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Leaf Spot on Standard Photinia

Greenish Fingered GirlGreenish Fingered Girl Posts: 47
in Problem solving
Good Evening Everyone, I am hoping you can help please! We have a standard photinia that we love dearly which has developed black spots all over each of its leaves. It is usually a very healthy tree and don’t know why this leaf spot has occurred! Does anyone have any tips on how to cure it please? 
Thanks :)

Posts

  • yorkshireroseyorkshirerose Posts: 574
    Photinia, if under stress are very prone to leaf spot, as are semi mature specimens.
    Pick off the worst affected ( I know that may mean most of them at this time of year) or wait until they drop as new foliage appears , but make sure you collect and destroy all fallen leaves to avoid contamination

    The attched link has some good information under the section headed 'problems'
    Hope this helps.
    https://www.rhs.org.uk/advice/profile?pid=145
    A gardener's work is never at an end  - (John Evelyn 1620-1706)
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