FrostDateCheck

Houma, LA 70360 Frost Dates

70360, near Houma, LA: the frost window

Zone 9b

Around 02/05 is the usual last spring frost, about 161 days away. Fall's first freeze usually shows up around 12/17, roughly 312 days after the last spring frost.

The USDA Plant Hardiness Zone Map puts Houma in Zone 9b (25 to 30°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.

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.

How much risk comes with planting early here

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 3,473 of 40,283 ZIP codes nationally. Within LA, it ranks 60 of 710.

Learn more

Two guides worth reading on 70360: local microclimates, on what one yard in Houma can differ from the 70360 normal, and zone vs. frost date, on why Zone 9b and Houma's frost date answer different questions.