Kenner, LA 70031 Frost Dates
70031, near Kenner, LA: the frost window
Typically, the last spring freeze lands around 01/30, roughly 155 days out. Fall's first freeze usually shows up around 12/31, roughly 333 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Kenner in Zone 9b (25 to 30°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
Kenner's growing season runs out in roughly 18 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
01/30 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/27 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 12/29 and only about 1 year in 10 sees frost after that.
Kenner against the rest of the dataset
At roughly 333 frost-free days, Kenner places 2,824 of 40,283 ZIP codes in this dataset. Within LA, it ranks 30 of 710.
Learn more
Two guides worth reading on 70031: zone vs. frost date, on why Zone 9b and Kenner's frost date answer different questions, and the frost range, on how to read the range around Kenner's dates instead of trusting one.