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Allium hollandicum 'Purple Sensation'

Ornamental onion

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Key information

Plant type

Summer/autumn blooming bulb

Flower colour






Skill level


Allium hollandicum 'Purple Sensation'

Plant details

The tall flowers of 'Purple Sensation' appear in summer, showing off rounded heads full of deep violet flowers. These alliums are perfect for a sunny border. It is best to remove the immature seed-heads as the seedlings tend to have paler flowers. The Royal Horticultural Society has given it its prestigious Award of Garden Merit (AGM) in recognition of its outstanding excellence.

Family: Alliaceae

Genus: Allium

Species: hollandicum

Cultivar: Purple Sensation

Plant type: Summer/autumn blooming bulb

Flower colour: Purple

Foliage colour: Mid-green

Feature: Flowers

Sun exposure: Full sun

Soil: Well-drained/light

Hardiness: Hardy

Skill level: Beginner

Height: 100cm

Spread: 7cm

Time to divide plants: September to November

Flowering period: June to July

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