New Bern, NC 28561 Frost Dates
28561, near New Bern, NC: the frost window
The last spring frost here typically falls around 03/23, about 207 days from today. Fall's first freeze usually shows up around 11/15, roughly 237 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts New Bern in Zone 8b (15 to 20°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
New Bern's growing season runs out in roughly 11 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
How much risk comes with planting early here
03/23 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/06 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/07 and only about 1 year in 10 sees frost after that.
New Bern against the rest of the dataset
About 237 days separate New Bern's last and first frost, putting it 9,068 of 40,283 ZIP codes nationally. Within NC, it ranks 116 of 1,078.
Learn more
Two guides worth reading on 28561: local microclimates, on what one yard in New Bern can differ from the 28561 normal, and zone vs. frost date, on why Zone 8b and New Bern's frost date answer different questions.