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Iris histrioides 'Major'

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© RHS 1984

Characteristics

Plant type

Bulb

Habit

Tufted

Toxicity

Ingestion may cause severe discomfort

Resilience

Hardiness

old H4 (hardy)

Colour

Flower

Yellow and Dark Blue in Spring

Foliage

Green in Spring

Size

Ultimate height

0.1-0.5 metres

Ultimate spread

0-0.1 metre

Time to ultimate height

2-5 years


Preferred common name

iris 'Major'

Family

Iridaceae


Iris may be rhizomatous or bulbous perennials, with narrowly 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

'Major' is a bulbous perennial to 15cm in height, with linear, 4-angled leaves and large deep blue flowers, marked with yellow on the falls, in early spring

How to grow

Sunlight

  • Full sun

Aspect

  • South-facing, North-facing, West-facing or East-facing
  • Exposed or Sheltered

Cultivation

Grow in well-drained neutral or slightly alkaline soil

Soil

  • Well-drained or Moist but well-drained
  • Alkaline or Neutral
  • Chalk, Clay, Sand or Loam

Propagation

Propagate by seed, sown in pots in a cold frame in autumn or spring. Lift and separate bulbs in early autumn

Suggested planting locations and garden types

City/Courtyard Gardens, Cottage/Informal Garden, Flower borders and beds, Patio/Container Plants or Rock Garden


How to care

Pruning

No pruning required

Pests

Susceptible to damage by slugs and snails

Diseases

Generally disease free