The American chestnut was all but destroyed by fungal blight and logged as settlements spread west when the United States was settled by Europeans. But lately, it’s making a comeback. Endangered for ...

“We called them gray ghosts,” the now 77-year-old retired forester says of the American chestnut tree scattered throughout his former North Carolina home and still towering over the forest floors.

A startup called American Castanea has joined the quest to revive the American chestnut tree, the first step in its plan to give forests a genetic upgrade. Under a slice-of-heaven sky, 150 acres of ...