Frost dates by state
Louisiana Frost Dates
Among Louisiana's cities and towns that get frost every year, the average last spring frost runs from February 1 in Gretna to March 30 in Shongaloo. Average last frost elsewhere: Baton Rouge Feb 25 and Shreveport Mar 6. In 7 towns, frost doesn't come every winter, so they get odds instead of dates.
Frost dates for every city and town in Louisiana
Dates are for 32°F at the NOAA station nearest the ZIP code at each Louisiana town's center. "Safer date" is when only 1 year in 10 still gets a frost, a good target for tomatoes and peppers.
| City | Average last frost | Safer date | Average first frost | Frost-free days |
|---|---|---|---|---|
| Abbeville | Feb 17 | Mar 13 | Dec 5 | 291 |
| Abita Springs | Mar 12 | Apr 3 | Nov 18 | 251 |
| Addis | Feb 28 | Mar 21 | Nov 24 | 269 |
| Albany | Mar 8 | Mar 31 | Nov 19 | 256 |
| Alexandria | Mar 3 | Mar 24 | Nov 22 | 264 |
| Amite City | Mar 7 | Mar 31 | Nov 18 | 256 |
| Anacoco | Mar 9 | Apr 4 | Nov 18 | 254 |
| Angie | Mar 2 | Mar 24 | Nov 23 | 266 |
| Arcadia | Mar 11 | Mar 31 | Nov 16 | 250 |
| Arnaudville | Feb 28 | Mar 25 | Nov 23 | 268 |
| Ashland | Mar 24 | Apr 16 | Nov 7 | 228 |
| Athens | Mar 30 | Apr 16 | Nov 6 | 221 |
| Atlanta | Mar 13 | Apr 5 | Nov 10 | 242 |
| Baker | Feb 25 | Mar 19 | Nov 26 | 274 |
| Baldwin | Feb 11 | Mar 11 | Dec 8 | 300 |
| Ball | Mar 16 | Apr 6 | Nov 8 | 237 |
| Basile | Feb 26 | Mar 17 | Nov 27 | 274 |
| Baskin | Feb 28 | Mar 19 | Nov 26 | 271 |
| Bastrop | Mar 15 | Apr 3 | Nov 12 | 242 |
| Baton Rouge | Feb 25 | Mar 19 | Nov 26 | 274 |
| Belcher | Mar 6 | Mar 27 | Nov 19 | 258 |
| Benton | Mar 14 | Apr 1 | Nov 14 | 245 |
| Bernice | Mar 14 | Apr 2 | Nov 16 | 247 |
| Berwick | Frost in 80% of winters | |||
| Bienville | Mar 19 | Apr 10 | Nov 9 | 235 |
| Blanchard | Feb 28 | Mar 19 | Nov 24 | 269 |
| Bogalusa | Mar 2 | Mar 24 | Nov 23 | 266 |
| Bonita | Mar 15 | Apr 3 | Nov 12 | 242 |
| Bossier City | Mar 6 | Mar 26 | Nov 18 | 257 |
| Boyce | Mar 2 | Mar 19 | Nov 27 | 270 |
| Breaux Bridge | Feb 13 | Mar 10 | Dec 4 | 294 |
| Broussard | Feb 19 | Mar 16 | Dec 1 | 285 |
| Brusly | Feb 28 | Mar 21 | Nov 24 | 269 |
| Bryceland | Mar 19 | Apr 10 | Nov 9 | 235 |
| Bunkie | Feb 28 | Mar 21 | Nov 24 | 269 |
| Calvin | Mar 13 | Apr 5 | Nov 10 | 242 |
| Campti | Mar 5 | Mar 23 | Nov 17 | 257 |
| Cankton | Feb 28 | Mar 25 | Nov 23 | 268 |
| Carencro | Feb 28 | Mar 25 | Nov 23 | 268 |
| Castor | Mar 24 | Apr 16 | Nov 7 | 228 |
| Central | Feb 25 | Mar 19 | Nov 26 | 274 |
| Chataignier | Feb 26 | Mar 17 | Nov 27 | 274 |
