Elm Tree Burls
Name: Bette C.
My Father has a large elm tree with many green foliage burls all over it, branches and
all. What causes this and will they hurt the tree? I believe the tree to be about 80 years old
and it is quite beautiful and appears to be very healthy.
It is probably fine. The following might be helpful for things to watch for.
Anthony Brach, Ph.D
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Update: June 2012