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delphinium 'Holly Cookland Wilkins' | Plant Finder | Fill My Garden

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Plants > Perennials

delphinium 'Holly Cookland Wilkins'

Delphinium 'Holly Cookland Wilkins'

★ RHS AGM

Genus: Delphinium
Family: Ranunculaceae

About this plant

'Holly Cookland Wilkins' is a tall herbaceous perennial. The tapering spires of semi-double, blue to violet flowers with dark eyes are produced from late spring to early summer

Growing Information

Height

1.5-2.5 Metres

Spread

0.5-1 Metres

Hardiness

Foliage

Deciduous

Growing Conditions

Sunlight

Full Sun

Soil

ClayChalkLoamSandy

AcidAlkaline

Not Currently Available

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

Neutral

Moisture

Poorly DrainedWell Drained

Aspect

South FacingWest FacingEast Facing

Exposure

Exposed

Care Guide

Cultivation

Grow in a fertile, well-drained soil in full sun; shelter from strong winds and stake well. For best flower spikes thin shoots when 7cm high to leave a minimum of 2-3 shoots on young plants and 5-7 shoots on established plants

Pruning

Deadhead by cutting spent flower spikes back to small flowering side shoots. Cut down all growth to ground level after it has withered in autumn

Propagation

Propagate by taking pencil thick basal softwood cuttings in early spring

Pests

Prone to slugs, snails, leaf miners and caterpillars

Diseases

May be affected by powdery mildews, crown rot and a virus

Garden Uses

Uses

Ground 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