About
A perennial to 12cm tall, with solitary deep blue flowers in early spring, the falls darker, with yellow midrib and white spotting in the throat.
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 moistureMoist but well-drained, Well-drained
AspectSouth-facing, North-facing, West-facing, East-facing
ExposureExposed, Sheltered
UK hardinessH7
Plant details
Plant typeBulbs
HabitTufted
FoliageDeciduous
HeightUp to 10 cm
Spread0-0.1 metre
Time to full height2-5 years
Suggested usesCottage and informal garden, Gravel garden, Patio and container plants, City and courtyard gardens, Coastal, Rock garden
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 neutral or slightly alkaline soil. See bulb iris cultivation
PruningNo pruning required
PropagationPropagate by seed, sown in pots in a cold frame in autumn or spring. Lift and separate bulbs in 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