The spice vanilla is a bean that grows on a creeper that belongs to the orchid family. This is the only orchid with edible fruits (beans). The plant needs a constant tropical moist temperature of 24 to 29 degrees Celsius. The vanilla plant needs a shady environment with plenty of sun to grow in. After 3 years, the vanilla plant is fully grown and produces good quality beans. The bean then has a length between 14 and 26 cm.