Duson, LA 70529 Frost Dates
Duson, 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 11/28, roughly 279 days after the last spring frost.
Zone 9a (20 to 25°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 Duson, not a forecast for this year.
Stretching the season past the first frost
With roughly 13 weeks until Duson's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Duson's last frost
02/26 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 01/29 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 03/20 and only about 1 year in 10 sees frost after that.
Duson against the rest of the dataset
About 279 days separate Duson's last and first frost, putting it 4,903 of 40,283 ZIP codes nationally. Within LA, it ranks 257 of 710.
Learn more
Before leaning on 70529's figures: the frost range explains how to read the range around Duson's dates instead of trusting one, while local microclimates explains what one yard in Duson can differ from the 70529 normal.