Photinia Plants
Q.

redrobin

chris112 added on April 25, 2016 | Answered

Why are my redrobin leaves going yellow?

A.
A.Answers to this queston: Add Answer
Downtoearthdigs
Certified GKH Gardening Expert
Answered on April 27, 2016

It is best to take care of signs of issues right away with Photinia.
Yellowing leaves can be an indication of excess or poorly draining water.
Nitrogen deficiency is also a common cause of yellowing.
It is best to have a soil test done to ensure the correct application of a nitrogen rich fertilizer.
Inspect the plant for insects, an infestation can also cause the stress and yellowing of leaves.
Treat with Neem Oil for most insects.
Here are some articles with more information.

https://www.gardeningknowhow.com/ornamental/shrubs/photinia/growing-red-tip-photinia.htm
https://www.gardeningknowhow.com/ornamental/shrubs/photinia/red-tip-photinia-fertilizer.htm

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