Pearl River, LA 70452 Frost Dates
Frost dates for Pearl River, LA, ZIP 70452
Around 03/03 is the usual last spring frost, about 187 days away. The first fall frost typically arrives around 11/21, about 263 frost-free days later.
Pearl River sits in USDA Zone 9a (20 to 25°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
What to do before the first frost
Zone 9a around Pearl River 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.
The actual range around Pearl River's last frost
03/03 is the middle of 30 years of NOAA records, not a promise. Plant by 02/04 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 Pearl River compares
At roughly 263 frost-free days, Pearl River places 6,110 of 40,283 ZIP codes in this dataset. Within LA, it ranks 476 of 710.
Learn more
local microclimates explains what one yard in Pearl River can differ from the 70452 normal, and zone vs. frost date explains why Zone 9a and Pearl River's frost date answer different questions.