Richfield, NC 28137 Frost Dates
Frost dates for Richfield, NC, ZIP 28137
The last spring frost here typically falls around 03/29, about 213 days from today. The first fall frost typically arrives around 11/04, about 220 frost-free days later.
Zone 8a (10 to 15°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 Richfield, not a forecast for this year.
What to do before the first frost
Zone 8a around Richfield 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 Richfield's last frost
03/29 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. 04/14 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Richfield compares
About 220 days separate Richfield's last and first frost, putting it 12,876 of 40,283 ZIP codes nationally. Within NC, it ranks 598 of 1,078.
Learn more
the frost range explains how to read the range around Richfield's dates instead of trusting one, and local microclimates explains what one yard in Richfield can differ from the 28137 normal.