Add Yahoo as a preferred source to see more of our stories on Google. MariaBrzostowska / Getty Images Juglone is a naturally occurring toxin released by certain plants to limit competition by damaging ...

The black walnut tree (Juglans nigra) is well-loved for its beauty and the walnuts it grows. However, the roots of this tree produce juglone, a chemical released in the soil surrounding the tree that ...

Many Midwestern yards are adorned by black walnut trees. The black walnut (Juglans nigra) is a large, handsome native tree that bears edible nuts. There’s just one problem with black walnuts: They’re ...

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 ...

A: Yeah, that's one of the down sides of any fruit or nut tree in a high-traffic area. Another issue with walnuts (and their removal) is that their leaves, bark and roots put out a substance called ...

I have heard that there can be problems with growing some plants near a black walnut tree, and I was wondering how big of a concern this could be. I have an interest in vegetable gardening. — Susan ...

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 ...

Juglone is produced by black walnuts and other trees. Here's how to fix it Juglone is a naturally occurring toxin released by certain plants to limit competition by damaging nearby plants. The best ...

Black walnuts and a few other trees release a toxin known as juglone into the soil, which interferes with the growth of sensitive plants. But what is juglone exactly, and why is it so damaging to some ...