Port Vincent, LA 70727 Frost Dates
70727, near Port Vincent, LA: the frost window
Around 02/28 is the usual last spring frost, about 184 days away. Fall's first freeze usually shows up around 11/26, roughly 272 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Port Vincent 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
Port Vincent's growing season runs out in roughly 13 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
02/28 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 01/31 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 03/21 and only about 1 year in 10 sees frost after that.
Port Vincent against the rest of the dataset
Port Vincent's growing season runs about 272 days, ranking 5,398 of 40,283 US ZIP codes measured here, longest to shortest. Within LA, it ranks 330 of 710.
Learn more
Two guides worth reading on 70727: the frost range, on how to read the range around Port Vincent's dates instead of trusting one, and local microclimates, on what one yard in Port Vincent can differ from the 70727 normal.