Yellow Iris - Iris pseudacorus

    Alternative names
    Yellow Flag

    Stout, medium to tall tufted, rhizomatous plant. Leaves long, sword shaped, 10 to 30 mm wide, with a conspicuous raised mid-rib, slightly grey-green. Flowers 4 to 12 yellow, 70 to 100 mm the broad oval falls, veined and dotted with green.

    Identification difficulty

    Freshwater margins.

    When to see it

    June to August.

    Life History


    UK Status

    Quite common throughout Britain.

    VC55 Status

    Fairly frequent in Leicestershire and Rutland. In the 1979 Flora survey of Leicestershire it was found in 166 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