| Chatham | Mar 28 | Apr 14 | Nov 5 | 222 |
| Cheneyville | Feb 28 | Mar 21 | Nov 24 | 269 |
| Choudrant | Mar 28 | Apr 14 | Nov 5 | 222 |
| Church Point | Feb 28 | Mar 25 | Nov 23 | 268 |
| Clarence | Mar 5 | Mar 23 | Nov 17 | 257 |
| Clarks | Mar 5 | Mar 27 | Nov 22 | 262 |
| Clayton | Mar 16 | Apr 6 | Nov 9 | 238 |
| Clinton | Mar 13 | Apr 4 | Nov 17 | 249 |
| Colfax | Mar 2 | Mar 19 | Nov 27 | 270 |
| Collinston | Mar 15 | Apr 3 | Nov 12 | 242 |
| Columbia | Mar 5 | Mar 27 | Nov 22 | 262 |
| Converse | Mar 8 | Apr 1 | Nov 20 | 257 |
| Cotton Valley | Mar 14 | Apr 1 | Nov 14 | 245 |
| Cottonport | Feb 28 | Mar 21 | Nov 24 | 269 |
| Coushatta | Mar 24 | Apr 16 | Nov 7 | 228 |
| Covington | Mar 12 | Apr 3 | Nov 18 | 251 |
| Creola | Mar 16 | Apr 6 | Nov 8 | 237 |
| Crowley | Feb 20 | Mar 14 | Dec 4 | 287 |
| Cullen | Mar 14 | Apr 1 | Nov 14 | 245 |
| Delcambre | Feb 10 | Mar 9 | Dec 11 | 304 |
| Delhi | Mar 2 | Mar 21 | Nov 24 | 267 |
| Delta | Feb 26 | Mar 16 | Nov 22 | 269 |
| Denham Springs | Feb 25 | Mar 19 | Nov 26 | 274 |
| DeQuincy | Mar 2 | Mar 26 | Nov 25 | 268 |
| DeRidder | Mar 1 | Mar 25 | Nov 25 | 269 |
| Dixie Inn | Mar 17 | Apr 6 | Nov 14 | 242 |
| Dodson | Mar 13 | Apr 5 | Nov 10 | 242 |
| Donaldsonville | Feb 21 | Mar 15 | Dec 5 | 287 |
| Downsville | Mar 28 | Apr 14 | Nov 5 | 222 |
| Doyline | Mar 17 | Apr 6 | Nov 14 | 242 |
| Dry Prong | Mar 2 | Mar 19 | Nov 27 | 270 |
| Dubach | Mar 11 | Mar 31 | Nov 16 | 250 |
| Dubberly | Mar 17 | Apr 6 | Nov 14 | 242 |
| Duson | Feb 26 | Mar 20 | Nov 28 | 275 |
| East Hodge | Mar 19 | Apr 10 | Nov 9 | 235 |
| Edgefield | Mar 24 | Apr 16 | Nov 7 | 228 |
| Elizabeth | Mar 3 | Mar 28 | Nov 25 | 267 |
| Elton | Mar 1 | Mar 26 | Nov 24 | 268 |
| Epps | Feb 28 | Mar 19 | Nov 26 | 271 |
| Erath | Feb 10 | Mar 9 | Dec 11 | 304 |
| Eros | Mar 28 | Apr 14 | Nov 5 | 222 |
| Estherwood | Feb 20 | Mar 14 | Dec 4 | 287 |
| Eunice | Feb 26 | Mar 17 | Nov 27 | 274 |
| Evergreen | Feb 28 | Mar 21 | Nov 24 | 269 |
| Farmerville | Mar 14 | Apr 2 | Nov 16 | 247 |
| Fenton | Mar 1 | Mar 26 | Nov 24 | 268 |
| Ferriday | Mar 16 | Apr 6 | Nov 9 | 238 |
| Fisher | Mar 20 | Apr 9 | Nov 9 | 234 |
| Florien | Mar 20 | Apr 9 | Nov 9 | 234 |
| Folsom | Mar 12 | Apr 3 | Nov 18 | 251 |
| Fordoche | Feb 19 | Mar 14 | Dec 5 | 289 |
| Forest | Mar 5 | Mar 22 | Nov 24 | 264 |
| Forest Hill | Mar 1 | Mar 22 | Nov 22 | 266 |
| Franklin | Feb 11 | Mar 11 | Dec 8 | 300 |
| Franklinton | Mar 2 | Mar 24 | Nov 23 | 266 |
| French Settlement | Feb 9 | Mar 10 | Dec 13 | 307 |
| Georgetown | Mar 13 | Apr 5 | Nov 10 | 242 |
