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Foliage and flowers.

Flowers are a delicate blue-purple with white.

Growth habit.

Foliage can overwhelm the flowers.

Flowers and foliage.

Growth habit is round and bushy.

Labiatae/Lamiaceae

Arching branches of ovate, deeply veined, dentate leaves terminate in one-sided spikes of small, conservative blue and cream tubular flowers.

Plant Type: perennial

Plant Form or Habit: rounded/mounded

Plant Use: In beds and borders.

Propagation:

division

Flower Color:

dark blue
white

Bloom Period:

early summer
mid-summer

Width: Minimum: 18 inches     Maximum: 36 inches

Foliage Texture: medium

USDA Hardiness Zone: 5

Water Requirements: average

Additional Comments: Needs well-drained soil. If you are looking for a stand-out perennial with blue flowers, S. baicalensis is more showy. Salvia, Veronica, or Campanula species also may be better choices.