Overview
Delphinium 'Ariel Blue' is a clump-forming, upright herbaceous perennial in the genus Delphinium, part of the Ranunculaceae family, with divided green leaves foliage. Delphinium 'Ariel Blue' grows best in full sun, and tolerates loam soils and neutral pH. Its UK hardiness is rated H5. Suggested uses include beds, borders and cut flowers.
About
Delphinium 'Ariel Blue' is a herbaceous perennial cultivar within the Delphinium genus, known for its clump-forming, upright habit and divided green leaves. This cultivar thrives in fertile, moist but well-drained loam soil with a neutral pH, ideally in full sun and sheltered from wind. Suitable for south-, west-, or east-facing aspects, it is hardy to UK zone H5. 'Ariel Blue' is best grown in beds and borders, and its tall spikes of bowl-shaped flowers make excellent cut flowers. Cultivation involves staking tall plants and mulching in spring, with propagation by basal cuttings in early spring.
Growing conditions
Best soil and position for Delphinium
- Sunlight
- Full sun
- Soil type
- Loam
- Soil pH
- Neutral
- Soil moisture
- Moist but well-drained
- Aspect
- South-facing, West-facing, East-facing
- Exposure
- Sheltered
- UK hardiness
- H5
Plant details
Delphinium 'Ariel Blue' size, habit and characteristics
- Plant type
- Herbaceous Perennial
- Habit
- Clump-forming, upright
- Foliage
- Divided green leaves
- Suggested uses
- Beds, borders, cut flowers
Care notes
Pruning and caring for Delphinium 'Ariel Blue'
- Propagation
- Basal cuttings in early spring
- Pest resistance
- Aphids, earwigs, delphinium leaf miner, delphinium moth caterpillars, slugs, snails, caterpillars
- Disease resistance
- Powdery mildews, delphinium black blotch, crown rot, viruses
Frequently asked questions
Where is the best place to plant Delphinium 'Ariel Blue'?
Delphinium 'Ariel Blue' prefers full sun. It suits sheltered positions.
What soil does Delphinium 'Ariel Blue' need?
Delphinium 'Ariel Blue' grows best in loam soil. It prefers neutral soil. Aim for soil that stays moist but well-drained.
Is Delphinium 'Ariel Blue' hardy in the UK?
Delphinium 'Ariel Blue' 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 'Ariel Blue'?
Basal cuttings in early spring.
More in the Delphinium genus
- Delphinium 'Blue Bell'
- Delphinium 'Ailsa'
- Delphinium 'Alison Claire'
- Delphinium 'Ambrose Woods'
- Delphinium 'Angela Rowe'
- Delphinium 'Ann Woodfield'
- Delphinium 'Anne Page'
- Delphinium 'Arnold Bocklin'