Red Tip Photinias
Q.

Red Tip shrub/trees

Zone I don't know about the gardening zone but I live in North Arkansas | ken rega added on May 18, 2015 | Answered

I have numerous Red Tip shrub/trees. Most are at least 20 feet tall. Last year they started losing their leaves and I sprayed them with a rose solution. This year, however, the leaves are falling worse and I have a large oak tree by the house that English Ivy has taken over. The leaves are starting to yellow and fall off of it also. Can you tell me what you think may be going on and what fungicide I should be using?

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

I would evaluate your red tips for Entomosporium Leaf Spot, which would cause the leaf drop you are experiencing. For information on photonia leaf spot and a course of treatment, please visit the following link:
https://www.gardeningknowhow.com/ornamental/shrubs/photinia/photinia-leaf-spot.htm

As for the oak tree, it is very possible that the English ivy is the cause of its problems. English ivy can damage trees and competes with it for water, nutrients, and light. It can also transmit bacterial leaf scorch, which causes leaves to be tinged with a yellow or reddish-brown color and to drop prematurely.

For more information on english ivy and tips on how to remove it, please visit the following link:
https://www.gardeningknowhow.com/ornamental/groundcover/english-ivy/kill-english-ivy.htm

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