These are pitcher plants, one of several exotic and fascinating carnivorous plants whose prey-trapping mechanism features a deep cavity filled with liquid known as a pitfall trap. You also have a Sarracenia, they grow best outdoors as a container or potted plant. It makes an excellent addition to any sunny deck or patio. You may also grow it in a pond or fountain, but keep the crown of the plant above water. Because of its specific soil requirements, avoid planting it directly into the ground, unless you have created a specific type of bog garden. During the growing season, grow your pitcher plant outside in full sun. Provide 6 or more hours of direct sunlight for vigorous growth. For more info, see: http://www.growcarnivorousplants.com/Articles.asp?ID=258