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Louisiana frost dates by weather station

Louisiana has 98 NOAA weather stations with 1991–2020 freeze statistics. Median last spring frost dates run from Jan 22 at New Orleans Lakefront Airport to Mar 30 at Homer 1n.

98Stations
Jan 22Earliest last frostNew Orleans Lakefront Airport
Mar 30Latest last frostHomer 1n
357 daysLongest growing seasonBoothville Asos

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Louisiana stations: median (50%) frost dates at 32°F
Station	Last spring frost	First fall frost	Growing season	Elevation
Alexandria	Feb 27	Nov 27	274 days	87 ft
Alexandria 5 SSE	Mar 3	Nov 22	263 days	85 ft
Alexandria Esler Regional Airport	Mar 16	Nov 8	239 days	112 ft
Alexandria Intl Airport	Mar 2	Nov 17	260 days	84 ft
Amite	Mar 7	Nov 18	257 days	170 ft
Ashland	Mar 24	Nov 7	229 days	240 ft
Bastrop	Mar 15	Nov 12	241 days	150 ft
Baton Rouge Ryan Airport	Feb 25	Nov 26	276 days	64 ft
Benton 5e	Mar 14	Nov 14	246 days	200 ft
Bienville 3 NE	Mar 19	Nov 9	237 days	307 ft
Bogalusa	Mar 2	Nov 23	265 days	100 ft
Boothville Asos	Jan 23	Jan 9	357 days	3 ft
Boyce 3 WNW	Mar 2	Nov 27	271 days	110 ft
Brusly 2 W	Feb 28	Nov 24	268 days	20 ft
Bunkie	Feb 28	Nov 24	270 days	80 ft
Buras	Jan 25	Jan 4	346 days	5 ft
Calhoun Rsch Station	Mar 28	Nov 5	224 days	120 ft
Carville 2 SW	Feb 9	Dec 13	308 days	25 ft
Chalmette	Feb 10	Dec 17	309 days	3 ft
Clinton 5 SE	Mar 13	Nov 17	251 days	200 ft
Columbia Lock	Mar 5	Nov 22	263 days	82 ft
Covington 4 NNW	Mar 12	Nov 18	253 days	40 ft
Crowley 2 NE	Feb 20	Dec 4	291 days	25 ft
De Ridder	Mar 1	Nov 25	269 days	190 ft
Donaldsonville 4 SW	Feb 21	Dec 5	291 days	30 ft
Elizabeth	Mar 3	Nov 25	268 days	150 ft
Eunice	Feb 26	Nov 27	276 days	50 ft
Farmerville	Mar 14	Nov 16	246 days	180 ft
Fort Polk Fullerton Lndg Strip	Mar 1	Nov 23	268 days	310 ft
Franklin 3 NW	Feb 11	Dec 8	303 days	12 ft
Galliano	Feb 8	Dec 19	311 days	5 ft
Grand Coteau	Feb 28	Nov 23	267 days	55 ft
Hackberry 8 SSW	Feb 3	Dec 24	323 days	6 ft
Hammond 5 E	Mar 8	Nov 19	257 days	35 ft
Hodges Gardens	Mar 3	Nov 27	267 days	420 ft
Homer 1n	Mar 30	Nov 6	221 days	215 ft
Houma	Feb 5	Dec 17	312 days	8 ft
Jeanerette 5 NW	Feb 15	Dec 3	294 days	20 ft
Jena	Mar 19	Nov 12	238 days	143 ft
Jennings	Feb 19	Dec 4	292 days	25 ft
Jonesville Locks	Mar 6	Nov 22	261 days	70 ft
Lafayette	Feb 26	Nov 28	279 days	25 ft
Lafayette 13 SE	Feb 19	Dec 1	289 days	35 ft
Lafayette Regional Airport	Feb 13	Dec 4	299 days	38 ft
Lake Arthur 7 SW	Feb 10	Dec 11	307 days	11 ft
Lake Charles	Feb 14	Dec 7	299 days	13 ft
Lake Providence	Mar 5	Nov 24	263 days	100 ft
Leesville	Mar 20	Nov 9	234 days	28 ft
