Allium giganteum

Ornamental onion

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Key information

Flower colour

Lilac

Feature

Flowers

Skill level

Beginner

photo by J S Sira, copyright GAP Photos (24051)

Plant details

This beautiful ornamental onion produces dense heads of lilac-pink, star-shaped flowers in summer. Its tall stems make it ideal for planting among lower-growing perennials where it can add an extra dimension to your planting. The Royal Horticultural Society has given the plant its prestigious Award of Garden Merit (AGM) which is for plants of outstanding excellence. Plant the bulbs 5cm to 10cm (2in to 4in) deep in autumn.

Family: Alliaceae

Genus: Allium

Species: giganteum

Flower colour: Lilac

Feature: Flowers

Sun exposure: Full sun

Soil: Well-drained/light

Skill level: Beginner

Height: 150cm

Spread: 15cm


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