Tanner, AL frost dates
How Tanner compares
- In 8 years out of 10, the last spring frost in Tanner falls between March 8 and April 10, a 33-day window. The first fall frost falls between October 22 and November 20.
- The median last frost is 4 days later than the Alabama median of Mar 23.
- Its 221-day growing season is longer than 29% of the 574 Alabama places with a regular frost season (state median 231 days).
- The last frost is typical for zone 8a, where the median is Mar 29.
- The weather station records an average of 62 nights a year at or below 32°F.
- Compared with Decatur, AL, 10 km away, the last frost here is 1 day later than there and the growing season is 5 days shorter.
Frost probability
| Chance of frost after | Date |
|---|---|
| 90% (early) | March 8 |
| 50% (median) | March 27 |
| 10% (safe for tender plants) | April 10 |
| Chance of frost before | Date |
|---|---|
| 10% (early) | October 22 |
| 50% (median) | November 3 |
| 90% (late) | November 20 |
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 Tanner, AL
Tanner, AL frost dates — last frost Mar 27, first frost Nov 3, zone 8a. whenisthelastfrost.com
When to plant vegetables in Tanner, AL
| Crop | Start indoors | Transplant | Sow outdoors | Fall crop |
|---|---|---|---|---|
| Onions | Jan 2 – Jan 16 | Feb 27 – Mar 13 | — | — |
| Peppers | Jan 16 – Jan 30 | Apr 10 – Apr 24 | — | — |
| Eggplant | Jan 16 – Jan 30 | Apr 10 – Apr 24 | — | — |
| Tomatoes | Jan 30 – Feb 13 | Apr 3 – Apr 17 | — | — |
| Lettuce | Jan 30 – Feb 13 | Mar 6 – Mar 20 | Feb 27 – Apr 3 | Sep 8 – Oct 6 |
| Kale | Jan 30 – Feb 13 | Feb 27 – Mar 13 | Feb 27 – Mar 13 | Aug 25 – Sep 15 |
| Broccoli | Jan 30 – Feb 13 | Mar 13 – Mar 27 | — | Jul 28 – Aug 18 |
| Cabbage | Jan 30 – Feb 13 | Mar 6 – Mar 20 | — | Jul 28 – Aug 18 |
| Cauliflower | Jan 30 – Feb 13 | Mar 13 – Mar 27 | — | Jul 28 – Aug 18 |
| Okra | Feb 13 – Feb 27 | Apr 17 – May 1 | Apr 17 – May 1 | — |
| Basil | Feb 13 – Feb 27 | Apr 3 – Apr 17 | — | — |
| Peas | — | — | Feb 13 – Mar 6 | Aug 11 – Sep 1 |
| Spinach | — | — | Feb 13 – Mar 6 | Sep 8 – Sep 29 |
| Radishes | — | — | Feb 20 – Apr 3 | Sep 22 – Oct 13 |
| Cucumbers | Feb 27 – Mar 6 | Apr 10 – Apr 17 | Apr 3 – Apr 17 | Aug 18 – Sep 1 |
| Zucchini & Summer Squash | Feb 27 – Mar 6 | — | Apr 3 – Apr 17 | Aug 25 – Sep 8 |
| Winter Squash & Pumpkins | Feb 27 – Mar 6 | — | Apr 3 – Apr 17 | — |
| Melons & Watermelon | Feb 27 – Mar 6 | Apr 10 – Apr 24 | — | — |
| Carrots | — | — | Mar 6 – Apr 3 | Aug 11 – Aug 25 |
| Beets | — | — | Mar 6 – Apr 3 | Aug 25 – Sep 8 |
| Potatoes | — | — | Mar 6 – Mar 27 | — |
| Swiss Chard | — | — | Mar 13 – Apr 10 | Aug 25 – Sep 8 |
| Cilantro | — | — | Mar 13 – Apr 3 | Sep 8 – Sep 29 |
| Green Beans | — | — | Apr 3 – Apr 24 | Aug 18 – Sep 1 |
| Sweet Corn | — | — | Apr 3 – Apr 17 | — |
| Sweet Potatoes | — | Apr 10 – May 1 | — | — |
| Garlic | — | — | — | Oct 20 – Nov 24 |
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 Decatur Pryor Fld, AL weather station, 3 km away (elevation 591 ft (180 m)).
Frost dates near Tanner
- Belle Mina Mar 31 · Nov 1
- Mooresville Mar 31 · Nov 1
- Decatur Mar 26 · Nov 7
- Athens Mar 20 · Nov 12
- Trinity Mar 26 · Nov 7
- Madison Mar 24 · Nov 8
- Capshaw Mar 31 · Nov 1
- Hillsboro Mar 28 · Nov 3
- Somerville Mar 26 · Nov 7
- Harvest Mar 20 · Nov 12
Frequently asked questions
When is the last frost in Tanner, AL?
The median last spring frost in Tanner, AL is March 27. There is still about a 10% chance of frost after April 10, so wait until then to plant frost-tender crops like tomatoes and peppers.
When is the first frost in Tanner, AL?
The median first fall frost is November 3, with about a 10% chance of frost before October 22.
How long is the growing season in Tanner, AL?
About 221 days between the median last spring frost and first fall frost.
What planting zone is Tanner, AL?
Tanner, AL is in USDA hardiness zone 8a.