Guttenberg, NJ 10060 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.
Guttenberg sits in USDA Zone 7b (5 to 10°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
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
At roughly 236 frost-free days, Guttenberg places 9,354 of 40,283 ZIP codes in this dataset. Within NJ, it ranks 119 of 906.
Learn more
zone vs. frost date covers why Zone 7b and Guttenberg's frost date answer different questions. the frost range covers how to read the range around Guttenberg's dates instead of trusting one.