Key Points Tomato plants wilt for many reasons—like lack of water or insects—so quick diagnosis is key to saving your garden.Most causes like fungal wilt, viruses, and black walnut toxicity have no ...

A homeowner is seeking permission to fell a 'toxic' tree in their garden. The black walnut tree, situated at the entrance of ...

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 ...

Black walnuts, butternuts, and a few other types of trees release a chemical compound known as juglone, which suppresses the growth of neighboring plants. Nightshade crops, such as tomatoes and ...

They release a compound called juglone, a natural toxin that seeps into the soil through their leaves, roots, and fallen nuts. Juglone inhibits the growth of many plant species, including fruit trees ...

2. Plants that release juglone Some plants produce substances that inhibit or suppress the development of other plant species - this is called allelopathy. Julia noted that “walnuts are a ...

The emission of juglone from the black walnut tree's roots, nuts, and leaves can severely inhibit the growth of several plants, including tomatoes. Julia cautioned: "So, make sure to plant your ...

I hadn’t known that the large tree overhanging it could produce a toxic substance called juglone, concentrated in its buds, nut hulls and roots. Black walnut trees are killers. By now it was ...

Another plant to avoid is black walnut trees. Black walnut trees produce a substance known as juglone, which is 'toxic to many plants', and this includes hydrangeas. The juglone is released into ...

The black walnut tree secretes a chemical from its roots, fallen leaves, and husk of the black walnut known as juglone. This chemical gives the black walnut tree an allelopathic effect ...