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allium 'Firmament' | Plant Finder | Fill My Garden

Home/Plants/Bulbs

Plants > Bulbs

allium 'Firmament'

Allium 'Firmament'

Pollinator FriendlyFragrant

Genus: Allium
Family: Amaryllidaceae

About this plant

'Firmament' is a bulbous perennial, to 80cm tall, with strap-shaped leaves. ln summer, upright stems bear umbels up to 12cm in diameter comprising deep purple, star-shaped flowers

Growing Information

Height

0.5-1 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

0.5-1 Metres

Spread

0.1-0.5 Metres

Habit

Climbing

Time to Full Height

Five To Ten Years