Prospect Park, NJ 07508 Frost Dates
Prospect Park, NJ: when does the frost end?
Around 04/15 is the usual last spring frost, about 230 days away. Fall's first freeze usually shows up around 10/28, roughly 195 days after the last spring frost.
Prospect Park sits in USDA Zone 7a (0 to 5°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
Stretching the season past the first frost
With roughly 9 weeks until Prospect Park's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Prospect Park'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 05/01 and only about 1 year in 10 sees frost after that.
Prospect Park against the rest of the dataset
At roughly 195 frost-free days, Prospect Park places 19,246 of 40,283 ZIP codes in this dataset. Within NJ, it ranks 517 of 906.
Learn more
Before leaning on 07508's figures: local microclimates explains what one yard in Prospect Park can differ from the 07508 normal, while zone vs. frost date explains why Zone 7a and Prospect Park's frost date answer different questions.