What are Some Types of Cactus Plants?

Almost all types of cactus are native to North and South America, with a few found in the West Indies. There is only one type of cactus that doesn't grow in the Americas or West Indies, and that is the mistletoe cactus. The mistletoe cactus is found instead throughout tropical regions of the world including Africa, the Americas, Sri Lanka and Madagascar. The Tehuacán Valley in Mexico has the most varieties of indigenous cacti in the world. There are about five different groups of cacti that are specific to their environments. Desert cactus favor lots of sun. Mountain cacti are extreme survivors that use a fur-like covering to keep from scorching during the day and freezing at night. Seashore cacti are challenging house plants because of their constant need for humidity and warmth. Rainforest cactus will not conserve like their cousins, but are usually found on the forest floor and away from sunlight. Finally, savanna cacti are hearty plants that do well in lower temperatures, so long ...  more