Louisiana frost dates: B
| City | Last frost | First frost | Season | Zone |
|---|---|---|---|---|
| Baker | Feb 25 | Nov 26 | 274 d | 9a |
| Baldwin | Feb 11 | Dec 8 | 300 d | 9b |
| Ball | Mar 16 | Nov 8 | 237 d | 9a |
| Barataria | Feb 10 | Dec 12 | 305 d | 9b |
| Barksdale Afb | Mar 6 | Nov 18 | 257 d | 8b |
| Basile | Feb 26 | Nov 27 | 274 d | 9a |
| Baskin | Mar 7 | Nov 13 | 251 d | 8b |
| Bastrop | Mar 15 | Nov 12 | 242 d | 8b |
| Batchelor | Mar 2 | Nov 24 | 267 d | 9a |
| Baton Rouge | Feb 25 | Nov 26 | 274 d | 9a |
| Belcher | Mar 6 | Nov 19 | 258 d | 8b |
| Bell City | Feb 14 | Dec 7 | 296 d | 9b |
| Belle Chasse | Feb 18 | Dec 6 | 291 d | 9b |
| Belle Rose | Feb 21 | Dec 5 | 287 d | 9a |
| Belmont | Mar 20 | Nov 9 | 234 d | 8b |
| Bentley | Mar 2 | Nov 17 | 260 d | 9a |
| Benton | Mar 14 | Nov 14 | 245 d | 8b |
| Bernice | Mar 14 | Nov 16 | 247 d | 8b |
| Berwick | Jan 30 | Jan 1 | 336 d | 9b |
| Bethany | Mar 6 | Nov 19 | 258 d | 8b |
| Bienville | Mar 19 | Nov 9 | 235 d | 8b |
| Blanchard | Feb 28 | Nov 24 | 269 d | 8b |
| Bogalusa | Mar 2 | Nov 23 | 266 d | 9a |
| Bonita | Mar 15 | Nov 12 | 242 d | 8b |
| Boothville | Jan 23 | Jan 9 | 351 d | 10a |
| Bordelonville | Feb 28 | Nov 24 | 269 d | 9a |
| Bossier City | Feb 28 | Nov 24 | 269 d | 8b |
| Bourg | Feb 5 | Dec 17 | 315 d | 9b |
| Boutte | Jan 30 | Dec 31 | 335 d | 9b |
| Boyce | Mar 2 | Nov 27 | 270 d | 9a |
| Braithwaite | Feb 18 | Dec 6 | 291 d | 9b |
| Branch | Feb 20 | Dec 4 | 287 d | 9a |
| Breaux Bridge | Feb 13 | Dec 4 | 294 d | 9a |
| Brittany | Feb 21 | Dec 5 | 287 d | 9a |
| Broussard | Feb 19 | Dec 1 | 285 d | 9a |
| Brusly | Feb 28 | Nov 24 | 269 d | 9a |
| Bunkie | Feb 28 | Nov 24 | 269 d | 9a |
| Buras | Jan 25 | Jan 4 | 344 d | 10a |
| Burnside | Feb 21 | Dec 5 | 287 d | 9a |
| Bush | Mar 12 | Nov 18 | 251 d | 9a |