Frost dates for 71275Simsboro, LA
The average last spring frost in Simsboro is March 11 and the average first fall frost is November 16, giving a typical growing season of about 248 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Mar 11
- Average first fall frost
- Nov 16
- Growing season
- 248 days
Safer after Mar 31 (1-in-10 risk)
Possible by Oct 31 (1-in-10 risk)
First frost typically in 13 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 6 · Mar 27 · Apr 14 | Oct 21 · Nov 4 · Nov 21 | 221 days | 100% |
| Frost / freeze (32°F) | Feb 18 · Mar 11 · Mar 31 | Oct 31 · Nov 16 · Dec 4 | 248 days | 100% |
| Hard freeze (28°F) | Jan 29 · Feb 24 · Mar 17 | Nov 10 · Dec 1 · Dec 26 | 280 days | 100% |
Planting calendar for Simsboro
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 8 – Apr 16 |
| Tomatoes | Transplant outdoors | Mar 27 – Jul 27 |
| Peppers | Start seeds indoors | Feb 8 – Mar 11 |
| Peppers | Transplant outdoors | Apr 10 – May 11 |
| Eggplant | Start seeds indoors | Feb 25 – Mar 26 |
| Eggplant | Transplant outdoors | Apr 10 – May 11 |
| Cucumbers | Sow outdoors | Apr 10 – Aug 6 |
| Summer squash | Sow outdoors | Mar 27 – May 11 |
| Winter squash & pumpkins | Sow outdoors | Apr 10 – May 11 |
| Snap beans | Sow outdoors | Mar 27 – Aug 29 |
| Sweet corn | Sow outdoors | Mar 27 – Jul 27 |
| Watermelon & cantaloupe | Sow outdoors | Apr 10 – May 11 |
| Okra | Sow outdoors | Apr 3 – Apr 26 |
| Peas | Sow outdoors (spring) | Feb 8 – Mar 26 |
| Potatoes | Plant outdoors (spring) | Feb 8 – Apr 10 |
| Onions | Start seeds indoors (spring) | Dec 28 – Jan 24 |
| Onions | Transplant outdoors (spring) | Feb 25 – Mar 26 |
| Broccoli | Start seeds indoors (spring) | Jan 21 – Feb 24 |
| Broccoli | Transplant outdoors (spring) | Feb 25 – Mar 26 |
| Broccoli | Start seeds indoors (fall) | Jul 17 – Jul 27 |
| Broccoli | Transplant outdoors (fall) | Aug 16 – Aug 27 |
| Cabbage | Start seeds indoors (spring) | Jan 11 – Feb 8 |
| Cabbage | Transplant outdoors (spring) | Feb 8 – Mar 11 |
| Cabbage | Start seeds indoors (fall) | Jul 7 – Aug 6 |
| Cabbage | Transplant outdoors (fall) | Aug 6 – Sep 6 |
| Leaf lettuce | Sow outdoors (spring) | Feb 8 – Apr 26 |
| Leaf lettuce | Sow outdoors (fall) | Aug 6 – Sep 22 |
| Spinach | Sow outdoors (spring) | Feb 1 – Mar 17 |
| Spinach | Sow outdoors (fall) | Aug 23 – Sep 27 |
| Radishes | Sow outdoors (spring) | Feb 8 – Mar 31 |
| Radishes | Sow outdoors (fall) | Aug 6 – Oct 7 |
| Kale | Sow outdoors (spring) | Feb 25 – Mar 17 |
| Kale | Sow outdoors (fall) | Jul 30 – Sep 6 |
| Carrots | Sow outdoors (spring) | Mar 11 – Apr 26 |
| Carrots | Sow outdoors (fall) | Jul 7 – Aug 22 |
| Garlic | Plant outdoors (fall) | Nov 6 – Dec 7 |
Where these dates come from
ZIP code 71275 is matched to the NOAA station Ruston La Tech, LA, 14.3 km away, at 295 ft elevation (17 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Ruston La Tech, LA (used) | 295 ft | Mar 11 | Nov 16 |
| Bienville 3 Ne, LA | 307 ft | Mar 19 | Nov 9 |
| Homer 1N, LA | 215 ft | Mar 30 | Nov 6 |
| Calhoun Rsch Stn, LA | 120 ft | Mar 28 | Nov 5 |
Frost dates near Simsboro
- Grambling, LA 71245 · last Mar 11, first Nov 16
- Arcadia, LA 71001 · last Mar 19, first Nov 9
- Ruston, LA 71272 · last Mar 11, first Nov 16
- Dubach, LA 71235 · last Mar 11, first Nov 16
- Quitman, LA 71268 · last Mar 11, first Nov 16
- Athens, LA 71003 · last Mar 30, first Nov 6
- Gibsland, LA 71028 · last Mar 19, first Nov 9
- Choudrant, LA 71227 · last Mar 11, first Nov 16
Frequently asked questions
- When is the last frost in Simsboro, LA?
- For ZIP code 71275, the average last spring frost (32°F) is March 11, based on NOAA 1991-2020 climate normals for the Ruston La Tech, LA weather station. There is a 1-in-10 chance of a frost after March 31.
- When is the first frost in Simsboro, LA?
- The average first fall frost (32°F) is November 16. There is a 1-in-10 chance of frost by October 31, so tender plants are at risk from that point on.
- How long is the growing season in 71275?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 248 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.