Shreveport, LA 71105 Frost Dates
71105, near Shreveport, LA: the frost window
Around 03/06 is the usual last spring frost, about 190 days away. Fall's first freeze usually shows up around 11/18, roughly 256 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Shreveport 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
Shreveport'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.
Why 03/06 isn't a guarantee
03/06 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/15 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 03/26 and only about 1 year in 10 sees frost after that.
Shreveport against the rest of the dataset
Shreveport's growing season runs about 256 days, ranking 6,773 of 40,283 US ZIP codes measured here, longest to shortest. Within LA, it ranks 545 of 710.
Learn more
Two guides worth reading on 71105: zone vs. frost date, on why Zone 8b and Shreveport's frost date answer different questions, and the frost range, on how to read the range around Shreveport's dates instead of trusting one.