However, not all trees are suitable for a domestic backyard. Aggressive and invasive root systems, adventurous suckers, ...

A: The tree in the photo is black walnut, Juglans nigra, and it's a well-adapted tree for the Upper Midwest. The walnuts, located inside the green husk, are completely edible when ripe.

A walnut tree can be a beautiful addition to your yard, but growing one comes with unique challenges. Learn what to expect before you plant one.

The black walnut (juglans nigra) became Missouri’s official state tree nut back in 1990. Yet this native species isn’t as widely celebrated as the more well-known English walnut variety ...

It starts off as one sex, and then transitions based on what it needs to survive.” Brenda Contreras and Micah Haserjian stand in front of a black walnut tree at Debs Park. Photo by Zoie Matthew. This ...