Frost dates for 35671Tanner, AL
The average last spring frost in Tanner is March 27 and the average first fall frost is November 3, giving a typical growing season of about 221 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Mar 27
- Average first fall frost
- Nov 3
- Growing season
- 221 days
Safer after Apr 10 (1-in-10 risk)
Possible by Oct 22 (1-in-10 risk)
First frost typically in 0 days
Frost risk by date
NOAA reports frost dates as probabilities. The middle date is the average (a 50% chance). For spring, the 10% date is a safer planting date: frost after it happens in about 1 year in 10. Light frost (36°F) can damage tender plants; a hard freeze (28°F) kills most annuals.
| Temperature | Last spring: 90% / 50% / 10% chance | First fall: 10% / 50% / 90% chance | Growing season (50%) | Years with at least one |
|---|---|---|---|---|
| Light frost (36°F) | Mar 22 · Apr 5 · Apr 20 | Oct 13 · Oct 25 · Nov 6 | 201 days | 100% |
| Frost / freeze (32°F) | Mar 8 · Mar 27 · Apr 10 | Oct 22 · Nov 3 · Nov 20 | 221 days | 100% |
| Hard freeze (28°F) | Feb 23 · Mar 14 · Apr 1 | Nov 1 · Nov 15 · Dec 4 | 245 days | 100% |
Planting calendar for Tanner
Planting windows from the University of Maryland Extension calendar, shifted to your average frost dates. Use them as a starting point and adjust for seed packet instructions and local conditions.
| Crop | Task | Window |
|---|---|---|
| Tomatoes | Start seeds indoors | Feb 24 – May 2 |
| Tomatoes | Transplant outdoors | Apr 12 – Jul 14 |
| Peppers | Start seeds indoors | Feb 24 – Mar 27 |
| Peppers | Transplant outdoors | Apr 26 – May 27 |
| Eggplant | Start seeds indoors | Mar 13 – Apr 11 |
| Eggplant | Transplant outdoors | Apr 26 – May 27 |
| Cucumbers | Sow outdoors | Apr 26 – Jul 24 |
| Summer squash | Sow outdoors | Apr 12 – May 27 |
| Winter squash & pumpkins | Sow outdoors | Apr 26 – May 27 |
| Snap beans | Sow outdoors | Apr 12 – Aug 16 |
| Sweet corn | Sow outdoors | Apr 12 – Jul 14 |
| Watermelon & cantaloupe | Sow outdoors | Apr 26 – May 27 |
| Okra | Sow outdoors | Apr 19 – May 12 |
| Peas | Sow outdoors (spring) | Feb 24 – Apr 11 |
| Potatoes | Plant outdoors (spring) | Feb 24 – Apr 26 |
| Onions | Start seeds indoors (spring) | Jan 13 – Feb 9 |
| Onions | Transplant outdoors (spring) | Mar 13 – Apr 11 |
| Broccoli | Start seeds indoors (spring) | Feb 6 – Mar 12 |
| Broccoli | Transplant outdoors (spring) | Mar 13 – Apr 11 |
| Broccoli | Start seeds indoors (fall) | Jul 4 – Jul 14 |
| Broccoli | Transplant outdoors (fall) | Aug 3 – Aug 14 |
| Cabbage | Start seeds indoors (spring) | Jan 27 – Feb 24 |
| Cabbage | Transplant outdoors (spring) | Feb 24 – Mar 27 |
| Cabbage | Start seeds indoors (fall) | Jun 24 – Jul 24 |
| Cabbage | Transplant outdoors (fall) | Jul 24 – Aug 24 |
| Leaf lettuce | Sow outdoors (spring) | Feb 24 – May 12 |
| Leaf lettuce | Sow outdoors (fall) | Jul 24 – Sep 9 |
| Spinach | Sow outdoors (spring) | Feb 17 – Apr 2 |
| Spinach | Sow outdoors (fall) | Aug 10 – Sep 14 |
| Radishes | Sow outdoors (spring) | Feb 24 – Apr 16 |
| Radishes | Sow outdoors (fall) | Jul 24 – Sep 24 |
| Kale | Sow outdoors (spring) | Mar 13 – Apr 2 |
| Kale | Sow outdoors (fall) | Jul 17 – Aug 24 |
| Carrots | Sow outdoors (spring) | Mar 27 – May 12 |
| Carrots | Sow outdoors (fall) | Jun 24 – Aug 9 |
| Garlic | Plant outdoors (fall) | Oct 24 – Nov 24 |
Where these dates come from
ZIP code 35671 is matched to the NOAA station Decatur Pryor Fld, AL, 3.4 km away, at 592 ft elevation (18 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Decatur Pryor Fld, AL (used) | 592 ft | Mar 27 | Nov 3 |
| Belle Mina 2 N, AL | 603 ft | Mar 31 | Nov 1 |
| Athens, AL | 689 ft | Mar 20 | Nov 12 |
| Decatur 4Se, AL | 550 ft | Mar 26 | Nov 7 |
Frost dates near Tanner
- Belle Mina, AL 35615 · last Mar 31, first Nov 1
- Decatur, AL 35602 · last Mar 26, first Nov 7
- Mooresville, AL 35649 · last Mar 26, first Nov 7
- Athens, AL 35612 · last Mar 20, first Nov 12
- Madison, AL 35756 · last Mar 24, first Nov 8
- Trinity, AL 35673 · last Mar 27, first Nov 3
- Capshaw, AL 35742 · last Mar 20, first Nov 12
- Hillsboro, AL 35643 · last Mar 28, first Nov 3
Frequently asked questions
- When is the last frost in Tanner, AL?
- For ZIP code 35671, the average last spring frost (32°F) is March 27, based on NOAA 1991-2020 climate normals for the Decatur Pryor Fld, AL weather station. There is a 1-in-10 chance of a frost after April 10.
- When is the first frost in Tanner, AL?
- The average first fall frost (32°F) is November 3. There is a 1-in-10 chance of frost by October 22, so tender plants are at risk from that point on.
- How long is the growing season in 35671?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 221 days long.
- Are these frost dates a forecast?
- No. They are 30-year averages and probabilities from NOAA weather station records. Use them to plan, then watch your local forecast before planting tender crops or leaving them uncovered.