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delphinium Black Knight Group | Plant Finder | Fill My Garden

Home/Plants/Perennials

Plants > Perennials

delphinium Black Knight Group

Delphinium Black Knight Group

Genus: Delphinium
Family: Ranunculaceae

About this plant

Black Knight Group is an erect perennial to 1.75m tall with lobed green leaves and spikes of semi-double, deep blue-purple flowers with black eyes in summer

Growing Information

Height

1.5-2.5 Metres

Spread

0.5-1 Metres

Hardiness

Foliage

Deciduous

Growing Conditions

Sunlight

Full Sun

Soil

ClayLoamSandy

AcidAlkalineNeutral

Not Currently Available

This plant is not currently stocked at any garden centres on our platform.

Moisture

Poorly DrainedWell Drained

Aspect

West FacingEast FacingSouth Facing

Exposure

Exposed

Care Guide

Cultivation

Grow in a fertile, well-drained soil in full sun; shelter from strong winds and provide stakes or other supports (see staking perennials)

Pruning

No pruning required except deadheading; cut stems down to ground level at the end of the growing season

Propagation

Propagate by basal softwood cuttings in spring, or by division in early spring or early autumn

Pests

May be affected by aphids, earwigs, delphinium leaf miner, delphinium moth caterpillars, slugs, and snails

Diseases

May be affected by powdery mildews, delphinium black blotch, grey moulds, sclerotinia disease, and cucumber mosaic virus

Garden Uses

Uses

Cottage InformalGround Cover

Planting Places

IndoorOutdoor

Season of Interest

SpringSummerAutumn

Size & Characteristics

Height

1.5-2.5 Metres

Spread

0.5-1 Metres

Habit

Climbing

Time to Full Height

Five To Ten Years