Frost dates for 35615Belle Mina, AL
The average last spring frost in Belle Mina is March 31 and the average first fall frost is November 1, giving a typical growing season of about 214 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Mar 31
- Average first fall frost
- Nov 1
- Growing season
- 214 days
Safer after Apr 16 (1-in-10 risk)
Possible by Oct 19 (1-in-10 risk)
Last frost typically in 148 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 27 · Apr 11 · Apr 27 | Oct 10 · Oct 23 · Nov 4 | 194 days | 100% |
| Frost / freeze (32°F) | Mar 14 · Mar 31 · Apr 16 | Oct 19 · Nov 1 · Nov 15 | 214 days | 100% |
| Hard freeze (28°F) | Feb 28 · Mar 18 · Apr 4 | Oct 28 · Nov 10 · Dec 1 | 238 days | 100% |
Planting calendar for Belle Mina
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 28 – May 6 |
| Tomatoes | Transplant outdoors | Apr 16 – Jul 12 |
| Peppers | Start seeds indoors | Feb 28 – Mar 31 |
| Peppers | Transplant outdoors | Apr 30 – May 31 |
| Eggplant | Start seeds indoors | Mar 17 – Apr 15 |
| Eggplant | Transplant outdoors | Apr 30 – May 31 |
| Cucumbers | Sow outdoors | Apr 30 – Jul 22 |
| Summer squash | Sow outdoors | Apr 16 – May 31 |
| Winter squash & pumpkins | Sow outdoors | Apr 30 – May 31 |
| Snap beans | Sow outdoors | Apr 16 – Aug 14 |
| Sweet corn | Sow outdoors | Apr 16 – Jul 12 |
| Watermelon & cantaloupe | Sow outdoors | Apr 30 – May 31 |
| Okra | Sow outdoors | Apr 23 – May 16 |
| Peas | Sow outdoors (spring) | Feb 28 – Apr 15 |
| Potatoes | Plant outdoors (spring) | Feb 28 – Apr 30 |
| Onions | Start seeds indoors (spring) | Jan 17 – Feb 13 |
| Onions | Transplant outdoors (spring) | Mar 17 – Apr 15 |
| Broccoli | Start seeds indoors (spring) | Feb 10 – Mar 16 |
| Broccoli | Transplant outdoors (spring) | Mar 17 – Apr 15 |
| Broccoli | Start seeds indoors (fall) | Jul 2 – Jul 12 |
| Broccoli | Transplant outdoors (fall) | Aug 1 – Aug 12 |
| Cabbage | Start seeds indoors (spring) | Jan 31 – Feb 28 |
| Cabbage | Transplant outdoors (spring) | Feb 28 – Mar 31 |
| Cabbage | Start seeds indoors (fall) | Jun 22 – Jul 22 |
| Cabbage | Transplant outdoors (fall) | Jul 22 – Aug 22 |
| Leaf lettuce | Sow outdoors (spring) | Feb 28 – May 16 |
| Leaf lettuce | Sow outdoors (fall) | Jul 22 – Sep 7 |
| Spinach | Sow outdoors (spring) | Feb 21 – Apr 6 |
| Spinach | Sow outdoors (fall) | Aug 8 – Sep 12 |
| Radishes | Sow outdoors (spring) | Feb 28 – Apr 20 |
| Radishes | Sow outdoors (fall) | Jul 22 – Sep 22 |
| Kale | Sow outdoors (spring) | Mar 17 – Apr 6 |
| Kale | Sow outdoors (fall) | Jul 15 – Aug 22 |
| Carrots | Sow outdoors (spring) | Mar 31 – May 16 |
| Carrots | Sow outdoors (fall) | Jun 22 – Aug 7 |
| Garlic | Plant outdoors (fall) | Oct 22 – Nov 22 |
Where these dates come from
ZIP code 35615 is matched to the NOAA station Belle Mina 2 N, AL, 3.6 km away, at 603 ft elevation (6 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Belle Mina 2 N, AL (used) | 603 ft | Mar 31 | Nov 1 |
| Decatur Pryor Fld, AL | 592 ft | Mar 27 | Nov 3 |
| Huntsville Intl Ap, AL | 624 ft | Mar 24 | Nov 8 |
| Decatur 4Se, AL | 550 ft | Mar 26 | Nov 7 |
Frost dates near Belle Mina
- Mooresville, AL 35649 · last Mar 26, first Nov 7
- Madison, AL 35756 · last Mar 24, first Nov 8
- Tanner, AL 35671 · last Mar 27, first Nov 3
- Decatur, AL 35602 · last Mar 26, first Nov 7
- Huntsville, AL 35824 · last Mar 24, first Nov 8
- Capshaw, AL 35742 · last Mar 20, first Nov 12
- Athens, AL 35611 · last Mar 20, first Nov 12
- Somerville, AL 35670 · last Mar 24, first Nov 8
Frequently asked questions
- When is the last frost in Belle Mina, AL?
- For ZIP code 35615, the average last spring frost (32°F) is March 31, based on NOAA 1991-2020 climate normals for the Belle Mina 2 N, AL weather station. There is a 1-in-10 chance of a frost after April 16.
- When is the first frost in Belle Mina, AL?
- The average first fall frost (32°F) is November 1. There is a 1-in-10 chance of frost by October 19, so tender plants are at risk from that point on.
- How long is the growing season in 35615?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 214 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.