Riverton, NJ 19114 Frost Dates
Riverton, NJ: when does the frost end?
Typically, the last spring freeze lands around 04/04, roughly 219 days out. Fall's first freeze usually shows up around 11/07, roughly 216 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 Riverton, not a forecast for this year.
Stretching the season past the first frost
With roughly 10 weeks until Riverton'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
04/04 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/21 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/17 and only about 1 year in 10 sees frost after that.
Riverton against the rest of the dataset
Riverton's growing season runs about 216 days, ranking 13,794 of 40,283 US ZIP codes measured here, longest to shortest. Within NJ, it ranks 298 of 906.
Learn more
Before leaning on 19114's figures: the frost range explains how to read the range around Riverton's dates instead of trusting one, while local microclimates explains what one yard in Riverton can differ from the 19114 normal.