| Gibsland | Mar 19 | Apr 10 | Nov 9 | 235 |
| Gilbert | Mar 10 | Mar 31 | Nov 16 | 251 |
| Gilliam | Mar 6 | Mar 27 | Nov 19 | 258 |
| Glenmora | Mar 3 | Mar 28 | Nov 25 | 267 |
| Golden Meadow | Feb 8 | Mar 12 | Dec 19 | 314 |
| Goldonna | Mar 13 | Apr 5 | Nov 10 | 242 |
| Gonzales | Feb 21 | Mar 15 | Dec 5 | 287 |
| Grambling | Mar 11 | Mar 31 | Nov 16 | 250 |
| Gramercy | Feb 9 | Mar 11 | Dec 14 | 308 |
| Grand Cane | Mar 8 | Apr 1 | Nov 20 | 257 |
| Grand Coteau | Feb 28 | Mar 25 | Nov 23 | 268 |
| Grand Isle | Feb 8 | Mar 12 | Dec 19 | 314 |
| Grayson | Mar 5 | Mar 27 | Nov 22 | 262 |
| Greensburg | Mar 13 | Apr 4 | Nov 17 | 249 |
| Greenwood | Mar 6 | Mar 29 | Nov 19 | 258 |
| Gretna | Feb 1 | Mar 6 | Dec 31 | 333 |
| Grosse Tete | Feb 28 | Mar 21 | Nov 24 | 269 |
| Gueydan | Feb 10 | Mar 8 | Dec 11 | 304 |
| Hall Summit | Mar 24 | Apr 16 | Nov 7 | 228 |
| Hammond | Mar 8 | Mar 31 | Nov 19 | 256 |
| Harahan | Frost in 87% of winters | |||
| Harrisonburg | Mar 6 | Mar 25 | Nov 22 | 261 |
| Haughton | Mar 6 | Mar 26 | Nov 18 | 257 |
| Haynesville | Mar 30 | Apr 16 | Nov 6 | 221 |
| Heflin | Mar 17 | Apr 6 | Nov 14 | 242 |
| Henderson | Feb 13 | Mar 10 | Dec 4 | 294 |
| Hessmer | Feb 28 | Mar 21 | Nov 24 | 269 |
| Hodge | Mar 19 | Apr 10 | Nov 9 | 235 |
| Homer | Mar 30 | Apr 16 | Nov 6 | 221 |
| Hornbeck | Mar 3 | Mar 22 | Nov 27 | 269 |
| Hosston | Mar 6 | Mar 27 | Nov 19 | 258 |
| Houma | Feb 5 | Mar 7 | Dec 17 | 315 |
| Ida | Mar 6 | Mar 27 | Nov 19 | 258 |
| Independence | Mar 7 | Mar 31 | Nov 18 | 256 |
| Iota | Feb 20 | Mar 14 | Dec 4 | 287 |
| Iowa | Mar 2 | Mar 26 | Nov 25 | 268 |
| Jackson | Mar 2 | Mar 29 | Nov 24 | 267 |
| Jamestown | Mar 19 | Apr 10 | Nov 9 | 235 |
| Jean Lafitte | Feb 10 | Mar 10 | Dec 12 | 305 |
| Jeanerette | Feb 15 | Mar 13 | Dec 3 | 291 |
| Jena | Mar 19 | Apr 9 | Nov 12 | 238 |
| Jennings | Feb 19 | Mar 13 | Dec 4 | 288 |
| Jonesboro | Mar 13 | Apr 5 | Nov 10 | 242 |
| Jonesville | Mar 6 | Mar 25 | Nov 22 | 261 |
| Junction City | Mar 24 | Apr 9 | Nov 7 | 228 |
| Kaplan | Feb 17 | Mar 13 | Dec 5 | 291 |
| Keachi | Mar 8 | Apr 1 | Nov 20 | 257 |
| Kenner | Frost in 87% of winters | |||
| Kentwood | Mar 7 | Mar 31 | Nov 18 | 256 |
| Kilbourne | Mar 13 | Apr 5 | Nov 14 | 246 |
| Killian | Mar 8 | Mar 31 | Nov 19 | 256 |
| Kinder | Mar 1 | Mar 26 | Nov 24 | 268 |
| Krotz Springs | Feb 28 | Mar 25 | Nov 23 | 268 |
| Lafayette | Feb 26 | Mar 20 | Nov 28 | 275 |
| Lake Arthur | Feb 10 | Mar 8 | Dec 11 | 304 |
| Lake Charles | Feb 14 | Mar 11 | Dec 7 | 296 |
| Lake Providence | Mar 5 | Mar 22 | Nov 24 | 264 |
