Frost dates for 71427Flatwoods, LA
The average last spring frost in Flatwoods is March 2 and the average first fall frost is November 27, giving a typical growing season of about 271 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Mar 2
- Average first fall frost
- Nov 27
- Growing season
- 271 days
Safer after Mar 19 (1-in-10 risk)
Possible by Nov 7 (1-in-10 risk)
First frost typically in 24 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) | Feb 26 · Mar 15 · Apr 2 | Oct 30 · Nov 13 · Dec 2 | 244 days | 100% |
| Frost / freeze (32°F) | Feb 1 · Mar 2 · Mar 19 | Nov 7 · Nov 27 · Dec 17 | 271 days | 100% |
| Hard freeze (28°F) | Jan 12 · Feb 11 · Mar 8 | Nov 17 · Dec 14 · Jan 13 | 307 days | 98% |
Planting calendar for Flatwoods
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 | Jan 30 – Apr 7 |
| Tomatoes | Transplant outdoors | Mar 18 – Aug 7 |
| Peppers | Start seeds indoors | Jan 30 – Mar 2 |
| Peppers | Transplant outdoors | Apr 1 – May 2 |
| Eggplant | Start seeds indoors | Feb 16 – Mar 17 |
| Eggplant | Transplant outdoors | Apr 1 – May 2 |
| Cucumbers | Sow outdoors | Apr 1 – Aug 17 |
| Summer squash | Sow outdoors | Mar 18 – May 2 |
| Winter squash & pumpkins | Sow outdoors | Apr 1 – May 2 |
| Snap beans | Sow outdoors | Mar 18 – Sep 9 |
| Sweet corn | Sow outdoors | Mar 18 – Aug 7 |
| Watermelon & cantaloupe | Sow outdoors | Apr 1 – May 2 |
| Okra | Sow outdoors | Mar 25 – Apr 17 |
| Peas | Sow outdoors (spring) | Jan 30 – Mar 17 |
| Potatoes | Plant outdoors (spring) | Jan 30 – Apr 1 |
| Onions | Start seeds indoors (spring) | Dec 19 – Jan 15 |
| Onions | Transplant outdoors (spring) | Feb 16 – Mar 17 |
| Broccoli | Start seeds indoors (spring) | Jan 12 – Feb 15 |
| Broccoli | Transplant outdoors (spring) | Feb 16 – Mar 17 |
| Broccoli | Start seeds indoors (fall) | Jul 28 – Aug 7 |
| Broccoli | Transplant outdoors (fall) | Aug 27 – Sep 7 |
| Cabbage | Start seeds indoors (spring) | Jan 2 – Jan 30 |
| Cabbage | Transplant outdoors (spring) | Jan 30 – Mar 2 |
| Cabbage | Start seeds indoors (fall) | Jul 18 – Aug 17 |
| Cabbage | Transplant outdoors (fall) | Aug 17 – Sep 17 |
| Leaf lettuce | Sow outdoors (spring) | Jan 30 – Apr 17 |
| Leaf lettuce | Sow outdoors (fall) | Aug 17 – Oct 3 |
| Spinach | Sow outdoors (spring) | Jan 23 – Mar 8 |
| Spinach | Sow outdoors (fall) | Sep 3 – Oct 8 |
| Radishes | Sow outdoors (spring) | Jan 30 – Mar 22 |
| Radishes | Sow outdoors (fall) | Aug 17 – Oct 18 |
| Kale | Sow outdoors (spring) | Feb 16 – Mar 8 |
| Kale | Sow outdoors (fall) | Aug 10 – Sep 17 |
| Carrots | Sow outdoors (spring) | Mar 2 – Apr 17 |
| Carrots | Sow outdoors (fall) | Jul 18 – Sep 2 |
| Garlic | Plant outdoors (fall) | Nov 17 – Dec 18 |
Where these dates come from
ZIP code 71427 is matched to the NOAA station Boyce 3 Wnw, LA, 15.7 km away, at 110 ft elevation (166 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Boyce 3 Wnw, LA (used) | 110 ft | Mar 2 | Nov 27 |
| Ft Polk Fullerton Lndg Strip, LA | 310 ft | Mar 1 | Nov 23 |
| Alexandria Intl Ap, LA | 84 ft | Mar 2 | Nov 17 |
| Peason Ridge Range, LA | 365 ft | Mar 8 | Nov 18 |
Frost dates near Flatwoods
- Lena, LA 71447 · last Mar 2, first Nov 27
- Gorum, LA 71434 · last Mar 2, first Nov 27
- Mora, LA 71455 · last Mar 2, first Nov 27
- Cloutierville, LA 71416 · last Mar 2, first Nov 27
- Simpson, LA 71474 · last Mar 1, first Nov 23
- Boyce, LA 71409 · last Mar 2, first Nov 27
- Sieper, LA 71472 · last Mar 2, first Nov 27
- Otis, LA 71466 · last Mar 2, first Nov 27
Frequently asked questions
- When is the last frost in Flatwoods, LA?
- For ZIP code 71427, the average last spring frost (32°F) is March 2, based on NOAA 1991-2020 climate normals for the Boyce 3 Wnw, LA weather station. There is a 1-in-10 chance of a frost after March 19.
- When is the first frost in Flatwoods, LA?
- The average first fall frost (32°F) is November 27. There is a 1-in-10 chance of frost by November 7, so tender plants are at risk from that point on.
- How long is the growing season in 71427?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 271 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.