Grantsboro, NC 28529 Frost Dates
When can you plant in Grantsboro, NC?
Typically, the last spring freeze lands around 03/30, roughly 214 days out. The first fall frost typically arrives around 11/08, about 224 frost-free days later.
Grantsboro sits in USDA Zone 8b (15 to 20°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.
What to do before the first frost
About 10 weeks of growing season left in Grantsboro 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
03/30 is the middle of 30 years of NOAA records, not a promise. Plant by 03/11 and you're betting against frost in roughly 9 years out of 10. 04/15 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Grantsboro compares
Grantsboro's growing season runs about 224 days, ranking 11,937 of 40,283 US ZIP codes measured here, longest to shortest. Within NC, it ranks 432 of 1,078.
Learn more
the frost range covers how to read the range around Grantsboro's dates instead of trusting one. local microclimates covers what one yard in Grantsboro can differ from the 28529 normal.