mi NE | Mar 21 | Nov 11 |
| 35215 | 8a | Birmingham Airport, 4.5 mi NE | Mar 21 | Nov 11 |
| 35224 | 8b | Birmingham Airport, 4.5 mi NE | Mar 21 | Nov 11 |
| 35235 | 8a | Birmingham Airport, 4.5 mi NE | Mar 21 | Nov 11 |
| 35242 | 8b | Birmingham Airport, 4.5 mi NE | Mar 21 | Nov 11 |
Planting dates for popular crops in Birmingham
| Plant | Start indoors | Plant or sow outdoors | Fall planting |
|---|---|---|---|
| Tomatoes | Feb 5 to 19 | Apr 2 to 16 | Jul 29 to Aug 5 |
| Strawberries | — | Feb 7 to 21 | — |
| Lettuce | Jan 24 to Feb 7 | Mar 14 to 28 | Aug 12 to Sep 16 |
| Cilantro | Feb 7 to 21 | Mar 21 to 28 | — |
| Basil | Feb 12 to 26 | Apr 2 to 9 | — |
| Potatoes | — | Feb 28 to Mar 7 | Jul 22 to 29 |
| Garlic | — | Feb 7 to 21 | Nov 11 to 25 |
| Onions | Nov 29 to Jan 10 | Feb 21 to Mar 7 | — |
| Cucumbers | Mar 5 to 19 | Apr 2 to 16 | Aug 12 to 26 |
| Pumpkins | Mar 7 to 21 | Apr 4 to 18 | — |
| Peppers | Jan 15 to Feb 12 | Apr 2 to 16 | Jul 22 to Aug 19 |
| Carrots | — | Feb 28 to Mar 21 | Aug 19 to Sep 9 |
| Sweet Potatoes | — | Apr 22 to 29 | — |
| Watermelons | Feb 26 to Mar 12 | Apr 2 to 16 | — |
| Sweet Corn | — | Mar 21 to Apr 4 | Aug 5 to 19 |
| Green Beans | — | Apr 2 to 16 | Aug 19 to 26 |
| Zucchini | Mar 5 to 19 | Apr 2 to 16 | Aug 19 to Sep 2 |
| Broccoli | Jan 3 to 24 | Feb 21 to Mar 7 | Aug 26 to Sep 23 |
| Peas | — | Feb 7 to 21 | Aug 19 to Sep 2 |
| Spinach | Feb 7 to 14 | Mar 14 to 28 | Sep 2 to Oct 7 |
| Sunflowers | — | Mar 21 to Apr 11 | — |
| Zinnias | Apr 13 to 20 | May 11 to 25 | — |
| Tulips | — | — | Sep 30 to Nov 25 |
| Daffodils | — | — | Sep 30 to Nov 11 |
| Grass Seed | — | Feb 7 to 21 | Sep 30 to Oct 14 |
Nearby cities
- Hoover, AL zone 8a, last frost Mar 19
- Tuscaloosa, AL zone 8a, last frost Mar 16
- Decatur, AL zone 8a, last frost Mar 26
- Huntsville, AL zone 8a, last frost Mar 24
- Madison, AL zone 8a, last frost Mar 24
- Montgomery, AL zone 8b, last frost Mar 13
Planting in AlabamaAbout zone 8bPrintable calendar for Birmingham
Questions
When is the last frost in Birmingham?
Around March 21 in a typical year, based on NOAA's 1991-2020 records for Birmingham Airport. There is still a 1 in 10 chance of frost after April 8.
What planting zone is Birmingham in?
USDA hardiness zone 8b (2023 map), with parts of the city in zone 8a. The zone tells you which perennials survive the winter; planting dates depend on frost dates instead.
When should I plant tomatoes in Birmingham?
Start seeds indoors February 5 to 19 and set plants out April 2 to 16; the safest date to plant out is after April 8.
When is the first frost in Birmingham?
Around November 11 in a typical year, and before October 30 about 1 year in 10.