Last frost date in Bossier City, LA
In Bossier City, the last spring frost comes around February 28 in an average year. Wait until March 19 if you want 90% odds of no more frost. The first fall frost usually arrives about November 24, which leaves 268 frost-free days. An early freeze before November 7 happens one year in ten.
- Safe after (10% risk)
- Mar 19
- Average first frost
- Nov 24
- Frost-free season
- 268 days
- Hard freeze (28°F) ends
- Feb 11
No frost in the next 7 nights
National Weather Service forecast, updated Oct 22, 12:57 UTC
- ThuOct 2252°
- FriOct 2354°
- SatOct 2452°
- SunOct 2554°
- MonOct 2654°
- TueOct 2754°
- WedOct 2853°
Planting calendar for Bossier City
Windows count forward or back from the average frost dates above. Click a crop for dates across Louisiana.
Frost probabilities
| Threshold | Spring, 90% chance later | Spring, 50% | Spring, 10% | Fall, 10% chance earlier | Fall, 50% | Fall, 90% |
|---|---|---|---|---|---|---|
| Light frost, 32°F | Feb 4 | Feb 28 | Mar 19 | Nov 7 | Nov 24 | Dec 14 |
| Hard freeze, 28°F | Jan 16 | Feb 11 | Mar 7 | Nov 17 | Dec 10 | Jan 7 |
Read the spring 10% column as the date after which only one year in ten still gets frost. That is the safer date for tomatoes, peppers and basil.
Where these numbers come from
NOAA station Shreveport Dwtn Airport (USW00053905) sits 5.4 miles from the center of Bossier City at 179 feet. Its averages cover 1991 to 2020. Low spots, valleys and open fields can keep getting frost a week or two after the station stops; city centers and lakeshores usually get less of it.
Questions
When is the last frost in Bossier City, LA?
The average last frost date in Bossier City is February 28, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after March 19.
When is the first frost in Bossier City?
The first frost in fall usually comes around November 24. One year in ten it arrives before November 7.
How long is the growing season in Bossier City?
About 268 days between the average last and first frost.
When should I plant tomatoes in Bossier City?
Plant tomato seedlings outside from March 7 to March 21. Start seeds indoors six to eight weeks earlier.
Nearby in Louisiana
- ShreveportMar 9
- RustonMar 11
- MonroeMar 8
- AlexandriaFeb 27
- SulphurFeb 14
- Lake CharlesFeb 14
- LafayetteFeb 26
- ZacharyFeb 25
- New IberiaFeb 10
- CentralFeb 25
- Baton RougeFeb 28
- St. GeorgeFeb 28