UTIA Family, please refer utk.edu/coronavirus for the latest updates and student information. For UTIA-specific resources, please visit utia.tennessee.edu/coronavirus .

Diarrhena americana

Share on

Common Name: American Beakgrain, Beak Grass

Part to full shade, moderately wet to moderately dry moisture level, prefers rich soil but tolerates average.  1-3 feet height, blooms in summer, greenish flowers, will naturalize by slender rhizomes and can form dense colonies under optimum growing conditions.

Germination Code:  C(60), 

Native Region:  Middle Tennessee and lightly in East Tennessee

Warm season. Shiny, dark green, arching foliage provides an attractive groundcover in shady areas.  Each seed is tapered to a blunt beak, which gives rise to its common name. Tolerates dense shade and dry soil. Turns a rich golden brown in fall.

American Beakgrain, Beak Grass - Diarrhena americana
Photo Courtesy of Agrecol Native Seed, Plants and Restoration http://www.agrecol.com/