Kenilworth, NJ 07902 Frost Dates
Kenilworth, NJ: when does the frost end?
Around 04/11 is the usual last spring frost, about 226 days away. Fall's first freeze usually shows up around 10/31, roughly 202 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 Kenilworth, not a forecast for this year.
Stretching the season past the first frost
With roughly 9 weeks until Kenilworth's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
How much risk comes with planting early here
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.
Kenilworth against the rest of the dataset
Kenilworth's growing season runs about 202 days, ranking 17,207 of 40,283 US ZIP codes measured here, longest to shortest. Within NJ, it ranks 409 of 906.
Learn more
Before leaning on 07902's figures: the frost range explains how to read the range around Kenilworth's dates instead of trusting one, while local microclimates explains what one yard in Kenilworth can differ from the 07902 normal.