About

A bulbous perennial, reaching 60cm tall, with upright, strap-like, green leaves and tall, sturdy stems bearing striking flowers with deep violet-purple standards and golden-yellow falls. Perfect for cut flowers and container growing.

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, Clay, Loam, Sand
Soil pHAcid, Alkaline, Neutral
Soil moistureWell-drained
AspectEast-facing, South-facing, West-facing
ExposureExposed, Sheltered
UK hardinessH5

Plant details

Plant typeHerbaceous Perennial, Bulbs
HabitColumnar upright
FoliageDeciduous
Height0.5-1 metres
Spread0.1-0.5 metres
Time to full height2-5 years
Suggested usesCity and courtyard gardens, Coastal, Cottage and informal garden, Patio and container plants
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 any moderately fertile, neutral to alkaline, well drained soil in full sun. Plant bulbs at twice their height in late summer or early autumn and feed with a high potash fertiliser after flowering. See bulb iris cultivation for more information
PruningCut back old flower stems after flowering and remove dying foliage in autumn
PropagationPropagate by division, separating bulb offsets from midsummer to early autumn
Pest resistanceMay be susceptible to slugs and snails
Disease resistanceMay be susceptible to leaf spots, ink disease, rust diseases, bulb rot and viruses; see Iris diseases for more details