Quackgrass (Elymus repens) is a perennial, non-native, cool-season grass.
This plant has a creeping habit and can grow up to 3 feet tall. The leaf blades are blue-green in color and have a rough texture. There is a clasping auricle where the base of the leaf meets the stem.
Sharp-tipped, creeping rhizomes. The seed head forms in the summer and resembles wheat.
Conditions that favor growth
Poor lawn maintenance practices.