Marietta, NC 28362 Frost Dates
28362, near Marietta, 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 11/05, roughly 219 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Marietta 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
Marietta's growing season runs out in roughly 10 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 03/12 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.
Marietta against the rest of the dataset
About 219 days separate Marietta's last and first frost, putting it 13,125 of 40,283 ZIP codes nationally. Within NC, it ranks 640 of 1,078.
Learn more
Two guides worth reading on 28362: the frost range, on how to read the range around Marietta's dates instead of trusting one, and local microclimates, on what one yard in Marietta can differ from the 28362 normal.