Black Walnut trees are native to central and eastern North America and are deciduous, meaning they shed their leaves in the fall unlike evergreen trees, according to the United States Department of ...

With most trees, it’s best to let fallen leaves remain where they lie, but you can further reduce the concentration of juglone in the soil around a black walnut tree by keeping the area clean.

This week, we meet Black walnut or Juglans nigra. Also known as American black walnut or eastern black walnut, this species has compound leaves with several pairs of leaflets along the individual leaf ...