Kenilworth, NJ 07207 Frost Dates
07207, near Kenilworth, NJ: the frost window
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.
Zone 7b (5 to 10°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
Kenilworth'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.
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 17,206 of 40,283 US ZIP codes measured here, longest to shortest. Within NJ, it ranks 408 of 906.
Learn more
Two guides worth reading on 07207: local microclimates, on what one yard in Kenilworth can differ from the 07207 normal, and zone vs. frost date, on why Zone 7b and Kenilworth's frost date answer different questions.