 | Shibori Spirea. The Spiraea Shibori (Spiraea japonica 'Shirobana') is an unusual Spirea that forms multi-colored flower clusters that pollinators adore! Quickly developing into small, upright, and attractive deciduous shrubs that become smothered in these lovely flat-topped fizzy-looking blooms! Attractive mounding shrubs form naturally rounded shapes to garden beds! It is a well-branched plant with flowers forming flat clusters by mid-June, ranging from a mixed pink to creamy white. This dense, mounded shrub has... - Shibori Spirea. |