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, ...

ST. PAUL — October's Weed of the Month is a tree called black locust (Robinia pseudoacacia). Black locust is native to North America but not native to Minnesota. It has been widely planted as an ...

Honey locust (Gleditsia triacanthos) is a deciduous and thorny legume tree that is aggressive and fast-growing. The tree’s bark is grayish-brown and furrowed with long, scaly ridges. Honey locusts ...

The photo is of a sycamore tree at Red-tail’s McVey Memorial Forest. A walk in the woods this time of year is different. It’s quiet and monochromatic. Other than the crunch of your shoes on frozen ...

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 ...

A stand of trees on Goose Island looks a little naked. It’s part of a pilot project to remove unwanted species such as black locust, which have taken over about 100 acres of the U.S. Army Corps of ...