Guttenberg, NJ 10150 Frost Dates
When can you plant in Guttenberg, NJ?
Typically, the last spring freeze lands around 03/30, roughly 214 days out. The first fall frost typically arrives around 11/20, about 236 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 Guttenberg, not a forecast for this year.
What to do before the first frost
About 12 weeks of growing season left in Guttenberg before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Guttenberg's last frost
03/30 is the middle of 30 years of NOAA records, not a promise. Plant by 03/14 and you're betting against frost in roughly 9 years out of 10. 04/09 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Guttenberg compares
About 236 days separate Guttenberg's last and first frost, putting it 9,378 of 40,283 ZIP codes nationally. Within NJ, it ranks 143 of 906.
Learn more
local microclimates covers what one yard in Guttenberg can differ from the 10150 normal. zone vs. frost date covers why Zone 7b and Guttenberg's frost date answer different questions.