Overview
Delphinium 'Blue Bell' is a clump-forming, upright herbaceous perennial in the genus Delphinium, part of the Ranunculaceae family, with divided green leaves foliage. Delphinium 'Blue Bell' 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 'Blue Bell' is a herbaceous perennial cultivar of the Delphinium genus, known for its clump-forming, upright habit and divided green leaves. This cultivar thrives in fertile, well-drained loam soil with a neutral pH, requiring full sun and a sheltered position, ideally south, west, or east-facing. It is hardy to UK zone H5 and is best grown in beds and borders, also suitable for cut flowers. Cultivation involves staking tall plants and mulching in spring, with propagation by basal cuttings in early spring. 'Blue Bell' provides seasonal interest in spring and summer.
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 'Blue Bell' 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 'Blue Bell'
- 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 'Blue Bell'?
Delphinium 'Blue Bell' prefers full sun. It suits sheltered positions.
What soil does Delphinium 'Blue Bell' need?
Delphinium 'Blue Bell' grows best in loam soil. It prefers neutral soil. Aim for soil that stays moist but well-drained.
Is Delphinium 'Blue Bell' hardy in the UK?
Delphinium 'Blue Bell' 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 'Blue Bell'?
Basal cuttings in early spring.
More in the Delphinium genus
- Delphinium 'Ailsa'
- Delphinium 'Alison Claire'
- Delphinium 'Ambrose Woods'
- Delphinium 'Angela Rowe'
- Delphinium 'Ann Woodfield'
- Delphinium 'Anne Page'
- Delphinium 'Ariel Blue'
- Delphinium 'Arnold Bocklin'