Maple Trees

Purple Leaf Maple

Anonymous added on March 10, 2011 | Answered

There are patches of grey/white on the bark of my Norwegian maple (Crimson King). Is it likely to be a fungal infection or mildew? It will not wash off easily but can be scraped off with nail.

Share this Question:
Log in or sign up to help answer this question.
Check here if you would like to receive notifications every time this question is answered.
You are subscribed to receive notifications whenever this question is answered.
Certified GKH Gardening Expert
Answered on March 11, 2011

It sounds like the plant just has a lichen. It is not harmful to the plant. Here is more information:

Was this answer useful?
Looking for more?
Here are more questions about Maple Trees

You must be logged into your account to answer a question.

If you don't have an account sign up for an account now.