Sun or partial shade
Late spring to early summer. Longer in cooler conditions
Prefers a moist, humus rich loam
28 to 24 inches
Zone 3 - very hardy
Semi shade. woodland border. Attractive foliage.
Hardy and reliable. Can be divided in early fall. Cut spent flowers to encourage reblooming.
This is a native woodland species that will take a fairly shady spot. It reaches 2 feet and blooms from spring to early summer with clusters of bright blue cup-shaped flowers. The bloom period will be longest in a light shade with a moist soil. The ferny foliage remains attractive throughout the summer. Jacob's Ladder is useful in mixed borders and wildflower gardens.