Search Results for "Alliums"

Allium hollandicum (Dutch garlic)

Other names: Allium x hollandicum

A. hollandicum is a upright, bulbous perennial with strap-shaped, mid-green basal leaves, dying back during flowering, and erect stems bearing dense, rounded umbels of star-shaped, purple-pink flowers in summer.
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0.1m max. spread

1m 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 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 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 insubricum (Lombardy garlic )

A. insubricum is a clump-forming, bulbous perennial with flat, linear, slightly twisted, mid-green leaves and clusters of large, nodding, bell-shaped, purple-pink flowers in summer.
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0.1m max. spread

0.25m max. height

2-5 years to maturity

Allium siculum (Mediterranean Bells)

A. siculum is a tall bulbous perennial with a crown of bell-shaped flowers that grow green on the outside with lilac-pink markings on the inside.
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0.1m max. spread

1m 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 karataviense (Kara Tau garlic)

A. karataviense is a low-growing perennial with wide, arching, grey-green leaves. In summer, its bears spheres of star-shaped, pinky-white flowers on upright stems.
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0.8m max. spread

0.25m max. height

2-5 years to maturity

Allium schubertii (Schubert's allium)

A. schubertii is a clump-forming, bulbous perennial with strap-shaped, bright green leaves, dying back before flowering, and umbels of small, star-shaped, pink or purple flowers in early summer.
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0.1m max. spread

0.6m max. height

2-5 years to maturity