Elmer, NJ 08343 Frost Dates
Elmer, NJ: when does the frost end?
Typically, the last spring freeze lands around 04/11, roughly 226 days out. Fall's first freeze usually shows up around 11/03, roughly 206 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 Elmer, not a forecast for this year.
Stretching the season past the first frost
With roughly 10 weeks until Elmer'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 03/29 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/27 and only about 1 year in 10 sees frost after that.
Elmer against the rest of the dataset
Elmer's growing season runs about 206 days, ranking 16,055 of 40,283 US ZIP codes measured here, longest to shortest. Within NJ, it ranks 355 of 906.
Learn more
Before leaning on 08343's figures: the frost range explains how to read the range around Elmer's dates instead of trusting one, while local microclimates explains what one yard in Elmer can differ from the 08343 normal.