About
This compact, half-hardy evergreen perennial to 40cm high, with dense clumps of narrow, stiff, grass-like blue-green leaves. These are sometimes followed by round blue-purple berries. In early to mid summer, produces sprays of nodding light blue flowers with conspicuous yellow anthers, held on branched stems high above the foliage.
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 pHNeutral, Acid
Soil moistureWell-drained
AspectSouth-facing, West-facing
ExposureExposed, Sheltered
UK hardinessH3
Plant details
Plant typeHerbaceous Perennial, Grass Like
HabitTufted, Clump forming
FoliageEvergreen
Height0.5-1 metres
Spread0.1-0.5 metres
Time to full height2-5 years
Suggested usesCity and courtyard gardens, Cottage and informal garden, Coastal, 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.
PruningNo pruning required
PropagationPropagate by division of rhizomes in mid-spring
Pest resistanceGenerally pest-free
Disease resistanceGenerally disease-free