FrostDateCheck

Jean Lafitte, LA 70083 Frost Dates

Jean Lafitte, LA: when does the frost end?

Zone 9b

The last spring frost here typically falls around 02/03, about 159 days from today. Fall's first freeze usually shows up around 12/28, roughly 327 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

With roughly 17 weeks until Jean Lafitte's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.

The actual range around Jean Lafitte's last frost

02/03 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 01/02 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 03/02 and only about 1 year in 10 sees frost after that.

Jean Lafitte against the rest of the dataset

Jean Lafitte's growing season runs about 327 days, ranking 3,201 of 40,283 US ZIP codes measured here, longest to shortest. Within LA, it ranks 54 of 710.

Learn more

Before leaning on 70083's figures: zone vs. frost date explains why Zone 9b and Jean Lafitte's frost date answer different questions, while the frost range explains how to read the range around Jean Lafitte's dates instead of trusting one.