Coefficient of Conservatism:
Coefficient of Wetness:
A. A. Reznicek
A deciduous shrub from China (despite the epithet “syriacus”) commonly cultivated in southern Michigan for its showy flowers in summer. It self-sows readily in gardens, and was confirmed as an escape in Lenawee Co. by R. W. Smith in 2012, where it formed dense thickets along a road and into the adjacent woods.
Wild seedlings generally have somewhat dingy purplish flowers, but cultivated selections may have larger flowers, ranging in color from white to blueish, often with contrasting centers.