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allium 'His Excellency' | Plant Finder | Fill My Garden

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Plants > Bulbs

allium 'His Excellency'

Allium macleanii 'His Excellency'

Pollinator FriendlyFragrant

Genus: Allium
Family: Amaryllidaceae

About this plant

'His Excellency' is a bulbous perennial, to 1.2m high, with strap-shaped, basal leaves and, from late spring into summer, rounded umbels, up to 13cm in diameter, of star-shaped purple-blue flowers borne on sturdy, upright stems

Growing Information

Height

1-1.5 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 DrainedWell Drained

Aspect

East FacingWest FacingSouth Facing

Exposure

Exposed

Care Guide

Cultivation

Easy to grow in fertile well-drained soil. Add grit when planting in clay soils to improve drainage. See allium cultivation

Pruning

No pruning required

Propagation

Propagate by seed, sowing in containers in a cold frame when just ripe or in the spring. Alternatively, remove offsets in autumn

Pests

Generally pest free

Diseases

Onion white rot and a downy mildew may occur

Garden Uses

Uses

City CourtyardGround CoverCottage InformalHedging Screens

Planting Places

IndoorOutdoor

Season of Interest

SpringSummer

Size & Characteristics

Height

1-1.5 Metres

Spread

0.1-0.5 Metres

Habit

Climbing

Time to Full Height

Five To Ten Years