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AquaticBogsHerbaceous Perennial

Iris 'Regal Surprise' (SpH)
  • RHS AGM

iris 'Regal Surprise'

'Regal Surprise' is a deciduous perennial, a hybrid of I. pseudacorus and I. versicolor, that flowers in early summer, violet-purple and white with a yellow signal on the falls

Synonyms
Iris pseudacorus 'Regal Surprise'
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Size
Ultimate height
0.5–1 metres
Time to ultimate height
2–5 years
Ultimate spread
0.5–1 metres
Growing conditions
Clay
Loam
Sand
Moisture
Poorly–drained
pH
Acid, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green
Summer Purple White Yellow 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 the UK
No
Foliage
Deciduous
Habit
Clump forming
Potentially harmful
Harmful if eaten. Wear gloves and other protective equipment when handling
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

How to grow

Cultivation

Grow in moist to wet, deep, humus-rich, acid soil in full sun. Suitable for pond edges and bog gardens. See pond plants and bog gardens for further advice

Propagation

Propagate by dividing irises from mid-summer to early autumn. See dividing irises

Suggested planting locations and garden types
  • Cottage and informal garden
  • Wildflower meadow
  • Low Maintenance
  • Flower borders and beds
Pruning

No pruning required

Pests

May be susceptible to iris sawfly

Diseases

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

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