Dark Tea
黑茶Hēi Chá · Oxidation: Post-Fermented
Aged and microbially fermented teas, most famously Pu-erh. These teas undergo active microbial fermentation over years or decades, developing deep, earthy, and extraordinarily complex characteristics.
How Dark Tea is Made
Plucking
The careful harvesting of tea leaves. High-quality tea is almost entirely hand-plucked, focusing on the newest, most tender growth—usually a single unopened bud and the first two leaves below it.
Fixing
A crucial heating step that denatures the enzymes in the leaf, permanently stopping the oxidation process. This locks in the specific flavor profile the tea master has guided the leaves toward.
Rolling
The soft, pliable leaves are bruised and rolled into shapes. This action breaks down the cellular walls of the leaf, bringing essential oils to the surface so they flavor your cup instantly when brewed.
Sun Drying
A traditional method primarily used for Pu-erh and white teas. Drying the tea naturally under the sun allows certain enzymes to remain dormant but alive, enabling the tea to age and ferment over decades.
Wet Piling (Wo Dui)
To make ripe dark tea, large piles of tea leaves are dampened and covered. This triggers a warm, rapid microbial fermentation (similar to composting), developing deeply earthy, smooth, and thick flavors in just a few months.
Flavor Profile
“A living tea that evolves in value and flavor over decades.”
Varieties of Dark Tea
Raw (Sheng) Pu-erh
生普洱Naturally aged over years. Young raw pu-erh is sharp, floral, and intensely bitter/sweet, while aged raw pu-erh darkens and develops profound depth, medicinal camphor notes, and smooth textures.
Ripe (Shou) Pu-erh
熟普洱Invented in the 1970s. The tea goes through "wet piling" (Wo Dui) to artificially accelerate the microbial aging process in months rather than decades. It produces a thick, inky-dark liquor with profoundly earthy, petrichor aromas.
Hei Cha
黑茶Broad category of post-fermented teas outside of Yunnan, such as Anhua Hei Cha, Liu Bao, or Tibetan brick tea. They feature distinct microbial profiles, sometimes including the beneficial "Golden Flower" fungus.