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Allium 'White Giant'

Naples onion

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Key information

Plant type

Hardy perennial

Flower colour




Skill level


Allium 'White Giant'

Plant details

Ornamental onions are grown for their globe shaped flower heads that remain attractive once dried as well in flower. Allium 'White Giant' bears beautiful globes of bright white flowers, in early summer. The long, linear leaves die back before the flowers appear. Allium 'White Giant' produces blooms that are particularly large and robust.

Family: Alliaceae

Genus: Allium

Cultivar: White Giant

Plant type: Hardy perennial

Flower colour: White

Foliage colour: Mid-green

Sun exposure: Full sun

Soil: Well-drained/light, Clay/heavy, Chalky/alkaline

Hardiness: Hardy

Skill level: Beginner

Height: 150cm

Spread: 30cm

Time to divide plants: February to May

Flowering period: May to June

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