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Search Results for "Alliums"


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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Allium mairei (Allium mairei)

A. mairei is a bulbous perennial forming narrow clumps of linear, grass-like, mid-green leaves and loose umbels of bell-shaped, pale pink, white, or white-spotted pink flowers in late summer.
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Ultimate spread 0.1m
max. spread
Ultimate height 0.25m
max. height
Time to ultimate size 2-5 years
to maturity
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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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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 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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Ultimate spread 0.1m
max. spread
Ultimate height 0.25m
max. height
Time to ultimate size 2-5 years
to maturity
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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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Ultimate spread 0.1m
max. spread
Ultimate height 1m
max. height
Time to ultimate size 2-5 years
to maturity
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Allium triquetrum (Three-cornered leek)

Other names: Stinking onions

A. triquetrum is a bulbous perennial with unusual triangular stems and white, green striped bell-shaped flowers in spring.
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Ultimate spread 0.3m
max. spread
Ultimate height 0.4m
max. height
Time to ultimate size 2-5 years
to maturity
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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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Ultimate spread 0.5m
max. spread
Ultimate height 0.5m
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 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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Ultimate spread 0.1m
max. spread
Ultimate height 0.25m
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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