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Search Results for "Alliums"


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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Ultimate spread 0.2m
max. spread
Ultimate height 1m
max. height
Time to ultimate size 2-5 years
to maturity
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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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Ultimate spread 0.1m
max. spread
Ultimate height 0.9m
max. height
Time to ultimate size 2-5 years
to maturity
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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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Ultimate spread 0.75m
max. spread
Ultimate height 0.75m
max. height
Time to ultimate size 2-5 years
to maturity
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Allium senescens (German garlic)

Other names: Broadleaf chives, Mountain garlic, Spiral onion, Curley chives, Curly chives, Mountain leek, Corkscrew onion, Ornamental onion

A. senescens is a vigorous, clump-forming, bulbous perennial with strap-shaped, mid-green leaves and erect stems bearing dense umbels of cup-shaped, purple-pink flowers in summer.
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Ultimate spread 0.2m
max. spread
Ultimate height 0.6m
max. height
Time to ultimate size 2-5 years
to maturity
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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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Ultimate spread 0.6m
max. spread
Ultimate height 0.6m
max. height
Time to ultimate size 2-5 years
to maturity
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Allium roseum (Rosy garlic)

A. roseum is a low-growing bulbous perennial with strap-shaped leaves. In late spring or early summer, it bears loose clusters of dainty pink flowers.
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Ultimate spread 0.5m
max. spread
Ultimate height 0.3m
max. height
Time to ultimate size 2-5 years
to maturity
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Allium stipitatum (Persian onion)

Other names: Allium rosenbachianum, Persian shallot, Tall ornamental onion

A. stipitatum is a bulbous perennial with arching, strap-shaped, grey-green leaves, hairy beneath, and tall, erect stems bearing dense, rounded umbels of tiny, star-shaped, pale lilac flowers in early summer.
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Ultimate spread 0.2m
max. spread
Ultimate height 1.2m
max. height
Time to ultimate size 2-5 years
to maturity
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Allium stellatum (Prairie onion)

Other names: Autumn onion, Fall glade onion, Cliff onion

A. stellatum is an upright, bulbous perennial with flat, linear, aromatic, mid-green basal leaves and slender, erect stems bearing loose umbels of reddish-pink to pale pink flowers from midsummer into early autumn.
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Ultimate spread 0.3m
max. spread
Ultimate height 0.5m
max. height
Time to ultimate size 2-5 years
to maturity
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Allium serra (Jeweled onion)

Other names: Serrated onion, Pom-pon onion

A. serra is an erect, bulbous perennial with distinctly patterned bulbs, linear, channeled, mid-green leaves and, in mid- to late spring, slender, upright stems bearing umbels of pink flowers, turning papery with age.
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Ultimate spread 0.1m
max. spread
Ultimate height 0.4m
max. height
Time to ultimate size 2-5 years
to maturity
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Allium falcifolium (Sickle-headed garlic)

Other names: Coast flatstem onion, Scythe-leaf onion, Sickle-leaf onion

A. falcifolium is a clump-forming, bulbous perennial with strap-shaped, grey-green leaves and short, upright stems bearing umbels of slender, goblet-shaped, crimson to reddish-purple flowers in spring.
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Ultimate spread 0.15m
max. spread
Ultimate height 0.2m
max. height
Time to ultimate size 2-5 years
to maturity
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