What is Pu-erh? Pu-erh (pronounced poo-air) is an aged, fermented tea that comes from the Yunnan province in China. Pu-erh tea is unique because it’s made from a natural fermentation process. This process oxidizes the plant’s leaves, amplifying its benefits. It also contributes to the tea’s distinct flavor and aroma. Although pu-erh has a robust, earthy base, its profile will develop over time. Unlike other teas, which get stale over time, pu-erh can mellow and improve with a