As with any grassy weed, they can be hard to identify and ... or other harsh chemicals to remove carpet grass. However, avoid ...

If you are looking for a plant that will form a dense carpet and keep weeds at bay, monkey grass is a superb option,' says Mike Murphy, garden expert and owner at You Had Me At Gardening.

it has left "a thick carpet across the canal", the trust said. Dogs and other animals have been known to mistake duck weed for grass "and ended up in the water", trust spokesman Diane Rollin said.