Polemonium caeruleum
Tall Jacob's Ladder
Polemoniaceae or Phlox Family
24 to 36 inches tall - blue
Full sun to part shade
Moist, humus-rich soil
Early Summer
Propagate by seed or division (easy)
Photos by Jane Hendrix

Jacob's Ladder is a tall, stately species sporting large clusters of sky blue flowers. It is easy to grow from seed and is not fussy about soil requirements. However, best growth will be attained in moist, fertile soil in dappled shade.