Cons of black walnut trees

Asked October 1, 2015, 9:10 PM EDT

I have heard that black walnut trees give off secretions that are harmful to flower beds. Is there any truth in that?

Isanti County Minnesota juglone black walnut trees

1 Response

Thank you for the question. Black walnut tree roots produce a substance called juglone that can kill some plants grown in the vicinity of them. Read about it here:
http://ohioline.osu.edu/hyg-fact/1000/1148.html

Thank you for the question.