Est. 1956 · The Order The independent guide to oolong: the partly oxidized teas, and how to brew them. Oolong.biz
THE ORDER OF THE SEVENTH STEEP SEMPER PARTIM OXIDATUM The Order of the Seventh Steep
The Order of the Seventh Steep
OOLONG
Semper Partim Oxidatum Always partly oxidized

Tagged: shui xian

Article · Oxidation & Roast

A Rainy Pick Day Caps a Rock Tea's Aroma, and No Roast Recovers It

A 2025 GC-MS study found rainy-day-picked Wuyi rock tea carries 40 to 74 percent less floral and fruity aroma compound than sunny-day leaf, and processing cannot fully make up the deficit.

Jul 19, 2026 →
Guide · Regions & Origin

Yancha, Wuyi Rock Tea

Yancha is the oxidized, charcoal-fired oolong of the Wuyi cliffs, defined by the mineral yan yun and sorted by the state into five official categories. The canonical account of what it is, how it is classified and graded, how it is made, and the documented history from Tang-dynasty tribute leaf to today's regulation.

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