Caldwell, AR 72336 Frost Dates
Frost dates for Caldwell, AR, ZIP 72336
The last spring frost here typically falls around 03/23, about 207 days from today. The first fall frost typically arrives around 11/07, about 231 frost-free days later.
Zone 8a (10 to 15°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 Caldwell, not a forecast for this year.
What to do before the first frost
Zone 8a around Caldwell 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 Caldwell's last frost
03/23 is the middle of 30 years of NOAA records, not a promise. Plant by 03/03 and you're betting against frost in roughly 9 years out of 10. 04/08 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Caldwell compares
About 231 days separate Caldwell's last and first frost, putting it 10,259 of 40,283 ZIP codes nationally. Within AR, it ranks 220 of 687.
Learn more
zone vs. frost date explains why Zone 8a and Caldwell's frost date answer different questions, and the frost range explains how to read the range around Caldwell's dates instead of trusting one.