About
This evergreen perennial with narrow leaves and wiry stems 45-60cm long. Flowers are white, 4-6cm across, the inner segments purple and yellow, in summer. aromatic.
About the genus
Diplarrena are rhizomatous, evergreen perennials related to irises. They are clump-forming, producing tufts of stiff linear to sword-shaped leaves to 30cm, the flowers borne above the leaves on wiry stems. Flowers 2-3 in a terminal cluster, with 3 large, white outer segments, the inner 3 more erect and usually coloured
Growing conditions
SunlightFull sun, Partial shade
Soil typeLoam, Sand
Soil pHAcid, Neutral
Soil moistureMoist but well-drained
AspectSouth-facing, West-facing
ExposureSheltered
UK hardinessH3
Plant details
Plant typeHerbaceous Perennial
HabitColumnar upright
FoliageEvergreen
Height0.1-0.5 metres
Spread0.1-0.5 metres
Time to full height2-5 years
Suggested usesCity and courtyard gardens, Cottage and informal garden, Mediterranean climate plants, Coastal, Gravel garden, Patio and container plants
Native toSE Australia
FragranceFlower
Care notes
CultivationGrow in a sunny position in a humus-rich, moist neutral to acid soil. Partial shade is suitable when planted in a hot site
PruningNo pruning required
PropagationPropagate by seed sown in containers in a cold frame in autumn or spring. Can also be propagated by division in spring
Pest resistanceGenerally pest-free
Disease resistanceGenerally disease-free