Stone Harbor, NJ 08218 Frost Dates
Stone Harbor, NJ: when does the frost end?
The last spring frost here typically falls around 04/01, about 216 days from today. Fall's first freeze usually shows up around 11/09, roughly 222 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 Stone Harbor, not a forecast for this year.
Stretching the season past the first frost
With roughly 10 weeks until Stone Harbor's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
Why 04/01 isn't a guarantee
04/01 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/19 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/15 and only about 1 year in 10 sees frost after that.
Stone Harbor against the rest of the dataset
About 222 days separate Stone Harbor's last and first frost, putting it 12,307 of 40,283 ZIP codes nationally. Within NJ, it ranks 259 of 906.
Learn more
Before leaning on 08218's figures: local microclimates explains what one yard in Stone Harbor can differ from the 08218 normal, while zone vs. frost date explains why Zone 7b and Stone Harbor's frost date answer different questions.