Quaking Aspen - Knowledgebase Question

Frederick, CO
Question by pzqltwld
March 18, 1999
I noticed nodules growing on the limbs of my young quaking aspen trees. I have three and they all have them. I wasn't sure if it was something to be concerned about or if it was a natural thing. There is no secretions from the nodules or any appearance of bugs or fungus. Is this natural?

Answer from NGA
March 18, 1999


Quaking Aspen (Populus tremuloides) naturally develop enlarged oblong orange-colored lenticles along the branches. It's nothing to be concerned about and part of the unique characteristics of Aspens.

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