About
A compact, half-hardy evergreen perennial to around 40cm high, with dense clumps of narrow, stiff blue-green leaves. In early to mid summer, produces a few sprays of nodding light blue flowers held above the foliage, occasionally followed by round 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, Grass Like
HabitTufted, Clump forming
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, Coastal, Gravel garden, Patio and container plants
ToxicityFruit are ornamental - not to be eaten. Wear gloves and other protective equipment when handling Pets: Fruit are ornamental - not to be eaten - see the HTA guide to potentially harmful plants for further information and useful contact numbers
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.
PruningNo pruning required
PropagationPropagate by division in mid-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