Folsom, NJ 08346 Frost Dates
Folsom, NJ: when does the frost end?
The last spring frost here typically falls around 04/14, about 229 days from today. Fall's first freeze usually shows up around 10/27, roughly 196 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Folsom in Zone 7a (0 to 5°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
With roughly 9 weeks until Folsom's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Folsom's last frost
04/14 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/01 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.
Folsom against the rest of the dataset
Folsom's growing season runs about 196 days, ranking 19,004 of 40,283 US ZIP codes measured here, longest to shortest. Within NJ, it ranks 464 of 906.
Learn more
Before leaning on 08346's figures: local microclimates explains what one yard in Folsom can differ from the 08346 normal, while zone vs. frost date explains why Zone 7a and Folsom's frost date answer different questions.