About

An evergreen, clump-forming plant to 40cm tall, with narrow green leaves and sweetly scented, pale violet-blue flowers opening from mid winter to spring.

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
Soil typeChalk, Loam, Sand
Soil pHAlkaline, Neutral
Soil moistureWell-drained
AspectWest-facing, South-facing
ExposureSheltered
UK hardinessH5

Plant details

Plant typeHerbaceous Perennial
HabitBushy
FoliageEvergreen
Height0.1-0.5 metres
Spread0.1-0.5 metres
Time to full height1-2 years
Suggested usesCoastal, Cottage and informal garden, City and courtyard gardens
FragranceFlower
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 sharply drained neutral to alkaline soil in full sun; they are ideal for the base of a sunny wall
PruningNo pruning required, tidy plant after flowers fade
PropagationLift rhizomes and propagate by division, planting immediately in the flowering position usually 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