Fieldsboro, NJ 08022 Frost Dates
08022, near Fieldsboro, NJ: the frost window
Around 04/15 is the usual last spring frost, about 230 days away. Fall's first freeze usually shows up around 10/29, roughly 196 days after the last spring frost.
Zone 7a (0 to 5°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 Fieldsboro, not a forecast for this year.
Stretching the season past the first frost
Fieldsboro'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.
The actual range around Fieldsboro's last frost
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.
Fieldsboro against the rest of the dataset
At roughly 196 frost-free days, Fieldsboro places 19,066 of 40,283 ZIP codes in this dataset. Within NJ, it ranks 477 of 906.
Learn more
Two guides worth reading on 08022: the frost range, on how to read the range around Fieldsboro's dates instead of trusting one, and local microclimates, on what one yard in Fieldsboro can differ from the 08022 normal.