Hardy and tolerant of a wide range of soils physocarpus opulifolius 39summer wine39 is a reliable deciduous shrub bearing attractive burgundy leaves from spring through to autumn from early summer clusters of pink buds open to reveal pretty white flowers which contrast superbly with the foliage as the leaves fall in autumn they reveal wonderful textured stems with peeling bark which gives rise to the common name 39ninebark39 with so much to offer throughout the year physocarpu