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large-flowered delphinium | Plant Finder | Fill My Garden

Home/Plants/Climbers

Plants > Climbers

large-flowered delphinium

Delphinium grandiflorum

Pollinator Friendly

Genus: Delphinium
Family: Ranunculaceae
Common Names: bouquet larkspur, large-flowered larkspur, Siberian larkspur

About this plant

D. grandiflorum is a short-lived perennial, usually grown as an annual, with foliage divided into narrow lobes. Single, spurred flowers in blue, purple or white are produced in open sprays in early summer

Growing Information

Height

0.1-0.5 Metres

Spread

0.1-0.5 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 Drained

Aspect

West FacingEast FacingSouth Facing

Exposure

Exposed

Care Guide

Cultivation

Grow in a fertile, well-drained soil in full sun

Pruning

Deadhead spent flower spikes. After flowering, cut down all growth to ground level

Propagation

Propagate by taking pencil-thick basal cuttings in early spring or by division

Pests

May be attacked leaf miners and caterpillars. Young growth in early spring is especially vulnerable to slugs and snails

Diseases

May be subject to powdery mildews if too dry, delphinium black blotch, crown rot and a virus

Garden Uses

Uses

Ground Cover

Planting Places

Outdoor

Season of Interest

SpringSummer

Size & Characteristics

Height

0.1-0.5 Metres

Spread

0.1-0.5 Metres

Habit

Bushy

Time to Full Height

One To Two Years