Rhipsalis baccifera, AKA Mistletoe Cactus, is a tropical succulent native to rainforests in warm regions. The grownup name for this cactus is Rhipsalis mistletoe cactus. This cactus is found in Florida, Mexico, and Brazil. Surprisingly, growing Rhipsalis requires shade to partial shade. While most cacti are found in hot, sunny, arid zones, mistletoe cactus is unique in its requirements for moisture and its tolerance for dimmer light.