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Herbaceous Perennial

Iris lazica

Lazistan iris

A spring flowering evergreen, rhizomatous perennial to 25cm in height, with arching glossy green leaves and deep purple or lavender-blue flowers 6-8cm in width, the base of the falls veined on a white ground

Synonyms
Iris unguicularis var. lazica
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Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
2–5 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Chalk
Loam
Sand
Moisture
Moist but well–drained
pH
Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Blue Purple Green
Summer Green
Autumn Green
Winter Green
Position
  • Full sun
  • Partial shade
Aspect

South–facing or West–facing or East–facing

Exposure
Exposed or Sheltered
Hardiness
H5
Botanical details
Family
Iridaceae
Native to GB / Ireland
No
Foliage
Evergreen
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

Correct

Plant range
Turkey to Transcauc

How to grow

Cultivation

Grow in sharply-drained, neutral to alkaline soil in full sun; ideal for the base of a sunny wall where ground is dry and stony but tolerant of some moisture and shade

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 susceptible to slugs, snails and thrips

Diseases

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

Get involved

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