Overview
Delphinium elatum 'Double Stars' (New Millennium Series) is a columnar upright herbaceous perennial in the genus Delphinium, part of the Ranunculaceae family, with deciduous foliage. Delphinium elatum 'Double Stars' (New Millennium Series) grows best in full sun, and tolerates most soils and any pH. Its UK hardiness is rated H5. Suggested uses include cottage and informal garden and wildlife gardens.
About
Delphinium elatum 'Double Stars' (New Millennium Series) is a herbaceous perennial belonging to the Ranunculaceae family. This cultivar features a columnar upright habit with deciduous foliage and produces prominent, bowl-shaped flowers arranged in spikes. It thrives in full sun with shelter from wind, preferring fertile, moist but well-drained soil across a range of types and pH levels. Suitable for cottage, informal, and wildlife gardens, it is hardy in the UK (H5) and offers seasonal interest in spring and summer.
About the genus
Delphinium is a genus of about 300 species of annual and perennial flowering plants in the family Ranunculaceae, native throughout the Northern Hemisphere and also on the high mountains of tropical Africa. The genus was erected by Carl Linnaeus.
Wikipedia contributors, "Delphinium", CC BY-SA 4.0 — Delphinium
Growing conditions
Best soil and position for Delphinium
- Sunlight
- Full sun
- Soil type
- Chalk, Clay, Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Moist but well-drained, Well-drained
- Aspect
- South-facing, East-facing, West-facing
- Exposure
- Sheltered
- UK hardiness
- H5
Plant details
Delphinium elatum 'Double Stars' (New Millennium Series) size, habit and characteristics
- Plant type
- Herbaceous Perennial
- Habit
- Columnar upright
- Foliage
- Deciduous
- Suggested uses
- Cottage and informal garden, Wildlife gardens
Care notes
Pruning and caring for Delphinium elatum 'Double Stars' (New Millennium Series)
- Propagation
- Propagate by taking pencil thick basal cuttings in early spring or propagate by seed in spring or autumn (cultivars will not come true)
- Pest resistance
- May be susceptible to aphids, earwigs, delphinium leaf miner, delphinium moth caterpillars, slugs, snails and caterpillars
- Disease resistance
- May be susceptible to powdery mildews, delphinium black blotch, crown rot and viruses
Frequently asked questions
Where is the best place to plant Delphinium elatum 'Double Stars' (New Millennium Series)?
Delphinium elatum 'Double Stars' (New Millennium Series) prefers full sun. It suits sheltered positions.
What soil does Delphinium elatum 'Double Stars' (New Millennium Series) need?
Delphinium elatum 'Double Stars' (New Millennium Series) is adaptable and grows happily in most soil types, including chalk, clay, loam and sand. It is happy in soil of any pH. Aim for soil that stays moist but well-drained to well-drained.
Is Delphinium elatum 'Double Stars' (New Millennium Series) hardy in the UK?
Delphinium elatum 'Double Stars' (New Millennium Series) has an RHS hardiness rating of H5, meaning it is hardy in most of the UK, tolerating -15 to -10°C.
How do I propagate Delphinium elatum 'Double Stars' (New Millennium Series)?
Propagate by taking pencil thick basal cuttings in early spring or propagate by seed in spring or autumn (cultivars will not come true).
More in the Delphinium genus
- Delphinium 'Nora Ferguson'Larkspur
- Delphinium Hybrids, BelladonnaLarkspur
- Delphinium cheilanthumgarland larkspur
- Delphinium grandiflorum 'Hunky Dory White'Siberian Larkspur
- Delphinium requieniiLarkspur
- Delphinium tatsienenseLarkspur
- Delphinium × ruysii 'Pink Sensation'delphinium 'Pink Sensation'
- Delphinium 'Centurion White' (Centurion Series)delphinium 'Centurion White'