Black walnut poisoning
Black walnut poisoning
The roots of the black walnut contain a chemical called juglone that kills the roots of other plants that touch the roots of black walnut trees. The chemical can take several years to kill a plant. Among landscape plants, evergreens are most susceptible to juglone. The roots of the black walnut extend beyond the tips of the outermost branches.
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by the editors of Old-House Interiors magazine
by the editors of Old-House Interiors magazine
