Broussard, LA 70518 Frost Dates
70518, near Broussard, LA: the frost window
Around 02/13 is the usual last spring frost, about 169 days away. Fall's first freeze usually shows up around 12/04, roughly 299 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Broussard in Zone 9a (20 to 25°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
Broussard's growing season runs out in roughly 14 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
02/13 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 01/13 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.
Broussard against the rest of the dataset
About 299 days separate Broussard's last and first frost, putting it 4,164 of 40,283 ZIP codes nationally. Within LA, it ranks 185 of 710.
Learn more
Two guides worth reading on 70518: zone vs. frost date, on why Zone 9a and Broussard's frost date answer different questions, and the frost range, on how to read the range around Broussard's dates instead of trusting one.