Pearl River, LA 70470 Frost Dates
Frost dates for Pearl River, LA, ZIP 70470
The last spring frost here typically falls around 03/03, about 187 days from today. 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.
Why 03/03 isn't a guarantee
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
About 263 days separate Pearl River's last and first frost, putting it 6,114 of 40,283 ZIP codes nationally. Within LA, it ranks 480 of 710.
Learn more
zone vs. frost date explains why Zone 9a and Pearl River's frost date answer different questions, and the frost range explains how to read the range around Pearl River's dates instead of trusting one.