I did and didn't see any. It's kind of web-like and seems to be on the
underside of the top leaves as well.

Thanks for the help!

Scruffy Dog wrote:

Have you looked for any bugs inside the "white stuff"? If that is too
gross for you , just see if a spray with the hose gets it off. Other
than that i haven't a clue, but I'll do some research on it.

Alan