Jonesville, LA 71377 Frost Dates
71377, near Jonesville, LA: the frost window
Around 03/06 is the usual last spring frost, about 190 days away. Fall's first freeze usually shows up around 11/22, roughly 261 days after the last spring frost.
Jonesville sits in USDA Zone 9a (20 to 25°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.
Stretching the season past the first frost
Jonesville's growing season runs out in roughly 12 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
Why 03/06 isn't a guarantee
03/06 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/09 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 03/25 and only about 1 year in 10 sees frost after that.
Jonesville against the rest of the dataset
Jonesville's growing season runs about 261 days, ranking 6,422 of 40,283 US ZIP codes measured here, longest to shortest. Within LA, it ranks 497 of 710.
Learn more
Two guides worth reading on 71377: the frost range, on how to read the range around Jonesville's dates instead of trusting one, and local microclimates, on what one yard in Jonesville can differ from the 71377 normal.