Bolton, NC 28423 Frost Dates
Frost dates for Bolton, NC, ZIP 28423
Typically, the last spring freeze lands around 03/29, roughly 213 days out. The first fall frost typically arrives around 11/08, about 226 frost-free days later.
Bolton 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
Zone 8b around Bolton has about 10 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
The actual range around Bolton's last frost
03/29 is the middle of 30 years of NOAA records, not a promise. Plant by 03/08 and you're betting against frost in roughly 9 years out of 10. 04/13 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Bolton compares
At roughly 226 frost-free days, Bolton places 11,286 of 40,283 ZIP codes in this dataset. Within NC, it ranks 398 of 1,078.
Learn more
the frost range explains how to read the range around Bolton's dates instead of trusting one, and local microclimates explains what one yard in Bolton can differ from the 28423 normal.