Elymus repens, commonly known as couch grass, is a very common perennial species of grass native to most of Europe, Asia, the Arctic, and northwest Africa. It has been brought into other mild northern climates for forage or erosion control, but is often considered a weed .

Other names: quitch grass, couch grass, wheat-grass, shelly-grass, knot-grass, devils-grass, scutch-grass, quick grass. Quackgrass (Elytrigia repens) is a perennial that originated in Europe, northern Africa, and temperate Asia and India. It came to the U.S. via contaminated hay/straw, and is moderately drought resistant.

Quackgrass, also known as couch grass, is often confused for other common lawn weeds. Learn how to positively identify quackgrass in your lawn before you start a treatment plan using our helpful guide.

Quackgrass is a creeping, sod-forming perennial grass, characterized by its straw-colored, sharp-tipped rhizomes (horizontal underground stems) and the pair of whitish-green to reddish, claw-like structures (auricles) that clasp the stem at the top of the sheath. It reproduces through seed and creeping rhizomes. This species can form large patches.

Quackgrass (Elymus repens), also known as couchgrass, is an aggressive introduced cool-season perennial. This grass is a member of the Poaceae family (grasses) that spreads by seed and rhizomes and is listed by the U.S. Department of …

Mature quackgrass is upright, unbranched, and can reach 4 ft (1.2 m) in height. Leaves are rolled in the bud and a pair of narrow auricles clasp the stem at the base of each leaf blade. The ligule is translucent, membranous, and less than 0.04” (0.1 cm) long. The sheath is open at the top, and hairless to hairy.

Quackgrass, also known as couch grass or dog grass, generally appears as new growth above ground from late summer through the fall, but can also stay year round in certain climates. The rhizome root system will begin growth in the spring and expand mostly during the hottest part of …

2024年3月9日 · Quackgrass, Elymus repens, also known as couch grass, is a common weed in lawns and gardens. Treated as a scourge by lawn care companies, it’s quite valuable for herbal medicine and livestock food. We share identification tips, how to use it, and how to get rid of quackgrass where it’s not wanted.

Quackgrass, also known as couch grass, is a grassy weed found in most regions of the United States. It is considered invasive in the Midwestern and Western coastal states. Producing new shoots from late summer through the fall, this cool-season perennial can be hard to control once it appears in a lawn.

Learn about Elymus repens, a highly invasive grass commonly known as common couch. We cover its propagation habits, impact, and the best control methods.