Red Oak problem? - Ask Extension
I planted the Red Oak 20+ years ago, now the short branches are falling off easily and possible something the underside of the leaf. Is there somethin...
Knowledgebase
Red Oak problem? #404920
Asked June 05, 2017, 6:59 PM EDT
I planted the Red Oak 20+ years ago, now the short branches are falling off easily and possible something the underside of the leaf. Is there something wrong with my tree?
Jefferson County Colorado
Expert Response
Yes, your tree is infested with Kermes scales. this is an insect that damages the connective tissue at the point where new growth begins in the spring. Here is some information on this pest and how to control it. http://planttalk.colostate.edu/topics/insects-diseases/1400-11-kermes-scale-oak-trees/
