Cat grass is cereal grasses that are safe for cats to eat. This could be rye, barley or wheat which you can grow at home to feed to your cat.

Some people love their cats and plants but having both in a home can be awful the cat (most) will want to chew on your beloved plants so that is when you get what is called cat grass, they will eat that instead of your other greenery. You can find more information here: http://davesgarden.com/guides/articles/v...