Fifty-Six, AR 72663 Frost Dates
Frost dates for Fifty-Six, AR, ZIP 72663
Typically, the last spring freeze lands around 04/02, roughly 217 days out. The first fall frost typically arrives around 10/31, about 211 frost-free days later.
The USDA Plant Hardiness Zone Map puts Fifty-Six in Zone 7b (5 to 10°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 7b around Fifty-Six has about 9 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 04/02 isn't a guarantee
04/02 is the middle of 30 years of NOAA records, not a promise. Plant by 03/12 and you're betting against frost in roughly 9 years out of 10. 04/20 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Fifty-Six compares
Fifty-Six's growing season runs about 211 days, ranking 14,898 of 40,283 US ZIP codes measured here, longest to shortest. Within AR, it ranks 526 of 687.
Learn more
local microclimates explains what one yard in Fifty-Six can differ from the 72663 normal, and zone vs. frost date explains why Zone 7b and Fifty-Six's frost date answer different questions.