Overview
Dianella intermedia is a bushy herbaceous perennial in the genus Dianella, part of the Asphodelaceae family, with evergreen foliage. Dianella intermedia grows best in full sun and partial shade, and tolerates loam and sand soils and acid and neutral pH. Its UK hardiness is rated H3. Suggested uses include coastal, cottage and informal garden, city and courtyard gardens, patio and container plants and flower borders and beds.
About
Dianella intermedia, is a perennial herb of the family Asphodelaceae, subfamily Hemerocallidoideae, found in the Australian territories of Lord Howe Island and Norfolk Island. It was first described by Stephan Endlicher in 1833. It grows to 2 feet with pale violet flowers followed by turquoise berries. It is native to Norfolk Is.. In the garden it prefers full sun and partial shade and loam and sand soil. In UK gardens it is half-hardy and may need winter protection in colder areas (RHS H3). Suggested uses include coastal, cottage and informal garden, city and courtyard gardens, patio and container plants and flower borders and beds. It tolerates acid and neutral soils, well-drained conditions and south-facing, west-facing and east-facing aspects. Plant in well-drained soil in a suitable position. Water during establishment.
Wikipedia contributors, CC BY-SA 4.0 — Dianella intermedia
Growing conditions
Best soil and position for Dianella
- Sunlight
- Full sun, Partial shade
- Soil type
- Loam, Sand
- Soil pH
- Acid, Neutral
- Soil moisture
- Well-drained
- Aspect
- South-facing, West-facing, East-facing
- Exposure
- Sheltered
- UK hardiness
- H3
Plant details
Dianella intermedia size, habit and characteristics
- Plant type
- Herbaceous Perennial
- Habit
- Bushy
- Foliage
- Evergreen
- Suggested uses
- Coastal, Cottage and informal garden, City and courtyard gardens, Patio and container plants, Flower borders and beds
Care notes
Pruning and caring for Dianella intermedia
- Propagation
- Seed, Division
- Pest resistance
- Generally pest-free
- Disease resistance
- Generally disease-free
Frequently asked questions
Where is the best place to plant Dianella intermedia?
Dianella intermedia prefers full sun and partial shade. It suits sheltered positions.
What soil does Dianella intermedia need?
Dianella intermedia grows best in loam and sand soil. It prefers acid and neutral soil. Aim for soil that stays well-drained.
Is Dianella intermedia hardy in the UK?
Dianella intermedia has an RHS hardiness rating of H3, meaning it is half-hardy, tolerating -5 to 1°C, and may need winter protection in colder areas.
How do I propagate Dianella intermedia?
Seed, Division.
More in the Dianella genus
- Dianella caerulea 'Becca'
- Dianella caerulea 'Caspar Blue'
- Dianella nigraNew Zealand blueberry
- Dianella revoluta
- Dianella tasmanicaTasman flax-lily
- Dianella tasmanica 'Variegata' (v)Tasman flax-lily 'Variegata'
- Dianella caerula 'Proquest D3'PBR
- Dianella ensifoliaumbrella dracaena