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Search Results for "Polemonium"


Polemonium pulcherrimum (Jacob's ladder)

P. pulcherrimum is a clump-forming herbaceous perennial, covered with small, usually blue flowers, but white in some forms. Polemonium pulcherrimum has the largest flowers of all Jacob's ladder-type polemoniums.
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Ultimate spread 0.5m
max. spread
Ultimate height 0.45m
max. height
Time to ultimate size 2-5 years
to maturity
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Polemonium caeruleum (Jacob's ladder)

P. caeruleum is a clump-forming perennial with upright stems bearing pinnate, green foliage. Throughout summer it has clusters of bell-shaped, violet-blue or white flowers.
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Ultimate spread 0.4m
max. spread
Ultimate height 0.9m
max. height
Time to ultimate size 2-5 years
to maturity
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Polemonium pauciflorum (Yellow Jacob's ladder)

P. pauciflorum is a clump-forming, short-lived, deciduous perennial with erect to spreading, branching, softly hairy, usually pinnate leaves divided into elliptic to lance-shaped, dark green leaflets and loose clusters of tubular, pendent to horizontal, red-flushed, pale yellow flowers in summer.
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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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Polemonium boreale (Northern Jacob's ladder)

Other names: Arctic Jacob's ladder, Boreale Jacob's ladder, Polemonium boreale 'Blue Whirl', Polemonium boreale 'Bambino Blue', Polemonium boreale 'Azuro', Polemonium boreale 'Blue Swirls', Polemonium boreale 'Blue Pearl', Polemonium pulcherrimum, Polemonium richardsonii, Polemonium pulcherrimum 'Tricolor', Polemonium viscosum 'Blue Whirl'

P. boreale is a compact, clump-forming, herbaceous perennial with pinnate leaves divided into numerous small, oval to oblong, dark green leaflets and, in summer, upright, branching stems bearing panicles of light violet-blue flowers with yellow eyes.
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Ultimate spread 0.4m
max. spread
Ultimate height 0.3m
max. height
Time to ultimate size 2-5 years
to maturity
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Polemonium carneum (Mountain valerian)

Other names: Royal Jacob's ladder

P. carneum is clump-forming, herbaceous perennial with pinnate leaves divided into elliptic or ovate, mid- to bright green leaflets and, in summer, erect, branched stems bearing loose clusters of bowl-shaped, pale pink or yellow flowers, rarely purple or lavender.
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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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Polemonium 'Hopleys' (Jacob's ladder 'Hopleys')

Other names: Polemonium 'Katie Daley'

'Hopleys' is a clump-forming, herbaceous perennial with pinnate, mid- to dark green leaves and upright stems bearing clusters of fragrant, cup-shaped, pale lilac-pink flowers from early summer into autumn.
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Ultimate spread 0.5m
max. spread
Ultimate height 0.8m
max. height
Time to ultimate size 2-5 years
to maturity
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Polemonium yezoense var. hidakanum 'Bressingham Purple' (Jacob's Ladder 'Bressingham Purple')

Other names: Polemonium yezoense var. hidakanum 'Polbress', Polemonium 'Bressingham Purple'

'Bressingham Purple' is an herbaceous perennial with striking, dark-purple, pinnate leaves. From early to mid-summer, it bears large, single, light-blue flowers which contrast with its dark stems and foliage.
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Ultimate spread 0.5m
max. spread
Ultimate height 0.7m
max. height
Time to ultimate size 2-5 years
to maturity
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Polemonium 'Lambrook Mauve' (Jacob's ladder 'Lambrook Mauve')

Other names: Polemonium reptans 'Lambrook Manor', Polemonium reptans 'Lambrook Mauve'

'Lambrook Mauve' is a compact, spreading perennial with clusters of small, bell-shaped lilac-blue flowers in summer.
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Ultimate spread 0.5m
max. spread
Ultimate height 0.45m
max. height
Time to ultimate size 2-5 years
to maturity
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Polemonium caeruleum 'Brise d'Anjou' (Jacob's ladder 'Brise d'Anjou')

Other names: Variegated Jacob's ladder, Polemonium caeruleum 'Blanjou', Polemonium caeruleum 'Brize D'Anjou'

'Brise d'Anjou' is a clump-forming perennial with upright stems bearing pinnate, creamy-edged foliage. From late spring until midsummer it has clusters of bell-shaped, violet-blue flowers.
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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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Polemonium caeruleum var. lacteum (White Jacob's ladder)

Other names: Polemonium caeruleum var. album, Polemonium caeruleum 'Album', Polemonium caeruleum subsp. caeruleum f. album

P. caeruleum var. lacteum is a clump-forming perennial bearing pinnate, mid-green leaves with lance-shaped leaflets and, in early summer, erect, branched stems bearing small, lax clusters of white flowers.
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Ultimate spread 0.4m
max. spread
Ultimate height 0.9m
max. height
Time to ultimate size 2-5 years
to maturity
Add to my lists


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