Cannabis cultivation is the cultivation of the Cannabis Sativa plant. Subspecies are C. sativa subsp. sativa an C. sativa subsp. indica. Wild or escaped Cannabis, previously classified as Cannabis ruderalis, is now regarded as the variety C. sativa subsp sativa var. spontanea. Various hybrids are cultivated. Cannabis is grown for a variety of purposes, including as a source of materials for use in various products, such as food, clothing, cosmetics and fuel and for the production of cannabis drug materials. Cultivation techniques for other purposes are very different: see Hemp.