Hartford, AR 72938 Frost Dates
Frost dates for Hartford, AR, ZIP 72938
The last spring frost here typically falls around 04/08, about 223 days from today. The first fall frost typically arrives around 10/28, about 203 frost-free days later.
Zone 7b (5 to 10°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 Hartford, not a forecast for this year.
What to do before the first frost
Zone 7b around Hartford 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 04/08 isn't a guarantee
04/08 is the middle of 30 years of NOAA records, not a promise. Plant by 03/21 and you're betting against frost in roughly 9 years out of 10. 04/24 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Hartford compares
Hartford's growing season runs about 203 days, ranking 17,020 of 40,283 US ZIP codes measured here, longest to shortest. Within AR, it ranks 587 of 687.
Learn more
local microclimates explains what one yard in Hartford can differ from the 72938 normal, and zone vs. frost date explains why Zone 7b and Hartford's frost date answer different questions.