Preview: Dahlia Source is in early development. Grower listings are samples and photos are illustrative.

    Illustrative dahlia photo

    Illustrative photos, not of Bishop of Llandaff. Cultivar-accurate photos are coming.

    Bishop of Llandaff

    PeonySize unverifiedScarlet

    The best-known dark-leaved dahlia: semi-double scarlet blooms held over deeply cut, almost black foliage. Bred by Fred Treseder of Cardiff and launched in 1928, it is named for the Bishop of Llandaff and has been a border staple for nearly a century.

    Specifications

    Bloom Form
    Peony
    Color
    Bright scarlet blooms over deeply cut, near-black foliage
    Height
    36–42"
    Hybridizer
    Fred Treseder
    Introduced
    1928
    Origin
    United Kingdom

    Growing Notes

    At about a metre tall it is shorter and sturdier than the big decoratives, and the dark foliage is ornamental before the first bloom opens. Grow it in full sun — the leaves lose their depth of color in shade. It flowers over a long season and suits mixed borders.

    Where to Buy

    None of the nurseries we track list Bishop of Llandaff right now.

    Sources: Wikipedia, Hartley Botanic. Specs no source confirms are left out rather than guessed.