FrostDateCheck

Helena-West Helena, AR 72342 Frost Dates

When can you plant in Helena-West Helena, AR?

Zone 8a

The last spring frost here typically falls around 03/15, about 199 days from today. The first fall frost typically arrives around 11/16, about 246 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 Helena-West Helena, not a forecast for this year.

What to do before the first frost

About 11 weeks of growing season left in Helena-West Helena 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

03/15 is the middle of 30 years of NOAA records, not a promise. Plant by 02/27 and you're betting against frost in roughly 9 years out of 10. 04/01 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Helena-West Helena compares

Helena-West Helena's growing season runs about 246 days, ranking 7,923 of 40,283 US ZIP codes measured here, longest to shortest. Within AR, it ranks 26 of 687.

Learn more

local microclimates covers what one yard in Helena-West Helena can differ from the 72342 normal. zone vs. frost date covers why Zone 8a and Helena-West Helena's frost date answer different questions.