| City | Aerate + overseed | Pre-emergent | Season |
| New York City | Sep 21 – Oct 6 | Mar 9 – Mar 30 | 235 days |
| Albany | Aug 16 – Aug 31 | Apr 6 – Apr 27 | 171 days |
| Buffalo | Aug 27 – Sep 11 | Apr 3 – Apr 24 | 185 days |
| Syracuse | Aug 20 – Sep 4 | Apr 8 – Apr 29 | 173 days |
All New York station records (172)
Every NOAA weather station in New York with complete 1991–2020 frost normals — pick
the one nearest you (similar elevation matters more than plain distance).
Not sure which station to trust? Use the
ZIP code lookup
for the quick answer, or pick the station whose terrain most resembles your yard.
Lawn timing geography of New York
Across the 176 New York locations with complete 1991–2020 frost
normals, the average last spring frost — the anchor for pre-emergent and spring
work — ranges from Mar 26 (NEW York Laguardia Airport) to Jun 2
(Saranac Regional Airport), a spread of about 10 weeks driven by elevation, latitude, and terrain.
The same job can be weeks apart at opposite ends of the state, which is why a
state-level date is only a starting point — pick the location nearest your yard and
plan from its calendar.
The New York lawn year in one paragraph
Spring in New York is for prevention and restraint: crabgrass pre-emergent as soil approaches 55°F, one light feeding after green-up, and otherwise letting the lawn grow. Summer is defense — mow tall, water deeply or let it go dormant. Early fall is when lawns are actually built here: aerate, overseed, and give the main feeding while warm soil and cool air do the establishment work, then a winterizer feeding and a final mow around first frost close the year. Details by task: when to overseed in New York, when to aerate in New York, when to apply crabgrass pre-emergent in New York, and more above.