The best way to Plant Willows Next to Black Walnuts

Black walnut trees (Juglans nigra) are appealing for his or her tasty nuts as well as the hard-wood, which makes gorgeous furniture. However, they’re often poisonous to trees and nearby crops. Black walnut trees exude toxic juglone (5-hydroxy-alphanapthaquinone) to the soil, which stunts the development and and finally kills most near-by crops and trees. Some trees, like willow, are more tolerant of juglone and may be developed having several precautions, near black walnut trees.

Planting Areas

When choosing where to plant your walnut tree, select an area that offers adequate drainage, ideally away from trees and crops in your lawn. This may help flush from crops that are delicate. Also much in the soil might nevertheless damage the plant although willow trees are tolerant of juglone. Place your tree outside the area that can serve as the drip line of your walnut when it matures — an average of about 60-feet. Juglone enters the soil when rain washes over the leaves also as from branches that are fallen. It is also exuded in the root program, which usually extends about to the drip line of the tree.

Keep It Clean

Reduce by keeping the floor free of particles in the walnut tree, the quantity of juglone that enters the soil. Quickly eliminate branches and sticks along with nuts and hulls. These may roll close to your own willow tree, growing the amounts that are juglone in the soil close to the willow. Look for black walnut seedlings that appear; eliminate any roots which have shaped as well.


Stay away from woodchips that contain branches or other debris out of your walnut tree in the event that you use mulch all around your willow tree. Also, do not use black walnut leaves that you program to distribute your willow tree around. This may concentrate juglone in the s Oil close to the roots of the willow.

Drastic Actions

Other plants which you may want to grow round the bottom of your willow tree may not be tolerant although willow trees are tolerant of juglone in the majority of situations. For the reason that case, it is possible to take some measures to keep the trees separated. Build a huge, lined elevated mattress for the willow tree, and dig a trench involving willow trees and the walnut. Fill the trench with concrete, that will keep the roots of the walnut from extending close to the willow tree. The mattress that is elevated aids keep the roots separated in the soil close to the black walnut of the willow. You nevertheless should choose up particles or walnut branches that land in the elevated mattress of the willow to avoid contamination that is juglone.

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