Eryngium planum


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Flat Sea Holly - Herbaceous Perennial in 1L Pot

  • Eryngium planum is herbaceous perennial, that has a robust growing habit. It produces eye-catching, steely-blue spiky flower heads in Summer to early Autumn, on tall stems grown above rounded, dark green foliage. Each flower head is made up of narrow, spiny bracts measuring 2.5cm in length. The stems can also be cut and used in flower arrangements.
  • Eryngium planum are loved by a variety of pollinating insects such as bees, butterflies and moths. This plant has received the RHS Plants for Pollinators seal of approval.

  • Eventual Height

    0.5-1 Metres

  • Pot Size


  • Season of Interest

    Foliage - Spring to Autumn Flowers - Summer

  • Light Required

    Full sun

  • Watering

    Moderate watering

  • Best Growing Conditions

    It is ideal for growing in coastal gardens, cottage style gardens and wildlife gardens, in a sheltered west or south facing area.

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