Oolong Tea

Oolong tea (wūlóng chá, literally 'black dragon tea') occupies the broad middle ground between green and black tea, produced through a partial oxidation process that can range from 15 to 85 per cent — this range accounts for the dramatic flavour variation within the category. The degree of oxidation, roasting and cultivar together determine whether a given oolong is light and floral or dark and toasty.

Three oolongs define the Chinese tradition for most connoisseurs. Tieguanyin (Iron Goddess of Mercy), from Anxi county in Fujian: tightly rolled into small pearls, jade-green, with a pronounced floral character — orchid is the standard comparison — and a clean, sweet finish. Lightly oxidised versions are the most common; more heavily roasted versions are darker and less immediately approachable. Da Hong Pao (Great Red Robe), from the Wuyi Mountains in northern Fujian: a rock oolong (yán chá) grown on the mineral-rich cliff soils of the Wuyi range, with a char-and-mineral character from heavy roasting, a dark infusion and considerable complexity across multiple brews. The four mother plants at Tianxin Rock are protected; anything sold as 'original' Da Hong Pao is a propagation or blended product. Dancong oolongs from Chaozhou, Guangdong: single-cultivar oolongs sold by aroma type — Yulan Xiang (magnolia), Mi Lan Xiang (honey orchid), Xing Ren Xiang (almond) among others — delicate, highly aromatic and generally expensive at the premium end.

All three are brewed gongfu style: a high leaf-to-water ratio in a small gaiwan or unglazed yixing clay pot, with very brief infusions repeated six to fifteen times. The same leaves evolve through the sequence — this is considered the point of the exercise rather than an efficiency concern.