About
This bulbous perennial to 60cm with sword-shaped green foliage and orchid-like, scented flowers appearing in summer in a range of colours including purple, yellow, pink and white. Ideal for cutting as flowers are long-lasting.
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 typeChalk, Loam, Sand
Soil pHAcid, Neutral
Soil moistureWell-drained
AspectEast-facing, South-facing, West-facing
ExposureExposed, Sheltered
UK hardinessH7
Plant details
Plant typeBulbs
HabitClump forming
FoliageDeciduous
Height0.5-1 metres
Spread0.1-0.5 metres
Time to full height2-5 years
Suggested usesCity and courtyard gardens, Cottage and informal garden, Patio and container plants
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 well-drained, fertile, neutral to slightly acid soil in full sun. Good for naturalising - choose a location where the soil will be hot and dry during the summer months. See bulb iris cultivation and bulbs: naturalising for further advice
PruningRemove spent flower stems and any dying foliage in autumn
PropagationPropagate by division, see dividing iris for more detailed advice
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