Overview
Delphinium 'Margaret Rose' is a clump-forming, upright herbaceous perennial in the genus Delphinium, part of the Ranunculaceae family, with divided green leaves foliage. Delphinium 'Margaret Rose' 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 'Margaret Rose' is a herbaceous perennial cultivar within the Delphinium genus, known for its clump-forming, upright habit and divided green leaves. Like other Delphiniums, it produces prominent, bowl-shaped flowers arranged in spikes during spring and summer. This cultivar thrives in fertile, moist but well-drained loam soil with a neutral pH, ideally in full sun with shelter from wind, making it suitable for south, west, or east-facing aspects. It is hardy to UK zone H5 and is commonly used in beds, borders, and as 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 'Margaret Rose' 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 'Margaret Rose'
- 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 'Margaret Rose'?
Delphinium 'Margaret Rose' prefers full sun. It suits sheltered positions.
What soil does Delphinium 'Margaret Rose' need?
Delphinium 'Margaret Rose' grows best in loam soil. It prefers neutral soil. Aim for soil that stays moist but well-drained.
Is Delphinium 'Margaret Rose' hardy in the UK?
Delphinium 'Margaret Rose' 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 'Margaret Rose'?
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'