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Olive tree problems?

I've finally got my olive tree with me and I find it's got black stuff over the branches and some leaves. The leaves wipe clean with my fingers. 

Anyway to get rid of that ?



  • DovefromaboveDovefromabove Posts: 86,112
    Sounds as if it’s had some sort of insect infestation which has produced honeydew which in turn has produced a black/sooty mould. 
    I’d wipe it off with a damp cloth. 
    Check the stems and backs of leaves for scale insects. 

    Gardening in Central Norfolk on improved gritty moraine over chalk ... free-draining.

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