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Search Results for "Polemonium caeruleum"


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 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
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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 'Blue Pearl' (Jacob's ladder 'Blue Pearl')

'Blue Pearl' is a clump-forming perennial with upright stems bearing clusters of bell-shaped, blue flowers in summer.
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Ultimate spread 0.3m
max. spread
Ultimate height 0.8m
max. height
Time to ultimate size 2-5 years
to maturity
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Polemonium caeruleum 'Bambino Blue' (Jacob's ladder 'Bambino Blue')

Other names: American great valerian 'Bambino Blue', Charity 'Bambino Blue', Greek valerian 'Bambino Blue'

'Bambino Blue' is a compact, clump-forming, herbaceous perennial with pinnate, light green leaves and upright stems bearing clustered, open bell-shaped, violet-blue flowers in summer.
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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 caeruleum 'Snow and Sapphires' (Jacob's ladder 'Snow and Sapphires')

Other names: Variegated Jacob's ladder 'Snow and Sapphires'

'Snow and Sapphires' is a vigorous, clump-forming, deciduous perennial with upright stems bearing pinnate leaves divided into oblong to lance-shaped, dark green leaflets, white at the margins, and cymes of open bell-shaped, purple-blue flowers in late spring or early summer.
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Ultimate spread 0.45m
max. spread
Ultimate height 0.5m
max. height
Time to ultimate size 2-5 years
to maturity
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Polemonium reptans 'White Pearl' (Jacob's ladder 'White Pearl')

Other names: Greek valerian 'White Pearl', Creeping Jacob's ladder 'White Pearl', American abcess-root 'White Pearl', Polemonium caeruleum 'White Pearl'

'White Pearl' is a clump-forming, herbaceous perennial with pinnate, light green leaves and upright stems bearing clustered, open bell-shaped, white flowers in summer.
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Ultimate spread 0.5m
max. spread
Ultimate height 0.75m
max. height
Time to ultimate size 2-5 years
to maturity
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Geranium pratense 'Plenum Caeruleum' (Meadow cranesbill 'Plenum Caeruleum')

Other names: Cranesbill 'Plenum Caeruleum', Hardy geranium 'Plenum Caeruleum'

'Plenum Caeruleum' is a mound-forming, herbaceous perennial with rounded, deeply-lobed, dark green leaves and, in summer, double, pink-flushed, violet-blue flowers
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Ultimate spread 0.75m
max. spread
Ultimate height 0.6m
max. height
Time to ultimate size 2-5 years
to maturity
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Tweedia caerulea (Blue tweedia )

Other names: Oxypetalum caeruleum, Tweedia coerulea, Amblyopetalum caeruleum, Southern star

T. caerulea is a tender, erect, evergreen subshrub with twining, white-hairy stems bearing oblong to lance-shaped, downy, light green leaves and small cymes of light blue flowers that bloom from summer into autumn.
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Ultimate spread 0.6m
max. spread
Ultimate height 1.2m
max. height
Time to ultimate size 2-5 years
to maturity
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Pasithea caerulea (Azulillo)

Other names: Pasithea coerulea, Anthericum coeruleum, Anthericum caeruleum, Blue lily

P. caerulea is a tender, clump-forming, rhizomatous, summer-dormant perennial with keeled, linear, dark green leaves and upright, branched, sometimes dark purple stems bearing open panicles of star-shaped, blue flowers from late spring into summer.
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Ultimate spread 0.6m
max. spread
Ultimate height 0.6m
max. height
Time to ultimate size 1-2 years
to maturity
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