Blowing Rock, NC 28605 Frost Dates
When can you plant in Blowing Rock, NC?
Around 04/25 is the usual last spring frost, about 240 days away. The first fall frost typically arrives around 10/21, about 178 frost-free days later.
Zone 6b (-5 to 0°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 Blowing Rock, not a forecast for this year.
What to do before the first frost
About 8 weeks of growing season left in Blowing Rock before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
Why 04/25 isn't a guarantee
04/25 is the middle of 30 years of NOAA records, not a promise. Plant by 04/08 and you're betting against frost in roughly 9 years out of 10. 05/12 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Blowing Rock compares
About 178 days separate Blowing Rock's last and first frost, putting it 25,795 of 40,283 ZIP codes nationally. Within NC, it ranks 1,019 of 1,078.
Learn more
the frost range covers how to read the range around Blowing Rock's dates instead of trusting one. local microclimates covers what one yard in Blowing Rock can differ from the 28605 normal.