New Roads, LA 70762 Frost Dates
70762, near New Roads, LA: the frost window
Around 02/19 is the usual last spring frost, about 175 days away. Fall's first freeze usually shows up around 12/05, roughly 292 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts New Roads 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
New Roads'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.
Why 02/19 isn't a guarantee
02/19 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 01/21 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 03/14 and only about 1 year in 10 sees frost after that.
New Roads against the rest of the dataset
At roughly 292 frost-free days, New Roads places 4,358 of 40,283 ZIP codes in this dataset. Within LA, it ranks 207 of 710.
Learn more
Two guides worth reading on 70762: local microclimates, on what one yard in New Roads can differ from the 70762 normal, and zone vs. frost date, on why Zone 9a and New Roads's frost date answer different questions.