It may not look like much in its 3-gallon container right now, but you don’t want to create maintenance issues down the road with overhanging utility lines, roof overhangs or other trees.
MSN20d
Black walnut trees store juglone in a non-toxic form known as ... roots grow within 0.25 to 0.5 inches of the black walnut's decaying roots. Growing your plants in containers or raised beds ...