Jean Lafitte, LA 70063 Frost Dates
70063, near Jean Lafitte, LA: the frost window
The last spring frost here typically falls around 02/10, about 166 days from today. Fall's first freeze usually shows up around 12/12, roughly 306 days after the last spring frost.
Zone 9b (25 to 30°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Jean Lafitte, not a forecast for this year.
Stretching the season past the first frost
Jean Lafitte's growing season runs out in roughly 15 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around Jean Lafitte's last frost
02/10 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 01/09 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 03/10 and only about 1 year in 10 sees frost after that.
Jean Lafitte against the rest of the dataset
About 306 days separate Jean Lafitte's last and first frost, putting it 3,706 of 40,283 ZIP codes nationally. Within LA, it ranks 162 of 710.
Learn more
Two guides worth reading on 70063: zone vs. frost date, on why Zone 9b and Jean Lafitte's frost date answer different questions, and the frost range, on how to read the range around Jean Lafitte's dates instead of trusting one.