Many of Holden Arboretum’s younger beech trees have died since the disease was first reported at the Kirtland-based institution in 2014, while some of the mature trees have started to die as well.

Off Route 6 on Cape Cod, a few miles in from the bay near Yarmouth, Mass., there hides a giant ancient English weeping beech. The tree is so big that it has its own parking lot.

The spot where the tree now stands will not be empty for long. The church members are meeting with Westfield’s Greening Our Community on Wednesday to discuss planting a new tree in its place.

SPRINGFIELD — The European beech tree hundreds of years old that stands outside the federal courthouse will be taken down this spring. After nursing the tree for more than a decade, the U.S ...