Henderson, LA 70521 Frost Dates
Frost dates for Henderson, LA, ZIP 70521
Around 02/13 is the usual last spring frost, about 169 days away. The first fall frost typically arrives around 12/04, about 299 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 Henderson, not a forecast for this year.
What to do before the first frost
Zone 9a around Henderson has about 14 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.
How much risk comes with planting early here
02/13 is the middle of 30 years of NOAA records, not a promise. Plant by 01/13 and you're betting against frost in roughly 9 years out of 10. 03/10 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Henderson compares
About 299 days separate Henderson's last and first frost, putting it 4,183 of 40,283 ZIP codes nationally. Within LA, it ranks 188 of 710.
Learn more
the frost range explains how to read the range around Henderson's dates instead of trusting one, and local microclimates explains what one yard in Henderson can differ from the 70521 normal.