About

This evergreen perennial to around 50cm high, forming clumps of wide, strappy, stiff green leaves with rough edges, that take on a reddish-pink tint at the base in cooler temperatures. In summer, produces sprays of star-shaped blue-purple flowers on subtle stems, followed by deep blue berries.

About the genus

Dianella are rhizomatous evergreen perennials with leathery, sword-shaped leaves and sprays of small, starry deep blue flowers followed by long-lasting blue or purple berries

Growing conditions

SunlightFull sun, Partial shade
Soil typeLoam, Sand
Soil pHAcid, Neutral
Soil moistureWell-drained
AspectSouth-facing, West-facing
ExposureExposed, Sheltered
UK hardinessH3

Plant details

Plant typeHerbaceous Perennial
HabitClump forming
FoliageEvergreen
Height0.1-0.5 metres
Spread0.1-0.5 metres
Time to full height2-5 years
Suggested usesCity and courtyard gardens, Coastal, Cottage and informal garden, Gravel garden, Patio and container plants
ToxicityFruit are ornamental - not to be eaten. Wear gloves and other protective equipment when handling

Care notes

CultivationIn milder areas, grow outdoors in moderately fertile, well-drained, neutral to acid soil in full sun or partial shade. In areas prone to hard frosts, grow under glass in peat-free, loam-based compost, in full light with shade from hot sun. Water well in growth and keep just moist in winter.
PruningTrim old leaves as necessary
PropagationPropagate by division in spring. As this plant is protected by Plant Breeders' Rights, any propagation should be for personal rather than commercial use
Pest resistanceGenerally pest-free
Disease resistanceGenerally disease-free