Conoclinium coelestinum
Blue Mistflower
This native perennial stands just 2 feet tall.
It produces a multitude of fluffy blue flowers in late summer through fall.
It can self-seed in the garden and spends the firsts part of the season looking like a weed, but it is extremely popular with butterflies and other pollinators.
Grows best in part shade and moist or wet soil.
Deer resistant.