Astilbe 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.

[2] Some authorities have it as a subspecies of Astilbe japonica, Astilbe japonica subsp.

Its dwarf variety Astilbe glaberrima var.

saxatilis has gained the Royal Horticultural Society's Award of Garden Merit.

[3] The following varieties are currently accepted:[2] This Saxifragaceae-related article is a stub.