Leymus racemosus, Mammoth Wildrye
(old nomenclature: Elymus giganteus) (Introduced)

Perennial, 3 – 4 ft. tall, cool-season, drought-tolerant, rhizomatous grass.  Adapted to inland sand dunes, deep sands, and dredge soils.  Useful to stop sand movement and provide cover for wildlife.  Unpalatable, winter-hardy, and somewhat alkaline-tolerant.  Minimum precip. is 7 inches. Plant fall or spring ¾ – 1 inch deep. 80,000 seed/lb.

Named Release: ‘Volga’ (Cultivar) Released from 1934 seed collections from the former Soviet Union. Developed for control of inland sand dunes in the Pacific Northwest but used in other adapted areas of the west.

USDA: Plant Profile | Plant Guide