Iris 'Black Swan'

bearded iris

1 year guarantee
All you can buy delivered for £4.99

  • Position: full sun or partial shade
  • Soil: well-drained, moderately fertile soil
  • Rate of growth: average
  • Flowering period: May and June
  • Hardiness: fully hardy

    The sumptuous petals of this bearded iris are deep purple, which look almost black in certain lights. They have a brown beard and appear in early summer on upright stems above the sword-shaped, grey-green leaves. Plant in big swathes for maximum impact, or mix it in smaller clumps in a sunny, well-drained border among other perennials. A tall variety that will need staking if planted in exposed positions.

  • Garden Care: Plant shallowly with the upper part of the rhizome sitting on the surface of the soil, incorporating a low nitrogen fertiliser in the planting hole. After planting remove the upper-most third of the leaves to protect against wind-rock. In exposed areas stake with bamboo canes in early spring. Divide and replant about every three years.

  • Harmful if eaten

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1 Question | 1 Answer
Displaying question 1
  • Q:

    Iris Cliffs of Dover

    Hi Crocus Advice please. All the Iris 'Cliffs of Dover ' appear to have died back to ground level is this normal for Irises and will they reappear next season? Thanks Chris
    Asked on 8/29/2009 by Chris Greenshields

    1 answer

    • A:

      Hello Chris These plants do die back at this time of the year so I would not be concerned and then put on lots of new growth in spring. Best regards, Helen Plant Doctor

      Answered on 9/1/2009 by Crocus Helpdesk
Displaying question 1

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