Oriental, NC 28520 Frost Dates
Frost dates for Oriental, NC, ZIP 28520
Around 03/11 is the usual last spring frost, about 195 days away. The first fall frost typically arrives around 11/30, about 261 frost-free days later.
Zone 8b (15 to 20°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Oriental, not a forecast for this year.
What to do before the first frost
Zone 8b around Oriental has about 13 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.
Why 03/11 isn't a guarantee
03/11 is the middle of 30 years of NOAA records, not a promise. Plant by 02/19 and you're betting against frost in roughly 9 years out of 10. 03/30 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Oriental compares
About 261 days separate Oriental's last and first frost, putting it 6,437 of 40,283 ZIP codes nationally. Within NC, it ranks 38 of 1,078.
Learn more
zone vs. frost date explains why Zone 8b and Oriental's frost date answer different questions, and the frost range explains how to read the range around Oriental's dates instead of trusting one.