What is this on my Clematis - Ask Extension
The plant is probably 25 years old and this is the first time I’ve had this. Will you please identify the problem and give advice about cleaning it ...
Knowledgebase
What is this on my Clematis #871225
Asked June 02, 2024, 10:49 PM EDT
The plant is probably 25 years old and this is the first time I’ve had this. Will you please identify the problem and give advice about cleaning it up?
Ramsey County Minnesota
Expert Response
It's some kind of rust fungus. Remove the infected leaves. Increase air circulation and don't water overhead. Look here at a similar infection:
https://www.flickr.com/photos/treebeard/<personal data hidden>
https://www.flickr.com/photos/treebeard/<personal data hidden>
Thank you!
