Scientific Name : "Theobroma cacao L". The cocoa tree only grows in humid, tropical climates, with cultivation limited to regions.Cocoa is a delicate and demanding tree, abundant and regular rains, and soil rich in potassium, nitrogen and trace elements. It grows to about 5 meters within three years, and reaches 8 meters at about ten years. A tree lives normally for 30-40 years. In most plantations, new cocoa trees replace older trees at 25 year intervals., Cocoa ( Theobroma cacao L. ) is a native of Amazon region of South America.