why are the leaves on my wisteria vine burnt?

Question

Why are the leaves on my wisteria vine burnt?

Answer 1

It is likely a fungus causing that. Treat the plant with a fungicide (like neem oil) and that should fix it.

I would also check for crown or root galls. Here is some information on them that may be helpful: http://ucanr.edu/blogs/blogcore/postdetail.cfm?postnum=6710