Edgewater, NJ 10459 Frost Dates
10459, near Edgewater, NJ: the frost window
Around 04/01 is the usual last spring frost, about 216 days away. Fall's first freeze usually shows up around 11/16, roughly 230 days after the last spring frost.
Zone 7b (5 to 10°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 Edgewater, not a forecast for this year.
Stretching the season past the first frost
Edgewater'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.
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 03/19 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/12 and only about 1 year in 10 sees frost after that.
Edgewater against the rest of the dataset
Edgewater's growing season runs about 230 days, ranking 10,336 of 40,283 US ZIP codes measured here, longest to shortest. Within NJ, it ranks 188 of 906.
Learn more
Two guides worth reading on 10459: zone vs. frost date, on why Zone 7b and Edgewater's frost date answer different questions, and the frost range, on how to read the range around Edgewater's dates instead of trusting one.