FrostDateCheck

Plainfield, NJ 07060 Frost Dates

Plainfield, NJ: when does the frost end?

Zone 7a

The last spring frost here typically falls around 04/11, about 226 days from today. Fall's first freeze usually shows up around 10/31, roughly 202 days after the last spring frost.

The USDA Plant Hardiness Zone Map puts Plainfield 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

With roughly 9 weeks until Plainfield's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.

The actual range around Plainfield's last frost

04/11 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/30 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/28 and only about 1 year in 10 sees frost after that.

Plainfield against the rest of the dataset

Plainfield's growing season runs about 202 days, ranking 17,117 of 40,283 US ZIP codes measured here, longest to shortest. Within NJ, it ranks 381 of 906.

Learn more

Before leaning on 07060's figures: the frost range explains how to read the range around Plainfield's dates instead of trusting one, while local microclimates explains what one yard in Plainfield can differ from the 07060 normal.