Noun
Any of the many flowering shrubs of the genus Spiraea, that have clusters of white or pink flowers.
Any of the flowering plants of the genus Astilbe.
Source: en.wiktionary.orgIris, peonies, old-fashioned spirea, lily of the valley, red bud trees, surprise lily's, tiger lily's, all transplanted from vintage stock. Source: Internet
Orange poppies, ranunculus, and roses spill from this arrangement, along with golden pansies, kerria, and spirea. Source: Internet