FrostDateCheck

Wrightstown, NJ 08041 Frost Dates

08041, near Wrightstown, NJ: the frost window

Zone 7b

Typically, the last spring freeze lands around 04/15, roughly 230 days out. Fall's first freeze usually shows up around 10/29, roughly 196 days after the last spring frost.

The USDA Plant Hardiness Zone Map puts Wrightstown in Zone 7b (5 to 10°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

Wrightstown'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.

How much risk comes with planting early here

04/15 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/01 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/29 and only about 1 year in 10 sees frost after that.

Wrightstown against the rest of the dataset

At roughly 196 frost-free days, Wrightstown places 19,042 of 40,283 ZIP codes in this dataset. Within NJ, it ranks 471 of 906.

Learn more

Two guides worth reading on 08041: local microclimates, on what one yard in Wrightstown can differ from the 08041 normal, and zone vs. frost date, on why Zone 7b and Wrightstown's frost date answer different questions.