Search Results for "Allium"

Allium stipitatum 'Mount Everest' (Allium 'Mount Everest')

Other names: Ornamental onion 'Mount Everest'

'Mount Everest' is a clump-forming, bulbous perennial with glossy, strap-shaped, mid-green leaves and, in summer, sturdy, erect stems bearing dense, rounded umbels of star-shaped, white flowers in summer.
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0.5m max. spread

1m max. height

2-5 years to maturity

Allium oreophilum (Allium oreophilum)

Other names: Allium ostrowskianum

A. oreophilum is a low-growing bulbous perennial with strap-shaped leaves. In late spring or early summer, it bears clusters of dainty rose-pink flowers.
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0.2m max. spread

0.15m max. height

2-5 years to maturity

Allium 'Gladiator' (Allium 'Gladiator')

Other names: Giant allium 'Gladiator', Ornamental onion 'Gladiator'

'Gladiator' is a bulbous perennial with glossy, strap-shaped, mid-green leaves and sturdy, erect stems bearing large, dense, rounded umbels of star-shaped, lilac flowers in early summer.
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0.5m max. spread

1.5m max. height

2-5 years to maturity

Allium 'White Empress' (Allium 'White Empress')

Other names: Allium jesdianum 'White Empress', Allium rosenbachianum 'White Empress'

'White Empress' is a bulbous perennial forming strap-shaped, grey-green leaves and large, globular clusters of starry white flowers.
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0.5m max. spread

0.75m max. height

2-5 years to maturity

Allium cristophii (Star of persia)

Other names: Allium christophii, Allium albopilosum

A. cristophii is a deciduous, bulbous perennial, with strap-shaped, grey-green leaves dying back at flowering and, in early summer, spherical heads of star-shaped, purple-pink flowers followed by showy seed-heads.
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0.6m max. spread

0.6m max. height

2-5 years to maturity

Allium 'Mars' (Allium 'Mars')

'Mars' is a bulbous perennial with strap-shaped leaves and spherical heads of reddish-purple flowers on tall upright stems in early summer.
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0.2m max. spread

1.2m max. height

2-5 years to maturity

Allium giganteum (Giant allium)

A. giganteum has spreading, strap-shaped basal leaves which die down before the flowers, and tall stems bearing round umbels of bright purple flowers in summer.
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0.5m max. spread

1.5m max. height

2-5 years to maturity

Allium 'Firmament' (Allium 'Firmament')

'Firmament' is a bulbous perennial, with strap-shaped, grey-green leaves. Star-shaped, deep-purple flowers are borne in spherical heads in early summer which are followed by attractive seed-heads.
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0.75m max. spread

0.75m max. height

2-5 years to maturity

Allium atropurpureum (Allium atropurpureum)

Other names: Purple flowered onion

A. atropurpureum is a bulbous perennial. It has basal, strap-shaped leaves and in late spring and early summer bears spherical, deep purple flowers on upright stems.
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0.5m max. spread

0.5m max. height

2-5 years to maturity

Allium forrestii (Forrest's allium )

Other names: Forrest's ornamental onion

A. forrestii is a compact, clump-forming, bulbous perennial with linear, grey-green leaves and short stems bearing umbels of pendent, bell-shaped, reddish-purple flowers in summer.
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0.15m max. spread

0.25m max. height

2-5 years to maturity