Bearded iris

Iris 'Black Swan'

Bearded iris - Iris  'Black Swan'

Common Name: Bearded iris
Genus: Iris
Cultivar: 'Black Swan'

Category: Bulbs, Corms, Tubers & Rhizomatous Plants
Growth Rate: Average

Hardiness: HardyHeight: 1.20 m (120 cm)
Sun/Shade: Full sun or Partial shadeSpread: 60.00 m (6000 cm)

Foliage Type: DeciduousFlower Colour: Black, Purple
Foliage Colour: Green, Grey/SilverFlowering Period: May & June

Soil Type: Sandy/Light or Chalky/Alkaline
Soil Moisture: Dry, well drained or Moist, but well drained

The sumptuious 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: Bearded irises prefer full sun and neutral-alkaline soil but if you have acidic or peaty soils you can top-dress with lime before planting for good results. 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.


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