Head of the Harbor, NY 11790 Frost Dates
When can you plant in Head of the Harbor, NY?
Typically, the last spring freeze lands around 04/04, roughly 219 days out. The first fall frost typically arrives around 11/07, about 215 frost-free days later.
The USDA Plant Hardiness Zone Map puts Head of the Harbor in Zone 7b (5 to 10°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
About 10 weeks of growing season left in Head of the Harbor before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Head of the Harbor's last frost
04/04 is the middle of 30 years of NOAA records, not a promise. Plant by 03/23 and you're betting against frost in roughly 9 years out of 10. 04/19 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Head of the Harbor compares
Head of the Harbor's growing season runs about 215 days, ranking 14,130 of 40,283 US ZIP codes measured here, longest to shortest. Within NY, it ranks 240 of 1,951.
Learn more
zone vs. frost date covers why Zone 7b and Head of the Harbor's frost date answer different questions. the frost range covers how to read the range around Head of the Harbor's dates instead of trusting one.