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Plant Families / Polemonium - Jacob's Ladders


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Polemonium - Jacob's Ladders

Valued for their blue flowers and fern-like foliage, Polemonium (Jacob's Ladder) can be annuals or herbaceous perennials of upright or spreading habit. Blooming in spring or summer, they are excellent garden plants. The rather delicate foliage mound is handsome on most species and the plants are ornamental, even when not in flower. They do well in cooler climates and require full sun to partial shade, and well-drained soil.

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Polemonium boreale 'Heavenly Habit' (Northern Jacob's Ladder)

Polemonium boreale 'Heavenly Habit' (Northern Jacob's Ladder) is a compact, clump-forming perennial forming a low, bushy mound of fern-like, glossy green leaves. In summer, it is smothered with a profusion of lightly-scented, violet-blue flowers borne atop upright stems.

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Polemonium boreale (Northern Jacob's Ladder)

Extremely cold-hardy, Polemonium boreale (Northern Jacob's Ladder) is a compact perennial with creeping underground stems forming a low, bushy mound of alternate, basal green leaves with very short petioles.

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Polemonium caeruleum 'Bambino Blue' (Jacob's Ladder)

Polemonium caeruleum 'Bambino Blue' (Jacob's Ladder) is a compact, clump-forming perennial prized for its ravishing clusters of open bell-shaped, violet-blue flowers.

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Polemonium caeruleum (Jacob's Ladder)

Polemonium caeruleum (Jacob's Ladder) is an erect perennial prized for its loose sprays of cup-shaped, deep blue flowers, 1 in. across (2.5 cm), adorned with prominent yellow stamens in mid to late spring.

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Polemonium caeruleum Brise d'Anjou (Jacob's Ladder)

Polemonium caeruleum Brise d'Anjou (Jacob's Ladder) is an erect, a clump-forming perennial prized for its clean variegated leaves of bright green and creamy-white. In mid to late spring, small violet-blue flowers are borne atop stiff leafy stems.

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Polemonium reptans 'Stairway to Heaven' (Creeping Jacob's Ladder)

Regarded by many as the best variegated Jacob’s Ladder ever introduced, Polemonium reptans 'Stairway to Heaven' (Creeping Jacob's Ladder) is a herbaceous perennial forming a low mound of variegated leaves of bright green and creamy-white, tinged with pink in cool weather.

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Polemonium reptans (Creeping Jacob's Ladder)

Polemonium reptans (Creeping Jacob's Ladder) is an attractive wildflower boasting loose, terminal clusters of light blue to purple, bell-shaped flowers on sprawling, weak stems from mid spring to early summer.

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Polemonium yezoense var. hidakanum 'Purple Rain' (Jacob's Ladder)

Polemonium yezoense var. hidakanum 'Purple Rain' (Jacob's Ladder) is a compact herbaceous perennial prized for its large clusters of star-shaped, purple flowers adorned with prominent stamens and cream anthers.

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Polemonium yezoense var. hidakanum Bressingham Purple (Jacob's Ladder)

An outstanding performer, Polemonium yezoense var. hidakanum Bressingham Purple (Jacob's Ladder) is a compact herbaceous perennial prized for its clusters of cup-shaped, lavender blue flowers adorned with bright yellow stamens in mid to late spring.

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