FrostDateCheck

Simpson, NC 27879 Frost Dates

Simpson, NC: when does the frost end?

Zone 8a

Around 03/26 is the usual last spring frost, about 210 days away. Fall's first freeze usually shows up around 11/12, roughly 232 days after the last spring frost.

The USDA Plant Hardiness Zone Map puts Simpson in Zone 8a (10 to 15°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.

Stretching the season past the first frost

With roughly 11 weeks until Simpson's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.

Why 03/26 isn't a guarantee

03/26 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/04 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/08 and only about 1 year in 10 sees frost after that.

Simpson against the rest of the dataset

About 232 days separate Simpson's last and first frost, putting it 10,071 of 40,283 ZIP codes nationally. Within NC, it ranks 190 of 1,078.

Learn more

Before leaning on 27879's figures: the frost range explains how to read the range around Simpson's dates instead of trusting one, while local microclimates explains what one yard in Simpson can differ from the 27879 normal.