Polkville, NC 28136 Frost Dates
28136, near Polkville, NC: the frost window
Around 04/12 is the usual last spring frost, about 227 days away. Fall's first freeze usually shows up around 10/25, roughly 195 days after the last spring frost.
Polkville sits in USDA Zone 8a (10 to 15°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
Stretching the season past the first frost
Polkville's growing season runs out in roughly 8 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
Why 04/12 isn't a guarantee
04/12 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/27 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/28 and only about 1 year in 10 sees frost after that.
Polkville against the rest of the dataset
About 195 days separate Polkville's last and first frost, putting it 19,331 of 40,283 ZIP codes nationally. Within NC, it ranks 921 of 1,078.
Learn more
Two guides worth reading on 28136: local microclimates, on what one yard in Polkville can differ from the 28136 normal, and zone vs. frost date, on why Zone 8a and Polkville's frost date answer different questions.