Houma, LA 70364 Frost Dates
70364, near Houma, LA: the frost window
Typically, the last spring freeze lands around 02/05, roughly 161 days out. Fall's first freeze usually shows up around 12/17, roughly 312 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 Houma, not a forecast for this year.
Stretching the season past the first frost
Houma's growing season runs out in roughly 16 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
Why 02/05 isn't a guarantee
02/05 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 01/06 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 03/07 and only about 1 year in 10 sees frost after that.
Houma against the rest of the dataset
About 312 days separate Houma's last and first frost, putting it 3,476 of 40,283 ZIP codes nationally. Within LA, it ranks 63 of 710.
Learn more
Two guides worth reading on 70364: zone vs. frost date, on why Zone 9b and Houma's frost date answer different questions, and the frost range, on how to read the range around Houma's dates instead of trusting one.