Frost dates for 36401Evergreen, AL
The average last spring frost in Evergreen is March 13 and the average first fall frost is November 19, giving a typical growing season of about 253 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Mar 13
- Average first fall frost
- Nov 19
- Growing season
- 253 days
Safer after Mar 31 (1-in-10 risk)
Possible by Nov 2 (1-in-10 risk)
First frost typically in 16 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 7 · Mar 28 · Apr 15 | Oct 24 · Nov 6 · Nov 25 | 227 days | 100% |
| Frost / freeze (32°F) | Feb 18 · Mar 13 · Mar 31 | Nov 2 · Nov 19 · Dec 9 | 253 days | 100% |
| Hard freeze (28°F) | Jan 31 · Feb 28 · Mar 21 | Nov 11 · Dec 3 · Jan 3 | 281 days | 100% |
Planting calendar for Evergreen
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 10 – Apr 18 |
| Tomatoes | Transplant outdoors | Mar 29 – Jul 30 |
| Peppers | Start seeds indoors | Feb 10 – Mar 13 |
| Peppers | Transplant outdoors | Apr 12 – May 13 |
| Eggplant | Start seeds indoors | Feb 27 – Mar 28 |
| Eggplant | Transplant outdoors | Apr 12 – May 13 |
| Cucumbers | Sow outdoors | Apr 12 – Aug 9 |
| Summer squash | Sow outdoors | Mar 29 – May 13 |
| Winter squash & pumpkins | Sow outdoors | Apr 12 – May 13 |
| Snap beans | Sow outdoors | Mar 29 – Sep 1 |
| Sweet corn | Sow outdoors | Mar 29 – Jul 30 |
| Watermelon & cantaloupe | Sow outdoors | Apr 12 – May 13 |
| Okra | Sow outdoors | Apr 5 – Apr 28 |
| Peas | Sow outdoors (spring) | Feb 10 – Mar 28 |
| Potatoes | Plant outdoors (spring) | Feb 10 – Apr 12 |
| Onions | Start seeds indoors (spring) | Dec 30 – Jan 26 |
| Onions | Transplant outdoors (spring) | Feb 27 – Mar 28 |
| Broccoli | Start seeds indoors (spring) | Jan 23 – Feb 26 |
| Broccoli | Transplant outdoors (spring) | Feb 27 – Mar 28 |
| Broccoli | Start seeds indoors (fall) | Jul 20 – Jul 30 |
| Broccoli | Transplant outdoors (fall) | Aug 19 – Aug 30 |
| Cabbage | Start seeds indoors (spring) | Jan 13 – Feb 10 |
| Cabbage | Transplant outdoors (spring) | Feb 10 – Mar 13 |
| Cabbage | Start seeds indoors (fall) | Jul 10 – Aug 9 |
| Cabbage | Transplant outdoors (fall) | Aug 9 – Sep 9 |
| Leaf lettuce | Sow outdoors (spring) | Feb 10 – Apr 28 |
| Leaf lettuce | Sow outdoors (fall) | Aug 9 – Sep 25 |
| Spinach | Sow outdoors (spring) | Feb 3 – Mar 19 |
| Spinach | Sow outdoors (fall) | Aug 26 – Sep 30 |
| Radishes | Sow outdoors (spring) | Feb 10 – Apr 2 |
| Radishes | Sow outdoors (fall) | Aug 9 – Oct 10 |
| Kale | Sow outdoors (spring) | Feb 27 – Mar 19 |
| Kale | Sow outdoors (fall) | Aug 2 – Sep 9 |
| Carrots | Sow outdoors (spring) | Mar 13 – Apr 28 |
| Carrots | Sow outdoors (fall) | Jul 10 – Aug 25 |
| Garlic | Plant outdoors (fall) | Nov 9 – Dec 10 |
Where these dates come from
ZIP code 36401 is matched to the NOAA station Evergreen, AL, 3 km away, at 290 ft elevation (5 ft higher than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Evergreen, AL (used) | 290 ft | Mar 13 | Nov 19 |
| Evergreen Middleton Fld, AL | 258 ft | Mar 10 | Nov 17 |
| Brewton 3 Nne, AL | 170 ft | Mar 14 | Nov 16 |
| Brewton 3 Ene, AL | 160 ft | Mar 15 | Nov 15 |
Frost dates near Evergreen
- Castleberry, AL 36432 · last Mar 10, first Nov 17
- Mc Kenzie, AL 36456 · last Mar 13, first Nov 19
- Repton, AL 36475 · last Mar 10, first Nov 17
- Brooklyn, AL 36429 · last Mar 25, first Nov 9
- Georgiana, AL 36033 · last Mar 28, first Nov 7
- Chapman, AL 36015 · last Mar 28, first Nov 7
- Lenox, AL 36454 · last Mar 10, first Nov 17
- Red Level, AL 36474 · last Mar 25, first Nov 9
Frequently asked questions
- When is the last frost in Evergreen, AL?
- For ZIP code 36401, the average last spring frost (32°F) is March 13, based on NOAA 1991-2020 climate normals for the Evergreen, AL weather station. There is a 1-in-10 chance of a frost after March 31.
- When is the first frost in Evergreen, AL?
- The average first fall frost (32°F) is November 19. There is a 1-in-10 chance of frost by November 2, so tender plants are at risk from that point on.
- How long is the growing season in 36401?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 253 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.