The Tienchi Flower tea, though the least expensive on this list, is popular not just in China where it is cultivated, but also across the globe. It is one of the healthiest teas, known for its medicinal uses. It can be used to cure a number of ailments including allergies and insomnia, other than displaying strong detoxifying properties. Resembling delicate florets of broccoli, each kilogram of the Tienchi Flower tea is sold for $170