Lockport, LA 70375 Frost Dates
70375, near Lockport, LA: the frost window
The last spring frost here typically falls around 02/05, about 161 days from today. Fall's first freeze usually shows up around 12/14, roughly 311 days after the last spring frost.
Zone 9b (25 to 30°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Lockport, not a forecast for this year.
Stretching the season past the first frost
Lockport's growing season runs out in roughly 15 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
Why 02/05 isn't a guarantee
02/05 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 01/03 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.
Lockport against the rest of the dataset
At roughly 311 frost-free days, Lockport places 3,537 of 40,283 ZIP codes in this dataset. Within LA, it ranks 80 of 710.
Learn more
Two guides worth reading on 70375: zone vs. frost date, on why Zone 9b and Lockport's frost date answer different questions, and the frost range, on how to read the range around Lockport's dates instead of trusting one.