A beautiful mat-forming perennial with
glossy lance-shaped leaves and erect
spikes of pale-blue flowers in early Summer.
Upright, hardy perennial with mid-green
leaves and intense blue flowers in
terminal spikes.
2 ½ - 3 feet.
Blooms for a long period from mid-Summer.
A fully-hardy upright perennial which produces
many long pink flowers spikes over a long
period in mid-Summer.
Loamy, moderately fertile moist but
well-drained soil in sun or partial shade.