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Delphinium 'Sweetheart' | Plant Finder | Fill My Garden

Home/Plants/Perennials

Plants > Perennials

Delphinium 'Sweetheart'

Delphinium 'Sweetheart'

Pollinator Friendly

Genus: Delphinium
Family: Ranunculaceae

About this plant

A deciduous, herbaceous perennial that reaches approximately 1.8m in height when in flower. It forms a mound of green, deeply lobed leaves and stately flower stems of numerous rich rose to soft pink flowers with contrasting white centres, from summer to autumn

Growing Information

Height

1.5-2.5 Metres

Spread

0.5-1 Metres

Hardiness

Foliage

Deciduous

Growing Conditions

Sunlight

Full Sun

Soil

ClayLoamSandy

AlkalineNeutralAcid

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 fertile, well-drained soil in full sun. Shelter from strong winds and provide support (see staking: perennials). Divide every 2-5 years to maintain vigour

Pruning

Deadhead main stem after flowering to encourage side shoots to flower. Cut back to ground level in autumn

Propagation

Propagate by division or by basal softwood cuttings in spring

Pests

May be susceptible to aphids, slugs, snails, leaf miners and caterpillars

Diseases

May be susceptible to delphinium black blotch, Powdery mildews, grey moulds, crown rot (on mature plants)

Garden Uses

Uses

City CourtyardCottage InformalGround Cover

Planting Places

IndoorOutdoorWall Trained

Season of Interest

SpringSummerAutumn

Size & Characteristics

Height

1.5-2.5 Metres

Spread

0.5-1 Metres

Habit

Climbing

Time to Full Height

Two To Five Years