Physocarpus opu 'Monlo' (PP 11,211) DIABOLO® NINEBARK TREE

Zone: 4  Height: 4-8 ft.
A tough, durable shrub that becomes dense and rounded with age.  The brown bark exfoliates for winter interest. White to slightly pink flowers in late spring, and dark purplish leaves all summer.
 
Also sold in Shrub form.