About
Iris planifolia is a dwarf, bulbous iris from the Mediterranean producing the characteristic narrow leaves and lavender or violet flowers of the Reticulata group in late winter or early spring. A charming and early-flowering bulb for a sunny, very well-drained position.
About the genus
Iris, the irises, are rhizomatous or bulbous perennials producing narrow, often sword-shaped leaves and distinctive flowers with three large, spreading or pendent fall petals alternating with three erect standard petals. They flower from late winter to early summer in every colour of the rainbow.
Growing conditions
SunlightFull sun, Partial shade
Soil typeClay, Loam
Soil pHAcid
Soil moisturePoorly-drained
AspectSouth-facing, East-facing
ExposureExposed, Sheltered
UK hardinessH7
Plant details
Plant typeBogs, Herbaceous Perennial
HabitClump forming
FoliageDeciduous
Height1-1.5 metres
Spread1-1.5 metres
Time to full height2-5 years
Suggested usesCottage and informal garden, Wildflower meadow, Wildlife gardens
Native toEurope Africa Asia
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 wet, deep, acid, humus-rich soil in full sun or partial shade. It thrives at the margins of large ponds or streams; has the potential to become a nuisance if not managed well, so plant with care. See aquatic weeds for more information
PruningRemove any dying foliage in autumn, old flower stems can be cut down after flowering
PropagationPropagate by division from midsummer to early autumn, plant immediately in flowering positions
Pest resistanceMay be susceptible to slugs, snails and thrips
Disease resistanceMay be susceptible to aphid borne viruses, bacterial soft rot and grey moulds (Botrytis)