Overview
Delphinium 'Clear Springs Blue' (Clear Springs Series) is a clump-forming, upright herbaceous perennial in the genus Delphinium, part of the Ranunculaceae family, with divided green leaves foliage. Delphinium 'Clear Springs Blue' (Clear Springs Series) 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 'Clear Springs Blue' is a herbaceous perennial cultivar belonging to the Delphinium genus, known for its clump-forming, upright habit and divided green leaves. It produces prominent, bowl-shaped flowers arranged in spikes, typical of the genus. This cultivar thrives in fertile, moist but well-drained loam soil with a neutral pH, requiring full sun and a sheltered position, ideally south, west, or east-facing. Hardy to UK zone H5, it is suitable for beds, borders, and cut flowers, with interest during spring and summer. 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 'Clear Springs Blue' (Clear Springs Series) 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 'Clear Springs Blue' (Clear Springs Series)
- 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 'Clear Springs Blue' (Clear Springs Series)?
Delphinium 'Clear Springs Blue' (Clear Springs Series) prefers full sun. It suits sheltered positions.
What soil does Delphinium 'Clear Springs Blue' (Clear Springs Series) need?
Delphinium 'Clear Springs Blue' (Clear Springs Series) grows best in loam soil. It prefers neutral soil. Aim for soil that stays moist but well-drained.
Is Delphinium 'Clear Springs Blue' (Clear Springs Series) hardy in the UK?
Delphinium 'Clear Springs Blue' (Clear Springs 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 'Clear Springs Blue' (Clear Springs Series)?
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 'Ariel Blue'