florist's spiraea

Description

stilbe glaberrima, called the florist's spiraea and smooth rock astilbe, is a species of flowering plant in the genus Astilbe, native to Yakushima Island, Japan. Some authorities have it as a subspecies of Astilbe japonica, Astilbe japonica subsp. glaberrima. Its dwarf variety Astilbe glaberrima var. saxatilis has gained the Royal Horticultural Society's Award of Garden Merit