Viburnum Shrubs

Why Are the Leaves on My Virburnums Turning Red?

panini added on July 5, 2011 | Answered

My viburnum bushes appear to be dying or are infected. The leaves are turning red/brown, falling off and dying, and branches are weak at base of plant, falling off as well. I was told it might be infected with a borer. What is a viburnum borer? Could this be responsible? How can I get rid of it? Will cutting off the infected branches help? I have sprayed with an insecticide containing permethrin. Will that help?

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Certified GKH Gardening Expert
Answered on July 11, 2011

The leaves are turning red due to something killing it and it could well be a borer issue. Here are more information about them and their control:

It may also be a fungus, which can be treated with a fungicide.

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