The quaking grass (Briza media) attracts attention in every garden with its dainty inflorescences. Also known as cowquake, quaking grass belongs to the Poaceae (grass) family.
It is native to Europe, North America, and Asia Minor. There are between 22 and 31 species in the genus Briza.
Quaking grass is a warm-season creeping rhizomatousWhat is rhizomatous?Bearing rhizomes. Rhizome is an underground stem, with nodes and short to elongate internodes. ornamental grass with narrow, upright (1/4 to 1/2 inch wide) green leaves that generally grow 12 to 15 inches tall.
In spring, small greenish flowers appear in loose, airy panicles on the stems that rise well above the tufts of foliage and reach a height of 24 to 36 inches.
Flowers give rise to flat-topped, hop-like, purplish seed heads that quiver in the lightest wind, hence the common name – quaking grass.