When to plant Leeks in New York
In spring, from Feb 15 – Mar 15 in Floral Park to May 1 – 20 in Oneonta.
In fall, Sept 1 – Nov 1.
USDA's earliest safe spring and latest safe fall planting dates, matched to each place's average frost dates.
| Place | Spring | Fall |
|---|---|---|
| Airmont | Mar 15 – Apr 15 | Spring-planted |
| Albany | Apr 1 – May 1 | Spring-planted |
| Amsterdam | Apr 15 – May 15 | Spring-planted |
| Auburn | Apr 1 – May 1 | Spring-planted |
| Babylon | Mar 1 – Apr 1 | Spring-planted |
| Batavia | Apr 1 – May 1 | Spring-planted |
| Beacon | Mar 1 – Apr 1 | Spring-planted |
| Binghamton | Apr 1 – May 1 | Spring-planted |
| Buffalo | Mar 15 – Apr 15 | Spring-planted |
| Canandaigua | Apr 1 – May 1 | Spring-planted |
| Chestnut Ridge | Mar 15 – Apr 15 | Spring-planted |
| Cohoes | Mar 15 – Apr 15 | Spring-planted |
| Corning | May 1 – 20 | Spring-planted |
| Cortland | Apr 15 – May 15 | Spring-planted |
| Depew | Mar 15 – Apr 15 | Spring-planted |
| Dobbs Ferry | Mar 15 – Apr 15 | Spring-planted |
| Dunkirk | Apr 1 – May 1 | Spring-planted |
| East Rockaway | Mar 1 – Apr 1 | Spring-planted |
| Elmira | Apr 15 – May 15 | Spring-planted |
| Endicott | Apr 1 – May 1 | Spring-planted |
| Floral Park | Feb 15 – Mar 15 | Spring-planted |
| Freeport | Mar 1 – Apr 1 | Spring-planted |
| Fulton | Apr 1 – May 1 | Spring-planted |
| Garden City | Feb 15 – Mar 15 | Spring-planted |
| Geneva | Apr 1 – May 1 | Spring-planted |
| Glen Cove | Feb 15 – Mar 15 | Spring-planted |
| Glens Falls | May 1 – 20 | Spring-planted |
| Gloversville | Apr 15 – May 15 | Spring-planted |
| Great Neck | Feb 15 – Mar 15 | Sept 1 – Nov 1Now |
| Harrison | Mar 1 – Apr 1 | Spring-planted |
| Haverstraw | Mar 15 – Apr 15 | Spring-planted |
| Hempstead | Feb 15 – Mar 15 | Spring-planted |
| Ithaca | Apr 15 – May 15 | Spring-planted |
| Jamestown | Apr 15 – May 15 | Spring-planted |
| Johnson City | Apr 1 – May 1 | Spring-planted |
| Kenmore | Apr 15 – May 15 | Spring-planted |
| Kingston | Apr 15 – May 15 | Spring-planted |
| Kiryas Joel | Mar 1 – Apr 1 | Spring-planted |
| Lackawanna | Mar 15 – Apr 15 | Spring-planted |
| Lake Grove | Mar 1 – Apr 1 | Spring-planted |
| Lancaster | Mar 15 – Apr 15 | Spring-planted |
| Lindenhurst | Mar 1 – Apr 1 | Spring-planted |
| Lockport | Apr 1 – May 1 | Spring-planted |
| Long Beach | Mar 1 – Apr 1 | Spring-planted |
| Lynbrook | Mar 1 – Apr 1 | Spring-planted |
| Mamaroneck | Mar 15 – Apr 15 | Spring-planted |
| Massapequa Park | Feb 15 – Mar 15 | Spring-planted |
| Middletown | Mar 15 – Apr 15 | Spring-planted |
| Mineola | Feb 15 – Mar 15 | Spring-planted |
| Mount Kisco | Mar 15 – Apr 15 | Spring-planted |
| Mount Vernon | Feb 15 – Mar 15 | Sept 1 – Nov 1Now |
| New Hyde Park | Feb 15 – Mar 15 | Spring-planted |
| New Rochelle | Mar 15 – Apr 15 | Spring-planted |
| New York | Feb 15 – Mar 15 | Sept 1 – Nov 1Now |
| Newburgh | Apr 1 – May 1 | Spring-planted |
| Niagara Falls | Apr 1 – May 1 | Spring-planted |
| North Tonawanda | Apr 15 – May 15 | Spring-planted |
| Olean | Apr 15 – May 15 | Spring-planted |
| Oneida | Apr 1 – May 1 | Spring-planted |
| Oneonta | May 1 – 20 | Spring-planted |
| Ossining | Mar 15 – Apr 15 | Spring-planted |
| Oswego | Mar 15 – Apr 15 | Spring-planted |
| Patchogue | Feb 15 – Mar 15 | Spring-planted |
| Peekskill | Apr 1 – May 1 | Spring-planted |
| Plattsburgh | Apr 15 – May 15 | Spring-planted |
| Port Chester | Mar 1 – Apr 1 | Spring-planted |
| Poughkeepsie | Mar 15 – Apr 15 | Spring-planted |
| Rochester | Mar 15 – Apr 15 | Spring-planted |
| Rockville Centre | Mar 1 – Apr 1 | Spring-planted |
| Rome | Apr 15 – May 15 | Spring-planted |
| Rye | Mar 1 – Apr 1 | Spring-planted |
| Saratoga Springs | Apr 1 – May 1 | Spring-planted |
| Scarsdale | Mar 15 – Apr 15 | Spring-planted |
| Schenectady | Apr 1 – May 1 | Spring-planted |
| Sleepy Hollow | Mar 15 – Apr 15 | Spring-planted |
| Spring Valley | Mar 15 – Apr 15 | Spring-planted |
| Suffern | Mar 15 – Apr 15 | Spring-planted |
| Syracuse | Apr 1 – May 1 | Spring-planted |
| Tarrytown | Mar 15 – Apr 15 | Spring-planted |
| Tonawanda | Apr 15 – May 15 | Spring-planted |
| Troy | Mar 15 – Apr 15 | Spring-planted |
| Utica | Apr 1 – May 1 | Spring-planted |
| Valley Stream | Feb 15 – Mar 15 | Spring-planted |
| Watertown | Apr 1 – May 1 | Spring-planted |
| Watervliet | Mar 15 – Apr 15 | Spring-planted |
| West Haverstraw | Mar 15 – Apr 15 | Spring-planted |
| Westbury | Feb 15 – Mar 15 | Spring-planted |
| White Plains | Mar 1 – Apr 1 | Spring-planted |
| Woodbury | Mar 1 – Apr 1 | Spring-planted |
| Yonkers | Mar 15 – Apr 15 | Spring-planted |
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 leeks.