"Mike LaMana" fake@MikeatHeartwoodConsultingdotnet wrote:

Could be winter burn, but it sure sounds like Phytopthora to me. The
coalescing of the spots is unlike the leaf-spot of Rhodo I see here.

Winter burn would not be spreading now. It would be static.

I wonder if it could be salt damage either from fertilizer or another
salt.

--
Pardon my spam deterrent; send email to
Visit my Rhododendron and Azalea web pages at:
http://home.earthlink.net/~rhodyman/rhody.html
Also visit the Rhododendron and Azalea Bookstore at:
http://home.earthlink.net/~rhodyman/rhodybooks.html
Cheers, Steve Henning in Reading, PA USA http://home.earthlink.net/~rhodyman