HAGERSTOWN, MD (May 2, 2018) – In collaboration with Valley Co-op and the City of Hagerstown , the Washington County Agricultural Department of Business Development is excited to announce a ‘ May Day at the Market’ on Saturday, May 5, 2018 from 9 a.m. until 12:00 p.m. The event will be held at the Valley Co-op of Washington County, located at 25 West Church Street, Hagerstown, Maryland, in the back of the Hagerstown City Farmers Market.