Overview
Dianella caerula 'Proquest D3'PBR is a bushy herbaceous perennial in the genus Dianella, part of the Asphodelaceae family, with evergreen foliage. Dianella caerula 'Proquest D3'PBR 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 caerula 'Proquest D3'PBR is a bushy, evergreen herbaceous perennial cultivar of the Dianella genus, known for its rhizomatous growth and stiff, sword-like foliage. This cultivar thrives in fertile, well-drained loam or sandy soils with acid to neutral pH, and prefers full sun to partial shade in sheltered, south-, west-, or east-facing aspects. It is hardy to UK zone H3 and is suitable for a variety of garden settings including coastal, cottage, city, and courtyard gardens, as well as patios and flower borders. The plant produces clusters of small, deep blue star-shaped flowers in spring and summer, followed by durable blue or purple berries.
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 caerula 'Proquest D3'PBR 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 caerula 'Proquest D3'PBR
- Propagation
- Seed, Division
- Pest resistance
- Generally pest-free
- Disease resistance
- Generally disease-free
Frequently asked questions
Where is the best place to plant Dianella caerula 'Proquest D3'PBR?
Dianella caerula 'Proquest D3'PBR prefers full sun and partial shade. It suits sheltered positions.
What soil does Dianella caerula 'Proquest D3'PBR need?
Dianella caerula 'Proquest D3'PBR grows best in loam and sand soil. It prefers acid and neutral soil. Aim for soil that stays well-drained.
Is Dianella caerula 'Proquest D3'PBR hardy in the UK?
Dianella caerula 'Proquest D3'PBR 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 caerula 'Proquest D3'PBR?
Seed, Division.
More in the Dianella genus
- Dianella caerulea 'Becca'
- Dianella caerulea 'Caspar Blue'
- Dianella intermediaTurutu
- Dianella nigraNew Zealand blueberry
- Dianella revoluta
- Dianella tasmanicaTasman flax-lily
- Dianella tasmanica 'Variegata' (v)Tasman flax-lily 'Variegata'
- Dianella ensifoliaumbrella dracaena