When to plant Winter squash in New York

In fall, from June 1 – July 1 in Airmont to July 1 – Aug 1 in New York.

USDA's earliest safe spring and latest safe fall planting dates, matched to each place's average frost dates.

Winter squash planting dates by place in New York
PlaceSpringFall
Airmont—June 1 – July 1
Albany—June 1 – July 1
Amsterdam—June 1 – July 1
Auburn—June 1 – July 1
Babylon—June 20 – July 20
Batavia—June 1 – July 1
Beacon—June 10 – July 10
Binghamton—June 1 – July 1
Buffalo—June 10 – July 10
Canandaigua—June 1 – July 1
Chestnut Ridge—June 10 – July 10
Cohoes—June 10 – July 10
Corning—June 1 – 15
Cortland—June 1 – July 1
Depew—June 10 – July 10
Dobbs Ferry—June 10 – July 10
Dunkirk—June 1 – July 1
East Rockaway—June 20 – July 20
Elmira—June 1 – July 1
Endicott—June 1 – July 1
Floral Park—June 20 – July 20
Freeport—June 20 – July 20
Fulton—June 1 – July 1
Garden City—June 20 – July 20
Geneva—June 1 – July 1
Glen Cove—June 20 – July 20
Glens Falls—June 1 – 15
Gloversville—June 1 – 15
Great Neck—July 1 – Aug 1
Harrison—June 10 – July 10
Haverstraw—June 1 – July 1
Hempstead—June 20 – July 20
Ithaca—June 1 – 15
Jamestown—June 1 – July 1
Johnson City—June 1 – July 1
Kenmore—June 1 – July 1
Kingston—June 1 – 15
Kiryas Joel—June 10 – July 10
Lackawanna—June 10 – July 10
Lake Grove—June 10 – July 10
Lancaster—June 10 – July 10
Lindenhurst—June 20 – July 20
Lockport—June 10 – July 10
Long Beach—June 20 – July 20
Lynbrook—June 20 – July 20
Mamaroneck—June 10 – July 10
Massapequa Park—June 20 – July 20
Middletown—June 1 – July 1
Mineola—June 20 – July 20
Mount Kisco—June 1 – July 1
Mount Vernon—July 1 – Aug 1
New Hyde Park—June 20 – July 20
New Rochelle—June 10 – July 10
New York—July 1 – Aug 1
Newburgh—June 1 – July 1
Niagara Falls—June 1 – July 1
North Tonawanda—June 1 – July 1
Olean—June 1 – July 1
Oneida—June 1 – July 1
Oneonta—June 1 – 15
Ossining—June 1 – July 1
Oswego—June 10 – July 10
Patchogue—June 20 – July 20
Peekskill—June 1 – July 1
Plattsburgh—June 1 – 15
Port Chester—June 10 – July 10
Poughkeepsie—June 1 – July 1
Rochester—June 1 – July 1
Rockville Centre—June 20 – July 20
Rome—June 1 – July 1
Rye—June 10 – July 10
Saratoga Springs—June 1 – July 1
Scarsdale—June 10 – July 10
Schenectady—June 1 – July 1
Sleepy Hollow—June 10 – July 10
Spring Valley—June 10 – July 10
Suffern—June 1 – July 1
Syracuse—June 1 – July 1
Tarrytown—June 10 – July 10
Tonawanda—June 1 – July 1
Troy—June 10 – July 10
Utica—June 1 – July 1
Valley Stream—June 20 – July 20
Watertown—June 1 – July 1
Watervliet—June 10 – July 10
West Haverstraw—June 1 – July 1
Westbury—June 20 – July 20
White Plains—June 10 – July 10
Woodbury—June 10 – July 10
Yonkers—June 10 – July 10

Planting dates: USDA Home and Garden Bulletin No. 9 (1967), tables 4 and 5. Frost dates: NOAA U.S. Climate Normals 1991–2020. “—” means the place's frost date is outside the table. The full USDA table for winter squash.