Overview

Delphinium grandiflorum 'Blue Elf' is a clump-forming, upright herbaceous perennial in the genus Delphinium, part of the Ranunculaceae family, with divided green leaves foliage. Delphinium grandiflorum 'Blue Elf' 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 grandiflorum is a species of Delphinium known by the common names Siberian larkspur and Chinese delphinium. It is native to Russia and China.

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 4.0Delphinium

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 grandiflorum 'Blue Elf' 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 grandiflorum 'Blue Elf'

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 grandiflorum 'Blue Elf'?

Delphinium grandiflorum 'Blue Elf' prefers full sun. It suits sheltered positions.

What soil does Delphinium grandiflorum 'Blue Elf' need?

Delphinium grandiflorum 'Blue Elf' grows best in loam soil. It prefers neutral soil. Aim for soil that stays moist but well-drained.

Is Delphinium grandiflorum 'Blue Elf' hardy in the UK?

Delphinium grandiflorum 'Blue Elf' 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 grandiflorum 'Blue Elf'?

Basal cuttings in early spring.

More in the Delphinium genus

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