Overview
Delphinium Ivory Towers Group is a columnar upright herbaceous perennial in the genus Delphinium, part of the Ranunculaceae family, with deciduous foliage. Delphinium Ivory Towers Group 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 Ivory Towers Group is a herbaceous perennial cultivar within the Delphinium genus, known for its columnar upright habit and deciduous foliage. Like other Delphiniums, it produces prominent, bowl-shaped flowers arranged in spikes, racemes, or panicles, typically in spring and summer. This cultivar thrives in full sun with shelter from wind, preferring fertile, well-drained soils ranging from chalk to clay and sand, across acid to alkaline pH levels. Suitable for cottage and informal gardens as well as wildlife gardens, it benefits from staking and spring mulching to support its growth and flowering.
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 Ivory Towers Group 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 Ivory Towers Group
- 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 Ivory Towers Group?
Delphinium Ivory Towers Group prefers full sun. It suits sheltered positions.
What soil does Delphinium Ivory Towers Group need?
Delphinium Ivory Towers Group 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 Ivory Towers Group hardy in the UK?
Delphinium Ivory Towers Group 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 Ivory Towers Group?
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'