| Lecompte | Mar 1 | Mar 22 | Nov 22 | 266 |
| Leesville | Mar 20 | Apr 12 | Nov 9 | 234 |
| Leonville | Feb 28 | Mar 25 | Nov 23 | 268 |
| Lillie | Mar 24 | Apr 9 | Nov 7 | 228 |
| Lisbon | Mar 30 | Apr 16 | Nov 6 | 221 |
| Livingston | Mar 7 | Mar 31 | Nov 18 | 256 |
| Livonia | Feb 19 | Mar 14 | Dec 5 | 289 |
| Lockport | Feb 5 | Mar 7 | Dec 14 | 312 |
| Logansport | Mar 8 | Apr 1 | Nov 20 | 257 |
| Longstreet | Mar 8 | Apr 1 | Nov 20 | 257 |
| Loreauville | Feb 15 | Mar 13 | Dec 3 | 291 |
| Lucky | Mar 24 | Apr 16 | Nov 7 | 228 |
| Lutcher | Feb 9 | Mar 11 | Dec 14 | 308 |
| Madisonville | Mar 12 | Apr 3 | Nov 18 | 251 |
| Mamou | Feb 26 | Mar 17 | Nov 27 | 274 |
| Mandeville | Mar 12 | Apr 3 | Nov 18 | 251 |
| Mangham | Feb 28 | Mar 19 | Nov 26 | 271 |
| Mansfield | Mar 8 | Apr 1 | Nov 20 | 257 |
| Mansura | Feb 28 | Mar 21 | Nov 24 | 269 |
| Many | Mar 20 | Apr 9 | Nov 9 | 234 |
| Maringouin | Feb 28 | Mar 21 | Nov 24 | 269 |
| Marion | Mar 25 | Apr 10 | Nov 5 | 225 |
| Marksville | Feb 28 | Mar 21 | Nov 24 | 269 |
| Martin | Mar 24 | Apr 16 | Nov 7 | 228 |
| Maurice | Feb 26 | Mar 20 | Nov 28 | 275 |
| McNary | Mar 3 | Mar 28 | Nov 25 | 267 |
| Melville | Mar 2 | Mar 29 | Nov 24 | 267 |
| Mer Rouge | Mar 15 | Apr 3 | Nov 12 | 242 |
| Mermentau | Feb 19 | Mar 13 | Dec 4 | 288 |
| Merryville | Mar 1 | Mar 25 | Nov 25 | 269 |
| Minden | Mar 17 | Apr 6 | Nov 14 | 242 |
| Monroe | Mar 8 | Mar 25 | Nov 15 | 252 |
| Montgomery | Feb 28 | Mar 17 | Dec 1 | 276 |
| Montpelier | Mar 7 | Mar 31 | Nov 18 | 256 |
| Mooringsport | Mar 6 | Mar 27 | Nov 19 | 258 |
| Moreauville | Feb 28 | Mar 21 | Nov 24 | 269 |
| Morgan City | Frost in 80% of winters | |||
| Morganza | Feb 19 | Mar 14 | Dec 5 | 289 |
| Morse | Feb 19 | Mar 13 | Dec 4 | 288 |
| Mound | Feb 26 | Mar 16 | Nov 22 | 269 |
| Mount Lebanon | Mar 19 | Apr 10 | Nov 9 | 235 |
| Napoleonville | Feb 21 | Mar 15 | Dec 5 | 287 |
| Natchez | Feb 28 | Mar 17 | Dec 1 | 276 |
| Natchitoches | Feb 28 | Mar 17 | Dec 1 | 276 |
| New Iberia | Feb 15 | Mar 13 | Dec 3 | 291 |
| New Llano | Mar 20 | Apr 12 | Nov 9 | 234 |
| New Orleans | Frost in 71% of winters | |||
| New Roads | Feb 19 | Mar 14 | Dec 5 | 289 |
| Newellton | Mar 13 | Apr 4 | Nov 10 | 242 |
| Noble | Mar 20 | Apr 9 | Nov 9 | 234 |
| North Hodge | Mar 19 | Apr 10 | Nov 9 | 235 |
| Norwood | Mar 13 | Apr 4 | Nov 17 | 249 |
| Oak Grove | Mar 5 | Mar 22 | Nov 24 | 264 |
| Oak Ridge | Feb 28 | Mar 19 | Nov 26 | 271 |
| Oakdale | Mar 3 | Mar 28 | Nov 25 | 267 |
| Oberlin | Mar 1 | Mar 26 | Nov 24 | 268 |
| Oil City | Mar 6 | Mar 27 | Nov 19 | 258 |
