Identification: Black spots on Camellia

Discussion in 'Outdoor Gardening in the Pacific Northwest' started by willi2, May 26, 2023.

  1. willi2

    willi2 Active Member

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    South Surrey, BC
    I’m not sure if this is the right forum, so please forgive me if I’m ‘out of place’…like a weed

    Is anyone able to tell me what is going on with this Camellia? Not sure if the yellowing is due to the same issue as the dark spots, but in any event, just trying to help this guy.

    Thank you.

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  2. Acerholic

    Acerholic Paragon of Plants Forums Moderator VCBF Cherry Scout Maple Society

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    Hampshire England Zone 8b UK
    It looks to me as though your soil pH is too high. This causes lime-induced chlorosis. Yellowing of the leaves.
    To help your Camellia, I would mulch with an ericaceous compost.
    As far as the brown spots is concerned. It could well be a fungal pathogen or leaf blight fungi that is attacking it. This is more likely to happen when the plant has been weakend by it being in too alkaline soil.
    There are chemicals on the market to spray, but IMHO I would work on helping the ph levels first, which will give your Camellia the vigure and strength to combat any fungal attacks.
    Any fallen leaves should be picked up and burnt to stop the spread of the problem.

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