FrostDateCheck

Jean Lafitte, LA 70004 Frost Dates

Frost dates for Jean Lafitte, LA, ZIP 70004

Zone 9b

The last spring frost here typically falls around 02/10, about 166 days from today. The first fall frost typically arrives around 12/12, about 306 frost-free days later.

Jean Lafitte sits in USDA Zone 9b (25 to 30°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.

What to do before the first frost

Zone 9b around Jean Lafitte has about 15 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.

How much risk comes with planting early here

02/10 is the middle of 30 years of NOAA records, not a promise. Plant by 01/09 and you're betting against frost in roughly 9 years out of 10. 03/10 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Jean Lafitte compares

Jean Lafitte's growing season runs about 306 days, ranking 3,696 of 40,283 US ZIP codes measured here, longest to shortest. Within LA, it ranks 152 of 710.

Learn more

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