Planting Flowers Under Walnut Trees
Is there any truth to the saying that flowers won't grow under walnut trees? What is your advice?
Certified GKH Gardening Expert
It is true if it is a black walnut tree. Black walnuts are poisonous to most plants. This article will help: https://www.gardeningknowhow.com/edible/nut-trees/black-walnut/black-walnut-compatible-plants.htm