What Won't Grow Around Walnut Trees?

Answer Black walnut trees (Juglans nigra) emit a compound called juglone that can harm, or even kill, many plant species. Though some plants tolerate juglone, others are so sensitive to the substance that... Read More »

Top Q&A For: What Won't Grow Around Walnut Trees

How to Grow Walnut Trees With Black Walnut Rootstock?

Black walnut trees grown from seed yield a small percentage of kernel per nut, in a shell that is notoriously difficult to crack. According to the University of Missouri, black walnut trees that ar... Read More »

What Plants Can Grow Under Black Walnut Trees?

Black walnut trees excrete a chemical substance called juglone. This chemical will kill or stunt the growth of many plants. Juglone is found mainly in the roots of a black walnut tree. The root sys... Read More »

How fast do walnut trees grow?

The black walnut tree is a deciduous tree that has a medium growth rate, making it capable of growing 13 to 24 inches annually. The Carpathian English walnut tree, on the other hand, grows at a fas... Read More »

Where do walnut trees grow in New Jersey?

Walnut trees, including the black walnut, live throughout New Jersey except near the northern border. Walnut trees prefer neutral, well-drained soil, where several trees cluster together. They gro... Read More »