Merchantville, NJ 08109 Frost Dates
Frost dates for Merchantville, NJ, ZIP 08109
Around 04/15 is the usual last spring frost, about 230 days away. The first fall frost typically arrives around 10/31, about 199 frost-free days later.
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 Merchantville, not a forecast for this year.
What to do before the first frost
Zone 7b around Merchantville has about 9 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
The actual range around Merchantville's last frost
04/15 is the middle of 30 years of NOAA records, not a promise. Plant by 04/01 and you're betting against frost in roughly 9 years out of 10. 05/01 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Merchantville compares
Merchantville's growing season runs about 199 days, ranking 18,103 of 40,283 US ZIP codes measured here, longest to shortest. Within NJ, it ranks 445 of 906.
Learn more
the frost range explains how to read the range around Merchantville's dates instead of trusting one, and local microclimates explains what one yard in Merchantville can differ from the 08109 normal.