Davidson, NC 28233 Frost Dates
28233, near Davidson, NC: the frost window
Around 04/01 is the usual last spring frost, about 216 days away. Fall's first freeze usually shows up around 11/02, roughly 215 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Davidson in Zone 8a (10 to 15°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
Davidson's growing season runs out in roughly 9 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
Why 04/01 isn't a guarantee
04/01 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/16 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/16 and only about 1 year in 10 sees frost after that.
Davidson against the rest of the dataset
Davidson's growing season runs about 215 days, ranking 14,043 of 40,283 US ZIP codes measured here, longest to shortest. Within NC, it ranks 699 of 1,078.
Learn more
Two guides worth reading on 28233: the frost range, on how to read the range around Davidson's dates instead of trusting one, and local microclimates, on what one yard in Davidson can differ from the 28233 normal.