Jean Lafitte, LA 70040 Frost Dates
Frost dates for Jean Lafitte, LA, ZIP 70040
The last spring frost here typically falls around 02/18, about 174 days from today. The first fall frost typically arrives around 12/06, about 295 frost-free days later.
The USDA Plant Hardiness Zone Map puts Jean Lafitte in Zone 9b (25 to 30°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
Zone 9b around Jean Lafitte has about 14 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
The actual range around Jean Lafitte's last frost
02/18 is the middle of 30 years of NOAA records, not a promise. Plant by 01/17 and you're betting against frost in roughly 9 years out of 10. 03/13 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Jean Lafitte compares
At roughly 295 frost-free days, Jean Lafitte places 4,256 of 40,283 ZIP codes in this dataset. Within LA, it ranks 198 of 710.
Learn more
local microclimates explains what one yard in Jean Lafitte can differ from the 70040 normal, and zone vs. frost date explains why Zone 9b and Jean Lafitte's frost date answer different questions.