Louisiana frost dates by city
| City | Last frost (50%) | Safer date (10%) | First frost (50%) | Season |
|---|---|---|---|---|
| Baton Rouge | Feb 25 | Mar 19 | Nov 26 | 276 days |
| New Orleans | Frost uncommon | |||
| Shreveport | Mar 9 | Mar 29 | Nov 18 | 255 days |
Each city uses its nearest major NOAA weather station, usually the airport. Valleys, hilltops and rural spots can differ from it by one to three weeks. How to read these dates.