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Herbaceous Perennial

Iris 'Maui Moonlight' (IB)
  • RHS AGM

iris 'Maui Moonlight'

'Maui Moonlight' is an herbaceous perennial to 65cm in height with glaucous-green foliage and up to five pale yellow flowers, the falls with deeper veins and deep yellow beard

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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
Loam
Sand
Moisture
Well–drained
pH
Acid, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Yellow Green Grey Silver
Summer Yellow Green Grey Silver
Autumn
Winter
Position
  • Full sun
Aspect

East–facing or South–facing

Exposure
Exposed or Sheltered
Hardiness
H7
Botanical details
Family
Iridaceae
Native to the UK
No
Foliage
Deciduous
Habit
Clump forming
Potentially harmful
Ingestion may cause severe discomfort. Wear gloves and wash hands after 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

Horticultural Group
Intermediate Bearded irises are deciduous rhizomatous perennials, growing between 40 and 70cm tall, with sword-shaped light glaucous green leaves and erect stems bearing flowers 10-13cm across, bearded on the falls, in late spring and early summer

How to grow

Cultivation

Grow in well-drained, fertile, neutral to slightly acid loam in full sun

Propagation

Propagate by division of rhizomes from midsummer to early autumn

Suggested planting locations and garden types
  • City and courtyard gardens
  • Coastal
  • Cottage and informal 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 attacked by slugs, snails and thrips

Diseases

May be subject to iris rhizome rot, a leaf spot and a virus

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