In Maryland, the onion season typically runs mid-June to late August, with peak availability early July through late July. Exact weeks shift a little with each year's weather.
Can I pick my own onions in Maryland?
U-pick onion fields are basically unheard of — buy braids and bags straight off the farm stand. The best market weeks are early July through late July.
How long does onion season last in Maryland?
about 11 weeks end to end — mid-June to late August. The early and late shoulders are real but lighter; the solid stretch of chalk on the band is the sure bet.