Patterson Springs, NC 28151 Frost Dates
28151, near Patterson Springs, 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.
The USDA Plant Hardiness Zone Map puts Patterson Springs 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
Patterson Springs'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.
Patterson Springs against the rest of the dataset
Patterson Springs's growing season runs about 195 days, ranking 19,323 of 40,283 US ZIP codes measured here, longest to shortest. Within NC, it ranks 919 of 1,078.
Learn more
Two guides worth reading on 28151: the frost range, on how to read the range around Patterson Springs's dates instead of trusting one, and local microclimates, on what one yard in Patterson Springs can differ from the 28151 normal.