That's why quackgrass — also known as couchgrass, quickgrass, quitch, scotch, twitch, dog grass and witchgrass — is one of the hardest weeds to eradicate. Read on to learn how to identify and ...

Quackgrass is a grass nowhere near as cute as its name. In fact, it is downright annoying. This perennial grass spreads through underground rhizomes, making it a master at evading removal attempts.