New Orleans, LA 70127 Frost Dates
70127, near New Orleans, LA: the frost window
Around 01/22 is the usual last spring frost, about 147 days away. Fall's first freeze usually shows up around 01/05, roughly 348 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 New Orleans, not a forecast for this year.
Stretching the season past the first frost
New Orleans's growing season runs out in roughly 19 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
01/22 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/23 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 12/28 and only about 1 year in 10 sees frost after that.
New Orleans against the rest of the dataset
New Orleans's growing season runs about 348 days, ranking 2,366 of 40,283 US ZIP codes measured here, longest to shortest. Within LA, it ranks 4 of 710.
Learn more
Two guides worth reading on 70127: the frost range, on how to read the range around New Orleans's dates instead of trusting one, and local microclimates, on what one yard in New Orleans can differ from the 70127 normal.