Frost Dates & Planting Calendars in Louisiana
Typical last spring frost, first fall frost, and growing-season length for 67 cities in Louisiana, based on NOAA 1991–2020 climate normals. Click a city for its full frost-date summary, monthly temperature chart, and 42-crop planting calendar.
| City | Last Spring Frost (typical) | First Fall Frost (typical) | Growing Season | USDA Zone |
|---|---|---|---|---|
| New Orleans | February 1 | December 31 | 330 days | 9b |
| Baton Rouge | February 28 | November 26 | 272 days | 9a |
| Shreveport | February 28 | November 24 | 268 days | 8b |
| Metairie Terrace | January 24 | January 2 | 341 days | 9b |
| Metairie | January 24 | January 2 | 341 days | 9b |
| Lafayette | February 13 | December 4 | 299 days | 9a |
| Lake Charles | February 14 | December 7 | 299 days | 9a |
| Bossier City | February 28 | November 24 | 268 days | 8b |
| Kenner | January 30 | December 31 | 333 days | 9b |
| Monroe | March 8 | November 15 | 253 days | 8b |
| Alexandria | February 27 | November 27 | 274 days | 9a |
| Houma | February 5 | December 17 | 312 days | 9b |
| Marrero | January 24 | January 2 | 341 days | 9b |
| New Iberia | February 10 | December 11 | 305 days | 9b |
| Laplace | February 9 | December 14 | 308 days | 9b |
| Central | February 25 | November 26 | 276 days | 9a |
| Slidell | February 24 | December 1 | 281 days | 9a |
| Prairieville | February 9 | December 13 | 308 days | 9a |
| Terrytown | February 1 | December 31 | 330 days | 9b |
| Ruston | March 11 | November 16 | 248 days | 8b |
| Hammond | March 8 | November 19 | 257 days | 9a |
| Harvey | February 1 | December 31 | 330 days | 9b |
| Sulphur | March 2 | November 25 | 267 days | 9a |
| Bayou Cane | February 5 | December 17 | 312 days | 9b |
| Shenandoah | February 28 | November 26 | 272 days | 9a |
| Natchitoches | February 28 | December 1 | 275 days | 9a |
| Gretna | February 1 | December 31 | 330 days | 9b |
| Chalmette | February 10 | December 17 | 309 days | 9b |
| Opelousas | February 28 | November 23 | 267 days | 9a |
| Zachary | February 25 | November 26 | 276 days | 9a |
| Estelle | February 10 | December 12 | 306 days | 9b |
| Thibodaux | February 5 | December 14 | 311 days | 9b |
| Pineville | February 27 | November 27 | 274 days | 9a |
| Bayou Boeuf | February 9 | December 14 | 308 days | 9b |
| Grand Bayou Mobile Home Park | February 5 | December 14 | 311 days | 9b |
| Baker | February 25 | November 26 | 276 days | 9a |
| River Ridge | January 30 | December 31 | 333 days | 9b |
| Crowley | February 20 | December 4 | 291 days | 9a |
| West Monroe | March 8 | November 15 | 253 days | 8b |
| Minden | March 17 | November 14 | 241 days | 8b |
| Belle Chasse | February 18 | December 6 | 295 days | 9b |
| Abbeville | February 17 | December 5 | 298 days | 9a |
| Mandeville | March 12 | November 18 | 253 days | 9a |
| Luling | January 30 | December 31 | 333 days | 9b |
| Woodmere | February 1 | December 31 | 330 days | 9b |
| Youngsville | February 19 | December 1 | 289 days | 9a |
| Bogalusa | March 2 | November 23 | 265 days | 9a |
| Morgan City | January 30 | January 1 | 335 days | 9b |
| Moss Bluff | March 2 | November 25 | 267 days | 9a |
| Destrehan | January 30 | December 31 | 333 days | 9b |
| Claiborne | March 8 | November 15 | 253 days | 8b |
| Broussard | February 13 | December 4 | 299 days | 9a |
| Jefferson | January 24 | January 2 | 341 days | 9b |
| DeRidder | March 1 | November 25 | 269 days | 9a |
| Bastrop | March 15 | November 12 | 241 days | 8b |
| Gonzales | February 9 | December 13 | 308 days | 9a |
| Gardere | February 28 | November 26 | 272 days | 9a |
| Eunice | February 26 | November 27 | 276 days | 9a |
| Timberlane | February 1 | December 31 | 330 days | 9b |
| Raceland | February 5 | December 14 | 311 days | 9b |
| Jennings | February 19 | December 4 | 292 days | 9a |
| Denham Springs | February 25 | November 26 | 276 days | 9a |
| Waggaman | January 24 | January 2 | 341 days | 9b |
| Covington | March 12 | November 18 | 253 days | 9a |
| Merrydale | February 25 | November 26 | 276 days | 9a |
| Reserve | February 9 | December 14 | 308 days | 9b |
| Harahan | January 30 | December 31 | 333 days | 9b |