vEronicastrum
(Culver's Root)   

Veronicastrum virginicum
'Fascination', 'Diane', 'Erica', 'Apollo' (photos left)

White to pale blue flower spikes that are similar to Veronica blossoms. Like Veronica it will flower all summer long if kept deadheaded. Likes a moist soil.

3-6 ft. tall, Full Sun