The leaf scars on butternut have a hairy top fringe, while walnuts do not. During dormancy, the black walnut can be identified by examining the bark; the leaf scars are seen when leaves are pulled ...

The leaves, which are arranged alternately on the twigs ... For full article with additional photos view: Intro to Trees of Indiana: Black Walnut, Forestry and Natural Resources’ News.

Since juglone is in all parts of the black walnut, it'll help if you can rake fallen leaves out of your flower garden. Accumulated leaves can leach juglone into the soil via rain and by breaking ...

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.

which is alternate in leaf arrangement. Black walnut and butternut tree leaves will have an alternate leaf arrangement. These trees will have a terminal leaflet with nine to 21 broadly lance ...