Q: The leaves on the top 10 feet of my black walnut withered and turned brown in about two days. Fifteen feet up the trunk, something has completely girdled a 15-inch section. This was not a neat ...

Many invasive plants have harmless lookalikes that are perfectly safe to use in your yard, and this pretty tree is one of the ...

Purdue Extension forester Lenny Farlee shares identifying characteristics of the black walnut tree, also known as the American black walnut or eastern black walnut, including pairs of leaflets running ...

An insect-fungus is damaging thousands of black walnut trees not only in California and other western states, but has now spread to Pennsylvania, Tennessee and Virginia, according to a just-published ...

For many urban gardeners, a black walnut is not a friendly tree. Though black walnut is valued for its fine quality timber, it has a detrimental property that inhibits many plant species from growing ...

Students from different universities attending a summer program at UT's National Institute for Mathematical and Biological Synthesis are investigating the spread of thousand cankers disease, which has ...