FrostDateCheck

North Plainfield, NJ 07063 Frost Dates

When can you plant in North Plainfield, NJ?

Zone 7a

The last spring frost here typically falls around 04/11, about 226 days from today. The first fall frost typically arrives around 10/31, about 202 frost-free days later.

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 North Plainfield, not a forecast for this year.

What to do before the first frost

About 9 weeks of growing season left in North Plainfield before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.

The actual range around North Plainfield's last frost

04/11 is the middle of 30 years of NOAA records, not a promise. Plant by 03/30 and you're betting against frost in roughly 9 years out of 10. 04/28 is the safer bet, historically only a 1-in-10 chance of frost that late.

How North Plainfield compares

At roughly 202 frost-free days, North Plainfield places 17,145 of 40,283 ZIP codes in this dataset. Within NJ, it ranks 390 of 906.

Learn more

local microclimates covers what one yard in North Plainfield can differ from the 07063 normal. zone vs. frost date covers why Zone 7a and North Plainfield's frost date answer different questions.