Red Twig Dogwood
Q.

Red twig dogwood bush

Zone 20198 | Linda_f_hughes added on June 6, 2016 | Answered

Some of the leaves are turning yellow. What is the cause?

A.
A.Answers to this queston: Add Answer
Downtoearthdigs
Certified GKH Gardening Expert
Answered on June 8, 2016

Yellowing leaves could be due to pests, disease or environmental stresses.
Check for marks on the leaves or holes in the leaves.
Leaf scorch can be caused from excess wind in hot weather. This may look like disease but it is not.
Watering is necessary during dry hot spells. Adding a good 3 to 4 inches of hardwood mulch around the shrub will help with moisture retention.

https://www.gardeningknowhow.com/ornamental/trees/dogwood/red-twig-dogwood-care.htm

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