Snake cactus plants (Disocactus spp.) are epiphytic cacti that live on trees. They have long, trailing stems with bright green, segmented leaves. Snake cacti are succulents, which means they can store water in their stems. They are native to tropical and subtropical regions of the Americas. Snake cacti are popular houseplants because they are easy to care for. They need bright indirect light, well-drained soil, and moderate watering. Snake cactus plants can be propagated from stem cuttings or air layering. They can also be used in traditional medicine.