The canopy is round in shape and expansive, spreading about 50 to 75 feet wide. As deciduous trees, they lose their leaves in wintertime. When in leaf, however, black walnut trees can easily be ...

Black walnut trees produce a chemical called juglone as ... Plants within the dripline or the edge of the canopy will be most susceptible to juglone. However, the toxic zone around a mature ...

Black walnut is the most valuable individual tree in Indiana based solely on the dollar value of the wood produced. This is primarily due to the very high value of walnut veneer; but considerable ...