FrostDateCheck

New Llano, LA 71459 Frost Dates

Frost dates for New Llano, LA, ZIP 71459

Zone 9a

Around 03/20 is the usual last spring frost, about 204 days away. The first fall frost typically arrives around 11/09, about 234 frost-free days later.

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 New Llano, not a forecast for this year.

What to do before the first frost

Zone 9a around New Llano has about 10 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 New Llano's last frost

03/20 is the middle of 30 years of NOAA records, not a promise. Plant by 02/24 and you're betting against frost in roughly 9 years out of 10. 04/12 is the safer bet, historically only a 1-in-10 chance of frost that late.

How New Llano compares

New Llano's growing season runs about 234 days, ranking 9,749 of 40,283 US ZIP codes measured here, longest to shortest. Within LA, it ranks 687 of 710.

Learn more

local microclimates explains what one yard in New Llano can differ from the 71459 normal, and zone vs. frost date explains why Zone 9a and New Llano's frost date answer different questions.