Canadian Brand. Catnip is a member of the mint family of flowering herbs, which most cats find naturally irresistible. Kooky Kat Catnip is grown in Canada on fields in British Columbia and Alberta. The leaf and flower catnip is a medium grade milled product containing catnip leaf, fines and some stalk material. This is a highly aromatic product that will be highly enjoyed. Catnip should be provided to cats in small quantities and is useful for stimulating play and exercise. Some cats eat catnip which is safe, always supervise pets when using catnip. Enjoy the fun!