Rhododendron Plants
Q.

rhododendron bushes

Zone Vancover island | Sheena montgomery added on August 17, 2015 | Answered

Inherited two rhododendron bushes (Vancover Island). Top leaves covered in white fur like texture. The plants look sad.

A.
A.Answers to this queston: Add Answer
Downtoearthdigs
Certified GKH Gardening Expert
Answered on August 19, 2015

This could be Powdery Mildew or even Mealybug.
Neem Oil is a treatment, as it works as both an insecticide and fungicide.
Trim away the dead and damaged material and dispose of.

Here are some links for you that may help you pinpoint issues and care information.
https://www.gardeningknowhow.com/ornamental/shrubs/rhododendron/issues-with-rhododendrons.htm
https://www.gardeningknowhow.com/ornamental/shrubs/rhododendron/pruning-rhododendrons.htm
https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm

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