Q.Rhododendron
Pictures per prior e-mail.
Downtoearthdigs
Answered on May 22, 2018
This sounds like Rhododendron Stem Borers.
These articles have more information.
https://www.gardeningknowhow.com/ornamental/shrubs/rhododendron/issues-with-rhododendrons.htm
https://www.gardeningknowhow.com/ornamental/shrubs/azalea/azalea-branches-dying.htm
Was this answer useful?
00