Orange pimples on the bark indicate the presence of cytospora canker. Cankered branches need to be removed. For more information on the disease, refer to: Cytospora Canker
Please see PlantTalk script "Aspen trees" for more information on aspen care.
These resources are brought to you by the Cooperative Extension System and your Local Institution
Welcome
eXtension is an interactive learning environment delivering the best, most researched knowledge from the smartest land-grant university minds across America.
eXtension: more mind reach
Have a question? Try asking one of our Experts
What are the orange pimples on the bark of my aspen trees?
Last Updated: July 26, 2010
Have a specific question? Try asking one of our Experts
Unlike most other resources on the web, we have experts from Universities around the country ready to answer your questions.
