Search Results for "Alliums"

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 '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 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 'Ambassador' (Allium 'Ambassador')

Other names: Giant allium 'Ambassador'

Ambassador' is a bulbous perennial with glossy, strap-shaped, bright green basal leaves and, from late spring into summer, sturdy, erect stems bearing large, dense, rounded umbels of dark purple flowers
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0.4m max. spread

1.2m max. height

2-5 years to maturity

Allium 'Mercurius' (Allium 'Mercurius')

'Mercurius' is a bulbous perennial with glossy, strap-shaped, mid-green basal leaves and, from late spring into summer, sturdy, erect stems bearing dense, conical clusters of star-shaped, purple-pink flowers.
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0.25m max. spread

0.8m max. height

2-5 years to maturity

Allium angulosum (Mouse garlic)

Other names: Allium pyrenaicum

A. angulosum is a bulbous, semi-evergreen perennial with narrow, linear, keeled, dark green leaves and upright stems bearing dense umbels of pale pink to purple-pink flowers in summer.
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0.3m max. spread

0.35m max. height

2-5 years to maturity

Allium cyathophorum var. farreri (Flowering onion)

Other names: Allium farreri

A. cyathophorum var. farreri is a vigorous, compact, bulbous perennial forming a dense clump of upright to arching, narrowly strap-shaped, mid-green leaves and loose clusters of nodding, bell-shaped, deep violet flowers in summer.
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0.1m max. spread

0.3m max. height

2-5 years to maturity

Nectaroscordum siculum (Sicilian honey garlic)

Other names: Allium siculum

N. siculum is a bulbous perennial with linear garlic-scented leaves. In early summer, it bears umbels of pendulous green-flushed pink and cream bell-shaped flowers on tall stems.
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0.3m max. spread

1.2m max. height

2-5 years to maturity