Growing massive trees for shade is an easy way to keep your garden safe from the hot sun, but some trees come with more drawbacks than others. Walnut trees are gorgeous, native, and provide excellent ...

PENROSE, Colo. ” It’s a challenge growing trees in southern Colorado, but one very patient man has found a way to cultivate black walnut trees, creating a hardwood legacy for the next generation.

Black walnut trees have high levels of the toxin juglone, in all parts of the tree, including roots and leaves. Why keep black walnut trees? They are one only a few nut trees that survive in cold ...