Orchids are the largest family of flowering plants known. The prime attraction for growing orchids is the diverse and exotic bloom that is produced. The notion that all orchids are temperamental and difficult to grow is a myth. Some may not be particularly easy however most orchids can be grown anywhere provided that their basic requirements are being met. Orchids are an amazingly adaptable group of plants with somewhere between 25,000 and 50,000 known species. They are naturally found in most parts of the world except Antarctica, with seven species recorded within the Arctic Circle. Orchids are generally divided into 2 categories based on their very specialized root systems.
Epiphytes grow on trees, shrubs, or rocks in the wild with their roots completely exposed to the air. Others have swollen stems called “pseudobulbs” that store water and nutrients.
Terrestrials grow in soil or humus. Both can be grown at home in a special orchid bark medium. A one third layer of gravel at the bottom of a plastic or clay pot helps drainage while weighting the pot at the same time.