Leland Bowman Lock	Feb 17	Dec 5	298 days	40 ft
Lsu Ben-Hur Farm	Feb 28	Nov 26	272 days	21 ft
Lsu Citrus Rsch Station	Feb 3	Dec 28	327 days	4 ft
Lsu Dean Lee Rsch Station	Mar 1	Nov 22	267 days	70 ft
Mansfield 4 NW	Mar 8	Nov 20	255 days	322 ft
Many	Mar 20	Nov 9	236 days	255 ft
Marrero 9 SSW	Feb 10	Dec 12	306 days	3 ft
Minden	Mar 17	Nov 14	241 days	185 ft
Monroe 26 N	Mar 25	Nov 5	226 days	88 ft
Monroe Delta Cc	Mar 9	Nov 14	248 days	70 ft
Monroe Regional Airport	Mar 8	Nov 15	253 days	79 ft
Mooringsport 1 N	Mar 6	Nov 19	257 days	200 ft
Morgan City	Jan 30	Jan 1	335 days	5 ft
Moss Bluff 2 NNW	Mar 2	Nov 25	267 days	25 ft
Natchitoches	Feb 28	Dec 1	275 days	130 ft
Natchitoches #2	Mar 5	Nov 17	257 days	141 ft
New Iberia Acadiana Airport	Feb 10	Dec 11	305 days	24 ft
New Iberia Acadiana Regional Airport	Feb 14	Dec 5	298 days	24 ft
New Orleans Alvin Callender Fl	Feb 18	Dec 6	295 days	5 ft
New Orleans Audubon	Jan 24	Jan 2	341 days	20 ft
New Orleans Intl Airport	Jan 30	Dec 31	333 days	4 ft
New Orleans Lakefront Airport	Jan 22	Jan 5	348 days	9 ft
New Roads 5 NE	Feb 19	Dec 5	292 days	45 ft
Oberlin Fire Twr	Mar 1	Nov 24	267 days	65 ft
Peason Ridge Range	Mar 8	Nov 18	258 days	365 ft
Rayville	Feb 28	Nov 26	271 days	89 ft
Red River Rsch Station	Mar 6	Nov 18	256 days	155 ft
Reserve	Feb 9	Dec 14	308 days	15 ft
Rockefeller Wl Refuge	Feb 2	Dec 23	323 days	4 ft
Rosepine Rsch Station	Mar 8	Nov 21	259 days	238 ft
Ruston La Tech	Mar 11	Nov 16	248 days	295 ft
Salt Point	Feb 2	Dec 26	326 days	4 ft
Shreveport	Mar 9	Nov 18	255 days	273 ft
Shreveport Dwtn Airport	Feb 28	Nov 24	268 days	179 ft
Shreveport Sthrn Hills	Mar 12	Nov 15	247 days	200 ft
Shreveport WFO	Mar 6	Nov 19	257 days	274 ft
Slidell	Feb 24	Dec 1	281 days	10 ft
Slidell Airport	Mar 3	Nov 21	263 days	27 ft
St. Bernard	Feb 4	Dec 15	312 days	5 ft
St. Francisville 1 NE	Mar 2	Nov 24	268 days	129 ft
St. Joseph 3 N	Mar 13	Nov 10	242 days	78 ft
St. Martinville 3 SW	Feb 21	Nov 27	280 days	30 ft
Tallulah	Mar 2	Nov 24	271 days	85 ft
Tallulah Vicksburg Airport	Mar 3	Nov 11	254 days	86 ft
Terrytown 3s	Feb 1	Dec 31	330 days	10 ft
Thibodaux 4 SE	Feb 5	Dec 14	311 days	15 ft
Toledo Bend Lake	Mar 1	Nov 30	272 days	181 ft
Winnfield 3 N	Mar 13	Nov 10	242 days	160 ft
Winnsboro 2 SE	Mar 7	Nov 13	252 days	74 ft
Winnsboro 5 SSE	Mar 10	Nov 16	250 days	80 ft

Sources

NOAA National Centers for Environmental Information, U.S. Climate Normals 1991–2020, annual/seasonal normals by station (version 1.0.1), file dated June 27, 2023; documentation.

Freeze dates are 30-year probabilities, not forecasts. Check your local forecast before planting tender plants.