Blue Fleabane - Erigeron acer

    Alternative names
    Erigeron acris

    Short to medium (8 to 20 inches) densely grey hairy plant. Flowerheads 10 to 15 mm with purple rays, borne in panicles, often flat topped; rays only a little longer than the disc florets. Flower bracts often purplish. Basal rosette leaves and lowest stem leaves stalked, uppermost stalkless, narrowly lanceolate with entire margins untoothed or shallowly toothed.

    Similar Species

    The hybrid with Conyza canadensis (syn. = Erigeron) has been recorded in VC55, in Leicester

    Identification difficulty
    ID guidance

    Dull purplish mauve flowers, with ligules (ray florets) between 1mm and 4mm long; hairy lanceolate leaves

    Recording advice

    A photograph of the whole plant.  


    Dry grassland, walls, well drained calcareous soils.

    When to see it

    In flower during July and August.

    Life History

    Annual or biennial.

    UK Status

    Widespread and fairly frequent in much of England and Wales, scarce elsewhere in Britain.

    VC55 Status

    Occasional in Leicestershire and Rutland. In the 1979 Flora survey of Leicestershire it was found in 30 of the 617 tetrads.

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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