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Polemonium
Polemonium is a genus in the Polemoniaceae family. All species are native to temperate regions in the northern hemisphere, except one species that grows in the southern Andes.
Polemonium carneum 'Apricot Delight'
Royal Jacob's Ladder
Royal Jacob's ladder is a medium sized perennial with cream flowers that turn pale pink as they age. 'Apricot Delight' is a garden variety that is slightly taller, with more upright flower stalks.
Polemonium acutiflorum var. laxiflorum
A medium sized perennial with pale-blue or violet-blue flowers.
Polemonium boreale
Northern Jacob's Ladder
Northern Jacob's ladder is a low growing perennial with violet-blue flowers.
Polemonium caeruleum
Jacob's Ladder
Jacob's ladder is a tall perennial with violet-blue flowers.
Polemonium caeruleum 'Album'
Jacob's Ladder
Jacob's ladder is a tall perennial with violet-blue flowers. 'Album' is a variety with white flowers.
Polemonium carneum
Royal Jacob's Ladder
Royal Jacob's ladder is a medium sized perennial with cream flowers that turn pale pink as they age.
Polemonium carneum x caeruleum
Hybrid Jacob's Ladder
Hybrid Jacob's ladder is a medium sized garden hybrid between P. caeruleum and P. carneum with light purple flowers.
Polemonium pulcherrimum
Showy polemonium
Showy polemonium is a low growing rock garden plant with blue-violet flowers.
Polemonium reptans
Creeping Jacob's Ladder
Creeping Jacob's ladder is a medium sized perennial with light blue flowers.
Polemonium viscosum 'Blue Whirl'
Sticky Polemonium
Sticky polemonium is a low-growing or medium sized perennial with violet flowers. 'Blue Whirl' is a tall variety with violet-blue flowers that bears a strong resemblance to P. caeruleum.