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 ...

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 ...

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 ...

Black walnuts are majestic trees whose nuts provide food for squirrels and other wildlife. But in a garden, they can be tricky, because they don’t play well with other plants, according to Doris ...

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, ...

Walnut trees are very special additions to the yard, offering spring yellow-green catkins and delicious walnuts in fall. While they can seem intimidating to grow, a little perseverance can make your ...

Landscaping under any tree can be challenging, thanks to the dense shade cast by the branches and the abundance of thick roots in the soil. But black walnut trees (Juglans nigra) seem to be in a ...

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 ...