Allium fistulosum

Welsh onion

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Key information

Plant type

Hardy perennial

Flower colour






Skill level


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Plant details

The blue-green foliage of this edible perennial is stronger in taste than chives but milder than the cultivated onion. Creamy-white flowers appear in the early summer of its second season, and the leaves can be harvested on a 'cut and come again' basis. The plant likes plenty of sun, performing best in slightly alkaline soils (but tolerating most).

Family: Alliaceae

Genus: Allium

Species: fistulosum

Plant type: Hardy perennial

Flower colour: White

Foliage colour: Blue-green

Feature: Flowers

Sun exposure: Full sun, Partial shade

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

Hardiness: Hardy

Skill level: Beginner

Height: 35cm

Time to plant seeds: March to April

Time to divide plants: March to April

Flowering period: June to July

Reader reviews


I love this allium.It looks very striking in a flower border - reminds me of an old victorian botanical drawing. Gives the border unusual texture and will share it's leaves with you as a food. I find it grows bigger in direct sun

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