Winterthur Museum Annual Plant Sale Written by kzentner on May 12, 2016 Loading Map.... Winterthur Museum5105 Kennett Pike (Route 52) - WinterthurDetails 39.80572470000001 -75.60103320000002 Date/Time Date(s) - 05/12/2016 - 05/15/20169:00 am - 5:00 pm Location Winterthur Museum Category(ies) spring fundraiser