FrostDateCheck

Pearl River, LA 70457 Frost Dates

Pearl River, LA: when does the frost end?

Zone 9a

The last spring frost here typically falls around 03/03, about 187 days from today. Fall's first freeze usually shows up around 11/21, roughly 263 days after the last spring frost.

Zone 9a (20 to 25°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 Pearl River, not a forecast for this year.

Stretching the season past the first frost

With roughly 12 weeks until Pearl River's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.

The actual range around Pearl River's last frost

03/03 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/04 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.

Pearl River against the rest of the dataset

Pearl River's growing season runs about 263 days, ranking 6,111 of 40,283 US ZIP codes measured here, longest to shortest. Within LA, it ranks 477 of 710.

Learn more

Before leaning on 70457's figures: the frost range explains how to read the range around Pearl River's dates instead of trusting one, while local microclimates explains what one yard in Pearl River can differ from the 70457 normal.