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Herbaceous Perennial

Iris pallida subsp. pallida

orris

I. pallida subsp. pallida is a vigorous, semi-evergreen, rhizomatous perennial to 1.2m in height, with narrow, grey-green leaves. Flowers in late spring and early summer, 2-6, 10cm in width, fragrant, light violet-purple with yellowish beard

Synonyms
Iris pallida var. dalmatica
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Size
Ultimate height
1–1.5 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 Purple Yellow Green Grey Silver
Summer Purple Yellow Green Grey Silver
Autumn Green Grey Silver
Winter Green Grey Silver
Position
  • Full sun
Aspect

South–facing

Exposure
Exposed or Sheltered
Hardiness
H7
Botanical details
Family
Iridaceae
Native to the UK
No
Foliage
Semi evergreen
Habit
Tufted
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

Correct

Plant range
NW Balkan Peninsula

How to grow

Cultivation

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

Propagation

Propagate by seed sown in pots in a cold frame in autumn or spring. Propagate by division of rhizomes from midsummer to early autumn

Suggested planting locations and garden types
  • Cottage and informal garden
  • Flower borders and beds
  • Cut flowers
Pruning

Remove any dying foliage in autumn, old flower stems can be cut down after flowering. Tall varieties can have their leaf fans trimmed to one third of the total height to reduce wind rock while the plants are establishing

Pests

Prone to slugs, snails and thrips

Diseases

May be affected by iris rhizome rot and a leaf spot

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