Q: A couple of doors down from our home there is a large, round-headed shaped tree in the yard that has fairly large clusters of white blooms. Sort of shaped like a cluster of grapes. When we asked ...

The coming of autumn often makes trees harder to identify — but sometimes, it does the opposite. The black locust (Robinia pseudoacacia) is a case in point. In summer, its bluish-green, oval-shaped, ...

Black locust is a member of the legume family; it can “fix nitrogen” in the soil. It is native to the Appalachian Mountains, from Pennsylvania to Alabama. However, in the last century, it has spread ...

I have received several inquiries from readers about the many roadside trees turning brown this summer. The question is usually, “What is killing all of those trees?” The trees in question are likely ...

SEQUIM –– For perhaps 86 years of the century of Sequim’s existence, a black locust tree has stood at 154 W. Alder St., even if it has needed a little help lately. Wrapped around the tree, which long ...

Residents of a Vancouver Island neighbourhood battling to contain the destructive roots of invasive ornamental trees are demanding the town act to remove the species and are questioning why it was ...

A new study shows that nitrogen-fixing trees could help forests remove more heat-trapping COS from the atmosphere than previously thought. Black locust trees have a symbiotic relationship with ...