Mamou, LA 70554 Frost Dates
Mamou, LA: when does the frost end?
Around 02/26 is the usual last spring frost, about 182 days away. Fall's first freeze usually shows up around 11/27, roughly 276 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Mamou 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 13 weeks until Mamou's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
How much risk comes with planting early here
02/26 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 01/30 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 03/17 and only about 1 year in 10 sees frost after that.
Mamou against the rest of the dataset
Mamou's growing season runs about 276 days, ranking 5,094 of 40,283 US ZIP codes measured here, longest to shortest. Within LA, it ranks 295 of 710.
Learn more
Before leaning on 70554's figures: the frost range explains how to read the range around Mamou's dates instead of trusting one, while local microclimates explains what one yard in Mamou can differ from the 70554 normal.