Search Results for "Centaurea montana"

Centaurea montana 'Black Sprite' (Perennial cornflower 'Black Sprite')

Other names: Perennial bachelor's button 'Black Sprite'

'Black Sprite' is a rhizomatous, mound-forming perennial with ovate to lance-shaped, sometimes lobed and toothed, grey-green leaves and, from late spring into summer, purple-black flowerheads surrounded by long, slender, curled florets.
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0.6m max. spread

0.35m max. height

1-2 years to maturity

Centaurea montana 'Parham' (Perennial cornflower 'Parham')

'Parham' is a mid-sized herbaceous perennial with grey-green leaves. In summer, it bears large, lavender flowers that have narrow petals giving a feathery appearance.
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0.5m max. spread

0.6m max. height

2-5 years to maturity

Centaurea montana 'Purple Heart' (Mountain cornflower 'Purple Heart')

Other names: Mountain bluet 'Purple Heart', Perennial cornflower 'Purple Heart', Mountain knapweed 'Purple Heart'

'Purple Heart' is a mound-forming, rhizomatous, herbaceous perennial with broadly lance-shaped, sometimes lobed and toothed, grey-green leaves, hairy beneath, and, from late spring into summer, white flowers with tubular petals and prominent purple centres.
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0.7m max. spread

0.7m max. height

1-2 years to maturity

Centaurea montana 'Amethyst in Snow' (Mountain cornflower 'Amethyst in Snow')

Other names: Perennial cornflower 'Amethyst in Snow', Mountain bluet 'Amethyst in Snow', Perennial bachelor's buttons 'Amethyst in Snow'

'Amethyst in Snow' is a mat-forming, rhizomatous, herbaceous perennial with broadly lance-shaped, sometimes lobed and toothed, grey-green leaves, hairy beneath, and, from late spring into summer, white flowers with well-spaced, tubular petals and deep purple to reddish-purple centres.
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0.6m max. spread

0.4m max. height

1-2 years to maturity

Centaurea 'Amethyst on Ice' (Perennial cornflower 'Amethyst on Ice')

Other names: Centaurea montana 'Amethyst on Ice', Mountain cornflower 'Amethyst on Ice', Mountain bluet 'Amethyst on Ice'

'Amethyst on Ice' is a rhizomatous, mat-forming perennial with broadly lance-shaped, sometimes lobed and toothed, dark green leaves and, from late spring to late summer, white flowerheads with prominent, dark purple centres.
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0.7m max. spread

0.4m max. height

1-2 years to maturity

Centaurea pannonica (Knapweed)

Other names: Centaurea angustifolia, Centaurea duboisii, Centaurea jacea subsp. pannonica , Centaurea pannonica subsp. pannonica , Centaurea jacea subsp. angustifolia , Cyanus angustifolius, Jacea pannonica

C. pannonica is an upright, branching, herbaceous perennial with lance-shaped to broadly linear, grey-green leaves and thistle-like, lilac-pink flowers from early summer to early autumn.
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0.45m max. spread

0.6m max. height

1-2 years to maturity

Centaurea carniolica (Knapweed)

Other names: Centaurea nigrescens, Centaurea nigrescens var. ramosa, Tyrop knapweed, Short-fringed knapweed

C. carniolica is an upright, branched, herbaceous perennial with ovate to lance-shaped, sometimes lobed and toothed, grey-green leaves and thistle-like, purple-pink to purple flowers from late spring into summer.
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0.3m max. spread

0.4m max. height

1-2 years to maturity

Pulmonaria mollis (Hairy lungwort)

Other names: Mountain lungwort, Christmas cowslip, Pulmonaria montana subsp. mollis

P. mollis is a vigorous, clump-forming, rhizomatous, deciduous perennial with narrowly ovate, softly hairy, mid- to dark green leaves and, from late winter to mid-spring, funnel-shaped blue flowers, occasionally flushed-pink, aging to purple-blue.
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0.6m max. spread

0.45m max. height

2-5 years to maturity

Iris missouriensis (Missouri flag)

Other names: Iris montana, Iris tolmeiana, Western blue flag, Rocky Mountain iris, Wild iris, Wild blue iris

I. missouriensis is a variable, spreading, rhizomatous, deciduous perennial with strap-shaped, erect to arching, dark blue-green leaves and, in summer, slender, branched stems bearing flowers with short, blue to lavender standards and paler falls with dark purple veins.
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0.3m max. spread

0.5m max. height

2-5 years to maturity