gsable
New Member
I have 20 or so large (over 80 feet tall), old growth oak trees that have hard carbunkle like growths on the outer most limbs. These are generally round, hard, wood like growths.
My questions are, what are they, do they hurt the tree, if harmfull how do I correct the problem.
I've attached photo.
My questions are, what are they, do they hurt the tree, if harmfull how do I correct the problem.
I've attached photo.