Bienville, LA 71008 Frost Dates
Bienville, LA: when does the frost end?
Typically, the last spring freeze lands around 03/19, roughly 203 days out. Fall's first freeze usually shows up around 11/09, roughly 237 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Bienville in Zone 8b (15 to 20°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 10 weeks until Bienville'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
03/19 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/26 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/10 and only about 1 year in 10 sees frost after that.
Bienville against the rest of the dataset
Bienville's growing season runs about 237 days, ranking 9,173 of 40,283 US ZIP codes measured here, longest to shortest. Within LA, it ranks 673 of 710.
Learn more
Before leaning on 71008's figures: zone vs. frost date explains why Zone 8b and Bienville's frost date answer different questions, while the frost range explains how to read the range around Bienville's dates instead of trusting one.