Powhatan, LA 71066 Frost Dates
71066, near Powhatan, LA: the frost window
Typically, the last spring freeze lands around 03/05, roughly 189 days out. Fall's first freeze usually shows up around 11/17, roughly 257 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Powhatan 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
Powhatan's growing season runs out in roughly 12 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around Powhatan's last frost
03/05 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/14 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 03/23 and only about 1 year in 10 sees frost after that.
Powhatan against the rest of the dataset
Powhatan's growing season runs about 257 days, ranking 6,765 of 40,283 US ZIP codes measured here, longest to shortest. Within LA, it ranks 544 of 710.
Learn more
Two guides worth reading on 71066: the frost range, on how to read the range around Powhatan's dates instead of trusting one, and local microclimates, on what one yard in Powhatan can differ from the 71066 normal.