Grow a nutritious, tasty snack for your cat in this fun Chia Cat Grass Planter. The complete cat grass kit includes a reusable planter featuring Sylvester and Tweety, cat grass seeds and growing mix. Everything you need (except water!) is right in the box. The blend of wheatgrass and oatgrass seeds sprout within a couple of days. It's easy to do and fun to grow!