About

An evergreen perennial forming a clump of grassy dark green leaves. Flowers lavender, shading to rich purple on the falls and netted with gold at the base.

About the 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

Growing conditions

SunlightFull sun, Partial shade
Soil typeLoam
Soil pHAcid, Neutral
Soil moistureWell-drained
AspectEast-facing, South-facing, West-facing
ExposureExposed, Sheltered
UK hardinessH4

Plant details

Plant typeHerbaceous Perennial
HabitClump forming
FoliageEvergreen
Height0.1-0.5 metres
Spread0.1-0.5 metres
Time to full height2-5 years
Suggested usesCottage and informal garden
ToxicityHarmful 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

Care notes

CultivationGrow in well-drained, neutral to slightly acid loam in full sun or partial shade. Mulch in spring
PruningRemove any dying foliage in autumn, old flower stems can be cut down after flowering.
PropagationPropagate by division of rhizomes from midsummer to early autumn
Pest resistanceMay be susceptible to slugs, snails and thrips
Disease resistanceMay be susceptible to aphid-borne viruses, bacterial soft rot and grey moulds; see Iris diseases