Allium caeruleum


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Key information

Flower colour




Skill level


photo by Visions, copyright GAP Photos (46235)

Plant details

This is a beautiful allium with balls of bright blue flowers in early summer. The long, linear leaves die back before the blooms appear in early summer.This is a perfect plant for a sunny border. It is not fully hardy and in colder regions should be mulched or planted in pots and moved to a frost free area in winter.

Family: Alliaceae

Genus: Allium

Species: caeruleum

Flower colour: Blue

Feature: Flowers

Sun exposure: Full sun

Soil: Well-drained/light

Skill level: Experienced

Height: 60cm

Time to divide plants: October to November

Flowering period: May to June

Reader reviews


Is it too late to plant Allium's?

norma johnson

I planted 50 last October and had a wonderful display, my favourite being the Purple Sensation which was enormous.I saved the drying heads after flowering and they look really attractive in a vase. I ordered more this year (300 in fact) and have just received them so cant wait to plant them.Love Gardeners World mag and all its special offers for subscribers

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