Bridgeton, NJ 08320 Frost Dates
08320, near Bridgeton, NJ: the frost window
Around 04/24 is the usual last spring frost, about 239 days away. Fall's first freeze usually shows up around 10/23, roughly 181 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Bridgeton in Zone 7a (0 to 5°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
Bridgeton's growing season runs out in roughly 8 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
Why 04/24 isn't a guarantee
04/24 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/08 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/10 and only about 1 year in 10 sees frost after that.
Bridgeton against the rest of the dataset
Bridgeton's growing season runs about 181 days, ranking 24,462 of 40,283 US ZIP codes measured here, longest to shortest. Within NJ, it ranks 729 of 906.
Learn more
Two guides worth reading on 08320: the frost range, on how to read the range around Bridgeton's dates instead of trusting one, and local microclimates, on what one yard in Bridgeton can differ from the 08320 normal.