| Olla | Mar 19 | Apr 9 | Nov 12 | 238 |
| Opelousas | Feb 28 | Mar 25 | Nov 23 | 268 |
| Palmetto | Feb 28 | Mar 25 | Nov 23 | 268 |
| Parks | Feb 19 | Mar 16 | Dec 1 | 285 |
| Patterson | Frost in 80% of winters | |||
| Pearl River | Mar 3 | Mar 26 | Nov 21 | 263 |
| Pine Prairie | Feb 28 | Mar 21 | Nov 24 | 269 |
| Pineville | Mar 16 | Apr 6 | Nov 8 | 237 |
| Pioneer | Feb 28 | Mar 19 | Nov 26 | 271 |
| Plain Dealing | Mar 14 | Apr 1 | Nov 14 | 245 |
| Plaquemine | Feb 28 | Mar 21 | Nov 26 | 271 |
| Plaucheville | Feb 28 | Mar 21 | Nov 24 | 269 |
| Pleasant Hill | Mar 20 | Apr 9 | Nov 9 | 234 |
| Pollock | Mar 2 | Mar 25 | Nov 17 | 260 |
| Ponchatoula | Mar 8 | Mar 31 | Nov 19 | 256 |
| Port Allen | Feb 28 | Mar 21 | Nov 26 | 271 |
| Port Barre | Feb 28 | Mar 25 | Nov 23 | 268 |
| Port Vincent | Feb 9 | Mar 10 | Dec 13 | 307 |
| Powhatan | Mar 5 | Mar 23 | Nov 17 | 257 |
| Provencal | Feb 28 | Mar 17 | Dec 1 | 276 |
| Quitman | Mar 19 | Apr 10 | Nov 9 | 235 |
| Rayne | Feb 20 | Mar 14 | Dec 4 | 287 |
| Rayville | Feb 28 | Mar 19 | Nov 26 | 271 |
| Reeves | Mar 2 | Mar 26 | Nov 25 | 268 |
| Richmond | Mar 2 | Mar 21 | Nov 24 | 267 |
| Richwood | Mar 9 | Mar 28 | Nov 14 | 250 |
| Ridgecrest | Mar 16 | Apr 6 | Nov 9 | 238 |
| Ringgold | Mar 24 | Apr 16 | Nov 7 | 228 |
| Robeline | Feb 28 | Mar 17 | Dec 1 | 276 |
| Rodessa | Mar 19 | Apr 6 | Nov 11 | 237 |
| Rosedale | Feb 28 | Mar 21 | Nov 24 | 269 |
| Roseland | Mar 7 | Mar 31 | Nov 18 | 256 |
| Rosepine | Mar 8 | Mar 31 | Nov 21 | 258 |
| Ruston | Mar 11 | Mar 31 | Nov 16 | 250 |
| Saline | Mar 24 | Apr 16 | Nov 7 | 228 |
| Sarepta | Mar 14 | Apr 1 | Nov 14 | 245 |
| Scott | Feb 26 | Mar 20 | Nov 28 | 275 |
| Shongaloo | Mar 30 | Apr 16 | Nov 6 | 221 |
| Shreveport | Mar 6 | Mar 29 | Nov 19 | 258 |
| Sibley | Mar 17 | Apr 6 | Nov 14 | 242 |
| Sicily Island | Mar 10 | Mar 31 | Nov 16 | 251 |
| Sikes | Mar 13 | Apr 5 | Nov 10 | 242 |
| Simmesport | Feb 28 | Mar 21 | Nov 24 | 269 |
| Simpson | Mar 1 | Mar 24 | Nov 23 | 267 |
| Simsboro | Mar 11 | Mar 31 | Nov 16 | 250 |
| Slaughter | Mar 13 | Apr 4 | Nov 17 | 249 |
| Slidell | Feb 24 | Mar 19 | Dec 1 | 280 |
| Sorrento | Feb 21 | Mar 15 | Dec 5 | 287 |
| South Mansfield | Mar 8 | Apr 1 | Nov 20 | 257 |
| Spearsville | Mar 14 | Apr 2 | Nov 16 | 247 |
| Springfield | Mar 8 | Mar 31 | Nov 19 | 256 |
| Springhill | Mar 14 | Apr 1 | Nov 14 | 245 |
| St. Francisville | Mar 2 | Mar 29 | Nov 24 | 267 |
| St. Gabriel | Feb 9 | Mar 10 | Dec 13 | 307 |
| St. Joseph | Mar 13 | Apr 4 | Nov 10 | 242 |
| St. Martinville | Feb 19 | Mar 16 | Dec 1 | 285 |
