Close cousins to the garden iris, Sisyrinchium ‘Devon Skies’ grow in a habit of sword-shaped elongated green leaves, producing purple flowers with a dark blue stigma and a yellow head. Devon Skies can be propagated by splitting the clumps every 3 to 4 years. A hardy plant, it is great for use in rocky areas or as an edging or a low border plant, or in a small clump planted in a pot.

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Sisyrinchium Devon Skies

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    • Place plant in Full Sun environments.
      Mulch well after planting to retain moisture.
    • Plant in loamy soil and sandy conditions that have good drainage.
    • Drought Tolerant plant, water occasionally (2x per week) when establishing the plant.
      Water sparingly (1x per week) in general care.
      Allow soil to dry between watering sessions.
    • Fertilize annually during spring with long lasting fertilizer.
    • Remove dead flowers and foliage when necessary.

    Tolerant of these conditions
    Heat Conditions, Drought Conditions, Mild Frost Conditions

    NOT Tolerant of these conditions
    Mild Humid Conditions


  • Botanical Name

    Sisyrinchium angustifolium

    Plant Type

    Grass or Grass Like, Ground Cover

    Mature Growth Dimensions

    (Height x Spread)

    30 cm x 30 cm

    Sun Exposure

    Full Sun



    Bird / Wildlife Attracting?


    Australian Native?


    Deciduous or Evergreen?




    Foliage Type

    Strappy, sword shaped clump

    Foliage Colour



    Yes, Composite

    Flower Colour

    Blue, Yellow

    Flowering Season

    Spring, Summer