Lewisville, AR 71845 Frost Dates
Frost dates for Lewisville, AR, ZIP 71845
Typically, the last spring freeze lands around 03/19, roughly 203 days out. The first fall frost typically arrives around 11/12, about 238 frost-free days later.
The USDA Plant Hardiness Zone Map puts Lewisville in Zone 8b (15 to 20°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 8b around Lewisville 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
03/19 is the middle of 30 years of NOAA records, not a promise. Plant by 02/28 and you're betting against frost in roughly 9 years out of 10. 04/06 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Lewisville compares
At roughly 238 frost-free days, Lewisville places 9,005 of 40,283 ZIP codes in this dataset. Within AR, it ranks 109 of 687.
Learn more
zone vs. frost date explains why Zone 8b and Lewisville's frost date answer different questions, and the frost range explains how to read the range around Lewisville's dates instead of trusting one.