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Herbaceous Perennial

Iris 'Gwyneth Evans' (BB)

iris 'Gwyneth Evans'

A rhizomatous perennial with fans of glaucous-green foliage. Flower stems 60cm high bear up to four flowers per stem, white standards are edged and striated with vivid-violet, creamy falls are also striated purple and have a deep violet beard. Flowers late spring to early summer

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Size
Ultimate height
0.5–1 metres
Time to ultimate height
2–5 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Chalk
Loam
Sand
Moisture
Well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Cream Purple White Green
Summer Cream Purple White Green
Autumn Green
Winter
Position
  • Full sun
Aspect

South–facing or West–facing

Exposure
Exposed or Sheltered
Hardiness
H7
Botanical details
Family
Iridaceae
Native to GB / Ireland
No
Foliage
Deciduous
Habit
Clump forming
Potentially harmful
Harmful if eaten. Wear gloves and other protective equipment when handling. Pets: Harmful if eaten. For further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
Genus

Iris may be rhizomatous or bulbous perennials, with narrow leaves and erect stems bearing flowers with 3 large spreading or pendent fall petals, alternating with 3 erect, often smaller, standard petals, in late winter, spring or early summer

Name status

Accepted

Horticultural Group
Border Bearded irises are rhizomatous herbaceous perennials to 70cm tall with flowers 10-13cm across in late spring and early summer, each fall petal bearing a prominent beard

How to grow

Cultivation

Grow in well-drained neutral to alkaline soil in full sun; acid soils tolerated if reliably well-drained

Propagation

Propagate by dividing iris rhizomes from midsummer to early autumn

Suggested planting locations and garden types
  • City and courtyard gardens
  • Coastal
  • Cottage and informal garden
  • Gravel garden
  • Flower borders and beds
  • Wall side borders
Pruning

Remove any dying foliage in autumn, old flower stems can be cut down after flowering

Pests

May be susceptible to slugs, snails and thrips

Diseases

May be susceptible to aphid-borne viruses, bacterial soft rot and grey moulds; see Iris diseases

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