Search Results for "Alliums"

Allium sikkimense (Sikkim onion)

Other names: Blue-flowered allium, Allium kansuense, Allium tibeticum

A. sikkimense is a bulbous perennial with linear, mid-green leaves, and nodding umbels of small, bell-shaped, blue, sometimes white, flowers in early summer.
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0.1m max. spread

0.25m 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 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 'Miami' (Allium 'Miami')

Other names: Ornamental onion 'Miami'

'Miami' is a clump-forming, bulbous perennial with glossy, strap-shaped, mid-green leaves and, in late spring and early summer, sturdy, erect stems bearing dense, dome-shaped umbels of small, star-shaped, reddish-purple flowers in summer.
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0.2m max. spread

1m max. height

2-5 years to maturity

Allium 'Spider' (Allium 'Spider')

Other names: Ornamental onion 'Spider'

'Spider' is a compact, upright, clump-forming, bulbous perennial with glossy, slightly aromatic, strap-shaped, dark green leaves and, in summer, sturdy, erect stems bearing large, umbels of fragrant, star-shaped, purple flowers on stems of varying lengths.
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0.2m max. spread

0.6m max. height

2-5 years to maturity

Allium sphaerocephalon (Roundhead leek)

Other names: Round-headed allium

A. sphaerocephalon is a bulbous perennial with strap-like, mid-green basal leaves and tall stems bearing small round or oval pink to purple-red flowerheads in summer
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0.1m max. spread

0.9m max. height

2-5 years to maturity

Allium cyaneum (Dark blue garlic)

Other names: Allium purdomii, Allium beesianum, Blue onion, Ornamental onion

A. cyaneum is a clump-forming, bulbous perennial with short, spreading rhizomes, grass-like, dark green leaves, and umbels of bell-shaped, blue flowers in summer.
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0.1m max. spread

0.25m max. height

2-5 years to maturity

Allium flavum (Yellow-flowered allium)

A. flavum is a deciduous bulb, with narrow leaves and small, bell-shaped, yellow flowers in loose umbels in early summer.
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0.5m max. spread

0.4m max. height

2-5 years to maturity