Blue mist spirea or bluebeard (Caryopteris x clandodensis) is not commonly planted in U.S. landscapes. In mid- to late- summer, pale blue flowers open above the gray-green foliage. Leaves and stems are mildly aromatic to the touch.  There are now several good hybrid forms, thanks to plant breeders’ efforts to improve garden performance. Caryopteris (I prefer this name) grows in average soil, […]