Winterthur Museum Annual Plant Sale Written by kzentner on May 18, 2017 Loading Map.... Winterthur Museum5105 Kennett Pike (Route 52) - WinterthurDetails 39.80572470000001 -75.60103320000002 Date/Time Date(s) - 05/18/2017 - 05/21/20179:00 am - 5:00 pm Location Winterthur Museum Category(ies) spring fundraiser