Blooms ranging from blue-purple to lavender-pink pop in the late summer and fall landscape. A large, showy native aster that is a must-have autumn nectar source for pollinators.
Blue mist shrub is aptly named as its gray-green foliage is shrouded in a cloud of blue from mid to late summer. It is a well-behaved garden plant that is very attractive to butterflies. 'Dark Knight' has deep purple blue flowers closely spaced on long stems.