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1/5

Delphinium

Delphinium grandiflorum

Larkspur, (Eng.)

1/5

Delphiniums are grown for their showy flowers carried in spikes or racemes. They are grown as garden plants as well as commercially as cut flowers. Most delphinium hybrids and cultivars are derived from D. elatum. Other hybrid crosses have included D. bruninianum, D. cardinale, D. cheilanthum, and D. formosum. The main flowering stems are erect and vary greatly in size between species, from 10 cm in some alpine species, up to 2m tall in larger meadow-land species.

Planning

Difficulty
Moderate
Fruiting time
Summer, Spring

Harvesting

Harvest the flowers when the majority of florets on the flowering stem are open, they open from the base upwards.

Propagation

Seed
Sow seed in early spring in a sandy soil mix directly i beds or in seedling trays.

Special features

Pot plant
Can be grown in containers, increase watering if planted in containers.
Attracts useful insects
Attracts bees

Geography

Origin
Northern Hemisphere, mountainous regions

Environment

Light
Full Sun
Soil moisture
Wet
Soil type
Loam
Soil PH preference
Neutral
Frost hardiness
Hardy

Personality

Family
Ranunculaceae
Flower colour
Shades of blue, purple pink, white
Scent
None

Problems

Susceptible to slugs and snails, leaf miners, delphinium moth caterpillar, leaf blotch, powdery mildew and crown rot.

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