Mauve flowers of Allium hollandicum 'Purple Sensation'

10 great alliums to grow

Discover 10 beautiful alliums to grow, lighting up late-spring borders.

Alliums (ornamental alliums) are incredibly long-lived and bloom for weeks on end, bridging the gap between spring and summer.

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Find out everything you need to know about growing alliums in our allium Grow Guide.

The pompon flowers make a dramatic statement when planted en masse – plant generous amounts of the bulbs in autumn – they should come back year after year. The flowers are excellent for cutting and bees love them; they also look good dried.

Discover more plants with pompon flowers.

Here are 10 gorgeous alliums to grow in your garden.

Alliums are incredibly long-lived and bloom for weeks on end, bridging the gap between spring and summer.

1

Allium forrestii

Allium forrestii is a rare dwarf species of allium, native to meadows and gravelly slopes of China. It has grassy foliage and delicate claret coloured flowers.

Height: 20-25 cm.

Delicate claret-coloured flowers of <em>Allium forrestii</em>
Delicate claret-coloured flowers of Allium forrestii
2

Allium ‘Mars’

Allium ‘Mars’ bears well-formed, dark-red-puple, compact flower heads in late-spring and early summer. It’s is a fantastic choice for sunny borders, and works well when planted in drifts with ornamental grasses and other alliums.

Height: 110cm.

Purple rotund flowerheads of <em>Allium</em> 'Mars'
Purple rotund flowerheads of Allium ‘Mars’
3

Allium ‘Purple Sensation’

The tall flowers of Allium ‘Purple Sensation’ appear in summer, showing off rounded heads full of deep violet flowers. It’s best to remove the immature seed-heads as the seedlings tend to have paler flowers.

Height: 80cm.

Mauve flowers of <em>Allium hollandicum</em> 'Purple Sensation'
Mauve flowers of Allium hollandicum ‘Purple Sensation’
4

Allium ‘Dready’

Allium ‘Dready’ is a cultivar of Allium vineale, as is related cultivar ‘Hair’. ‘Dready’ refers to the masses of dreadlock-like curling tendrils in green-red, which grow out from mauve drumstick flower heads.

Height: 40cm.

Curling green tendrils of <em>Allium</em> 'Dready'
Curling green tendrils of Allium ‘Dready’
5

Allium falcifolium

Native to California and southern Oregon, Allium falcifolium is a relatively rare, low-growing alpine allium, bearing deep pink-purple shaggy flowers in late summer.

Height: 20cm.

Deep-pink flowers of <em>Allium falcifolium</em>
Deep-pink flowers of Allium falcifolium
6

Allium amphibolum

Allium amphibolum is a rarely seen drumstick allium hailing from Western China, having wiry stems and small, shaggy flower heads in light pink, with a sweet fragrance.

Height: 40cm.

Dusky-pink flowerheads of <em>Allium amphibolum</em>
Dusky-pink flowerheads of Allium amphibolum
7

Allium ‘Purple Caila’

Allium ‘Purple Caila’ bears large flower heads of purple, star-shaped florets on tall, bare stems in late spring to early summer.

Height: 20cm.

Purple, star-shaped florets of <em>Allium</em> 'Purple Caila" flowerheads
Purple, star-shaped florets of Allium ‘Purple Caila” flowerheads
8

Allium ‘Red Mohican’

Allium ‘Red Mohican’ is a striking allium, bearing unusual, maroon-red drumstick-style flower heads with extra tufts at the top, tipped with tiny white flowers (resembling a mohican).

Height: 90cm.

Maroon, mohican-like flowerheads of <em>Allium</em> 'Red Mohican'
Maroon, mohican-like flowerheads of Allium ‘Red Mohican’
9

Allium rosenbachianum ‘Album’

Allium rosenbachianum ‘Album’ bears globular, flower heads of star-shaped white florets with a green eye. As they mature, the green eyes become seed cases held on thin stalks, to striking effect.

Height: 80cm.

White and lime-green flowers heads of <em>Allium rosenbachianum</em> 'Album'
White and lime-green flowers heads of Allium rosenbachianum ‘Album’
10

Allium ‘Purple Rain’

Allium ‘Purple Rain’ is a cross between Allium ‘Purple Sensation’ and Allium Cristophii. It bears huge purple, globe-shaped flower heads measuring up to 15cm in diameter.

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Height: 90cm.

Huge purple-pink flowerheads of <em>Allium</em> 'Purple Rain'
Huge purple-pink flowerheads of Allium ‘Purple Rain’