dog grass
couch grass
quackgrass
quack grass
quick grass
witch grass
witchgrass
Agropyron repens

The little humans burst past, and fled into the shelter of tall couch grass.

Clear the ground of all perennial weeds (particularly couch grass, ground elder and bindweed) before you plant.

Hogun plucked a stem of couch grass and placed it between his teeth.

In March 2010 the playing field was resurfaced with couch grass for public use.

Severe cold had killed off most of the population and those who survived ended up with this spreading cancer that grew like couch grass in May.

They also have a tendency to chop up the roots of couch grass and docks, causing the spread of these weeds.

A rumour of gold would spread like couch grass.

You haven't mentioned the impervious horror of couch grass.

Not under-estimating the challenge, but even couch grass has its place, as food plant for a gorgeous butterfly.

The pitch was made of a matted couch grass and was very spongy and soft.