Music at Longwood, Devon Horse Show, food, cars, fun abound By Denny Dyroff, Correspondent, The Times Memorial Day Weekend marks the unofficial start of summer in Chester County. It also marks the beginning of one the area’s most-anticipated events — the annual Festival of Fountains at Longwood Gardens (Route 1, Kennett Square, 610-388-1000, longwoodgardens.org). From May 24 … Continue reading What to do: A jam-packed Memorial Day weekend