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Iris robusta 'Gerald Derby'

Iris 'Gerald Derby'
Product Images
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Product Description
This iris has attractive arching deep purple-black stems coming from long green leaves with purple staining at the base. Each stem produces 4 or 5 flowers with purple-blue falls, marked with a yellow and white signal and dark purple-blue veins.
Product Properties
  • Water Depth 0cm - 20cm
  • Foliage Height 100cm - 120cm
  • Flower Height 100cm - 120cm
  • Position Full Sun - Partial Shade
  • Growth Moderate
  • Spread 75cm
  • Flowers June - July
  • Flower Colour Purple - Blue
  • Foliage Deciduous
  • Hardiness Hardy
  • Pollinator Yes
Product Care
Once the foliage has died back in autumn, cut back to just above the water’s surface.