| Stanley | Mar 8 | Apr 1 | Nov 20 | 257 |
| Sterlington | Mar 15 | Apr 3 | Nov 12 | 242 |
| Stonewall | Mar 12 | Apr 1 | Nov 15 | 248 |
| Sulphur | Mar 2 | Mar 26 | Nov 25 | 268 |
| Sun | Mar 2 | Mar 24 | Nov 23 | 266 |
| Sunset | Feb 28 | Mar 25 | Nov 23 | 268 |
| Tallulah | Mar 2 | Mar 21 | Nov 24 | 267 |
| Tangipahoa | Mar 7 | Mar 31 | Nov 18 | 256 |
| Thibodaux | Feb 5 | Mar 7 | Dec 14 | 312 |
| Tickfaw | Mar 8 | Mar 31 | Nov 19 | 256 |
| Tullos | Mar 19 | Apr 9 | Nov 12 | 238 |
| Turkey Creek | Feb 28 | Mar 21 | Nov 24 | 269 |
| Urania | Mar 19 | Apr 9 | Nov 12 | 238 |
| Varnado | Mar 2 | Mar 24 | Nov 23 | 266 |
| Vidalia | Mar 16 | Apr 6 | Nov 9 | 238 |
| Vienna | Mar 11 | Mar 31 | Nov 16 | 250 |
| Ville Platte | Feb 28 | Mar 21 | Nov 24 | 269 |
| Vinton | Feb 28 | Mar 29 | Nov 23 | 268 |
| Vivian | Mar 6 | Mar 27 | Nov 19 | 258 |
| Walker | Feb 28 | Mar 21 | Nov 26 | 271 |
| Washington | Feb 28 | Mar 25 | Nov 23 | 268 |
| Waterproof | Mar 13 | Apr 4 | Nov 10 | 242 |
| Welsh | Feb 19 | Mar 13 | Dec 4 | 288 |
| West Monroe | Mar 8 | Mar 25 | Nov 15 | 252 |
| Westlake | Mar 2 | Mar 26 | Nov 25 | 268 |
| Westwego | Frost in 76% of winters | |||
| White Castle | Feb 9 | Mar 10 | Dec 13 | 307 |
| Wilson | Mar 13 | Apr 4 | Nov 17 | 249 |
| Winnfield | Mar 13 | Apr 5 | Nov 10 | 242 |
| Winnsboro | Mar 7 | Mar 26 | Nov 13 | 251 |
| Wisner | Mar 10 | Mar 31 | Nov 16 | 251 |
| Woodworth | Mar 1 | Mar 22 | Nov 22 | 266 |
| Youngsville | Feb 10 | Mar 9 | Dec 11 | 304 |
| Zachary | Feb 25 | Mar 19 | Nov 26 | 274 |
| Zwolle | Mar 20 | Apr 9 | Nov 9 | 234 |
Source: NOAA National Centers for Environmental Information, U.S. Climate Normals 1991–2020. City centers from the US Census Bureau. Click a city for its nearest station and, where it has frost dates, hard-freeze dates and a vegetable planting calendar. See how we calculate.
Frequently asked questions
When is the last frost in Baton Rouge, LA?
The average last spring frost in Baton Rouge is February 25, and only 1 year in 10 has a frost after March 19. The average first fall frost is November 26. These come from NOAA's 1991–2020 records at the Baton Rouge Ryan AP station.
When should I plant tomatoes in Louisiana?
UNH Extension times tomato transplants for 1 to 2 weeks after the average last frost. In Baton Rouge that's about Mar 4 to Mar 11; for a 9 in 10 chance of no later frost, wait until Mar 19. Look up your ZIP code for your own dates and a full vegetable planting calendar.
More for Louisiana: Louisiana climate zones (insulation) · Louisiana planting zones · Frost line depth by state