From 1974 to 1991 the University Arboretum offered a Memorial Tree Program, which gave donors the opportunity to plant a tree in someone's memory. This program helped to significantly develop the ...

About 2,000 native deciduous trees of various types were planted at the memorial from 2012 to 2016, a key feature of the park's landscape design. The first tree replanting may take place next spring.

SHANKSVILLE, Pa. (AP) — Officials say it will take decades to replace and revitalize trees at the national memorial in western Pennsylvania to the crew and passengers who died there when a ...