“Biological diversity is the key to the maintenance of the world as we know it.”
~ E.O. Wilson, Biodiversity
These tall plants bloom in late summer with slender spikes of azure-blue flowers. The whorled blooms are densely packed at the end of each flowering stem. Narrow, lance-shaped, gray-green, basal foliage with smaller stem leaves.
Late (July - frost)
No information available.