Scientific NameArrhenatherum elatius
Other Common Names:
tall meadow oat
A perennial bunch-type grass that can grow 3 to 5 ft tall
Leaf blades can be up to 12 inches long and 2 to 12 mm wide, are flat, hairless, and rough to the touch. The leaf has a short membranous ligule (1.5 to 2 mm), and the leaf sheaths are hairless.
Tall oatgrass, is a perennial, cool-season bunchgrass generally grown in Europe where it once was a component of the grasslands. Culms are erect, from 3 to 5 feet tall. It is one of the most drought tolerant cool-season grasses.
Flower Seed Head
Seed heads are narrow panicles 3 to 10 inches long and up to 2 inches wide with long, twisted, angled, exposed awns.
Seed grain are yellowish and hairy approximately 3.5 mm long with an elliptical shape
Tall oatgrass has been introduced into the United States from Europe. It can establish in meadows, fields, open ground, waste places, and roadsides from south to Georgia, Louisiana, New Mexico, and California. Adapted to excessively drained low fertility soils.
Leaf Hair on Upper Surface
hairs from base to tip
rolled in bud
Mature Leaf Width
less than 5 mm,
6 to 15 mm
flat or oval