Wilton, AR 71820 Frost Dates
When can you plant in Wilton, AR?
Around 03/24 is the usual last spring frost, about 208 days away. The first fall frost typically arrives around 11/11, about 233 frost-free days later.
The USDA Plant Hardiness Zone Map puts Wilton 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
About 11 weeks of growing season left in Wilton before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
03/24 is the middle of 30 years of NOAA records, not a promise. Plant by 03/04 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 Wilton compares
At roughly 233 frost-free days, Wilton places 9,978 of 40,283 ZIP codes in this dataset. Within AR, it ranks 201 of 687.
Learn more
local microclimates covers what one yard in Wilton can differ from the 71820 normal. zone vs. frost date covers why Zone 8b and Wilton's frost date answer different questions.