Mandeville, LA 70471 Frost Dates
Mandeville, LA: when does the frost end?
The last spring frost here typically falls around 03/12, about 196 days from today. Fall's first freeze usually shows up around 11/18, roughly 253 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Mandeville 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
With roughly 12 weeks until Mandeville's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Mandeville's last frost
03/12 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/13 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/03 and only about 1 year in 10 sees frost after that.
Mandeville against the rest of the dataset
Mandeville's growing season runs about 253 days, ranking 7,100 of 40,283 US ZIP codes measured here, longest to shortest. Within LA, it ranks 566 of 710.
Learn more
Before leaning on 70471's figures: local microclimates explains what one yard in Mandeville can differ from the 70471 normal, while zone vs. frost date explains why Zone 9a and Mandeville's frost date answer different questions.