In New York, the onion season typically runs mid-July to mid-October, with peak availability early August through mid-September. Exact weeks shift a little with each year's weather.
Can I pick my own onions in New York?
U-pick onion fields are basically unheard of — buy braids and bags straight off the farm stand. The best market weeks are early August through mid-September.
How long does onion season last in New York?
about 13 weeks end to end — mid-July to mid-October. The early and late shoulders are real but lighter; the solid stretch of chalk on the band is the sure bet.