Haworthia or Zebra Cactus is a large genus of small succulent plants, most of which are native to South Africa. They are generally grouped under the name Haworthia, although various species may have other names. These plants are delightful little succulents that make good small indoor plants. Potted plants are often placed outdoors during the summer months, and in regions, without frost, they are sometimes grown in the garden. \n \nAdding succulents to your home, help keep your air fresh and free of environmental toxins.