About

A deciduous perennial, a hybrid of I. versicolor, that flowers in early summer, violet-purple and white with a yellow signal on the falls. pseudacorus and I.

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 typeClay, Loam, Sand
Soil pHAcid, Neutral
Soil moisturePoorly-drained
AspectSouth-facing, West-facing
ExposureExposed, Sheltered
UK hardinessH7

Plant details

Plant typeAquatic, Bogs, Herbaceous Perennial
HabitClump forming
FoliageDeciduous
Height0.5-1 metres
Spread0.5-1 metres
Time to full height2-5 years
Suggested usesCottage and informal garden, Wildflower meadow
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 moist to wet, deep, humus-rich, acid soil in full sun. Suitable for pond edges and bog gardens. See pond plants and bog gardens for further advice
PruningNo pruning required
PropagationPropagate by dividing irises from mid-summer to early autumn. See dividing irises
Pest resistanceMay be susceptible to iris sawfly
Disease resistanceMay be susceptible to aphid-borne viruses, bacterial soft rot and grey moulds; see Iris diseases