Rose Rust - Phragmidium mucronatum


    See description under Life History

    Identification difficulty

    On roses.

    When to see it

    See Life History

    Life History

    In spring bright orange pustules appear on the leafstalks, branches, leaf underside and any remaining hips. During summer yellow-orange pustules then develop on the undersides of leaves, becoming interspersed with black pustules in late summer/early autumn. It usually overwinters in the form of teliospores associated with fallen leaves.

    UK Status

    Widespread and common in Britain.

    VC55 Status

    Quite common in Leicestershire and Rutland.

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    Leicestershire & Rutland Map

    MAP KEY:

    Yellow squares = NBN records (all known data)
    Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015

    UK Map