North Little Rock, AR 72231 Frost Dates
Frost dates for North Little Rock, AR, ZIP 72231
Typically, the last spring freeze lands around 03/16, roughly 200 days out. The first fall frost typically arrives around 11/16, about 245 frost-free days later.
The USDA Plant Hardiness Zone Map puts North Little Rock in Zone 8a (10 to 15°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
Zone 8a around North Little Rock has about 11 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
03/16 is the middle of 30 years of NOAA records, not a promise. Plant by 02/27 and you're betting against frost in roughly 9 years out of 10. 04/02 is the safer bet, historically only a 1-in-10 chance of frost that late.
How North Little Rock compares
At roughly 245 frost-free days, North Little Rock places 7,965 of 40,283 ZIP codes in this dataset. Within AR, it ranks 40 of 687.
Learn more
the frost range explains how to read the range around North Little Rock's dates instead of trusting one, and local microclimates explains what one yard in North Little Rock can differ from the 72231 normal.