Black walnut trees have high levels of the toxin juglone, in all parts of the tree, including roots and leaves. Why keep black walnut trees? They are one only a few nut trees that survive in cold ...

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 ...

Exposure: Prefers north-facing hills. Can tolerate full sun. Pruning needs: Remove dead wood as needed. Water needs: Adaptable to drought conditions. This is a tree of many common names: Northern ...

English walnut trees throughout Utah Valley have poor leaf-out and bare branches. Not all the branches that look dead are dead. Give the trees good care, remove branches that are truly dead, and give ...

Q: My large walnut tree has many dead branches this year. Can it be saved? — Tom in Paso Robles A. If you drive by the walnut and almond orchards in Paso Robles, many dry farmed for centuries, you ...

Q: I just put in an all-native garden this spring, and it is getting a lot of leaves falling from trees near it. Unfortunately, most of the trees are black walnuts. Due to the juglone these trees give ...

Black walnut trees have a reputation for being hard to get along with, at least to gardeners wishing to grow tomatoes and other plants in their vicinity. The trees produce a chemical called juglone, ...

Q: I have two black walnut trees close to my house. I need to get them taken down and I wonder if there are avenues available to sell the valuable lumber. Tim Thompson, Cartersville A: My mother ...