FrostDateCheck

Granite Quarry, NC 28146 Frost Dates

28146, near Granite Quarry, NC: the frost window

Zone 8a

The last spring frost here typically falls around 04/06, about 221 days from today. Fall's first freeze usually shows up around 10/30, roughly 208 days after the last spring frost.

The USDA Plant Hardiness Zone Map puts Granite Quarry 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

Granite Quarry's growing season runs out in roughly 9 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.

The actual range around Granite Quarry's last frost

04/06 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/21 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/27 and only about 1 year in 10 sees frost after that.

Granite Quarry against the rest of the dataset

About 208 days separate Granite Quarry's last and first frost, putting it 15,624 of 40,283 ZIP codes nationally. Within NC, it ranks 788 of 1,078.

Learn more

Two guides worth reading on 28146: the frost range, on how to read the range around Granite Quarry's dates instead of trusting one, and local microclimates, on what one yard in Granite Quarry can differ from the 28146 normal.