Bossier City, LA 71112 Frost Dates
Frost dates for Bossier City, LA, ZIP 71112
Around 03/06 is the usual last spring frost, about 190 days away. The first fall frost typically arrives around 11/18, about 256 frost-free days later.
Zone 8b (15 to 20°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 Bossier City, not a forecast for this year.
What to do before the first frost
Zone 8b around Bossier City has about 12 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
Why 03/06 isn't a guarantee
03/06 is the middle of 30 years of NOAA records, not a promise. Plant by 02/15 and you're betting against frost in roughly 9 years out of 10. 03/26 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Bossier City compares
Bossier City's growing season runs about 256 days, ranking 6,792 of 40,283 US ZIP codes measured here, longest to shortest. Within LA, it ranks 547 of 710.
Learn more
local microclimates explains what one yard in Bossier City can differ from the 71112 normal, and zone vs. frost date explains why Zone 8b and Bossier City's frost date answer different questions.