A single hutou orange: from the moment it is picked in early winter to the moment the finished suankan-cha ball is complete, it passes through at least nine rounds of steaming and sun-drying over three months or more. Once the dried tea ball is ready, it can be stored for decades and only improves with age — earning it the nickname "Taiwan's pu-erh." Longtan and Yangmei in Taoyuan are among the areas within the Hsinchu–Taoyuan–Miaoli Hakka belt where this craft is best preserved, and the production method has been documented in the National Cultural Memory Bank as an intangible cultural heritage.
What is Hakka Sour Tangerine Tea (Suankan-cha)
To make suankan-cha, a hutou orange (botanical name: suan gan, or sour tangerine) harvested in winter serves as the vessel. The flesh is scooped out and the cavity is filled with tea leaves, perilla, licorice root, dried tangerine peel, and other ingredients; the stem cap is replaced as a lid. The filled orange is then steamed until soft, removed, and sun-dried — this cycle repeated nine times or more. The finished product has a deep brown, firm exterior. To drink, shave or grind off a small portion and steep in hot water; the liquor turns amber-orange, with a sour-sweet, herbal-tinged taste that mellows into sweetness on a long steep. A folk tradition of its digestive benefits has been passed down for generations.
Suankan-cha, Oriental Beauty oolong, and ground tea (lei cha) are known as the three great Hakka teas — each filling a different role: ground tea is an instant ready-to-drink guest offering, Oriental Beauty is a premium local specialty tea, and suankan-cha is a household-made, preservable food-culture heirloom passed across generations. Hakka communities in Taoyuan are centered in Longtan, Yangmei, Zhongli, and Daxi; the tradition of making suankan-cha remains active today, with some artisan workshops operating it as a livelihood. Taiwan Panorama magazine and the Council for Hakka Affairs have both produced feature coverage.
How to Drink It the Local Way
Local Knowledge
Verified Credentials
- The suankan-cha production craft has been recorded in the National Cultural Memory Bank and recognized as Hakka intangible cultural heritage with official cultural status.
- The Council for Hakka Affairs and Taiwan Panorama magazine have both produced feature coverage of suankan-cha, documenting the transmission of this craft in Longtan and Yangmei.
- "The three great Hakka teas" (suankan-cha, Oriental Beauty, and ground tea) is a classification jointly recognized in academic and folk-tradition studies of Hakka food culture.
Practical Tips
- Hutou oranges are harvested around the winter solstice each year (roughly November–December). Production takes approximately one to three months, so new-batch tea balls are difficult to source outside the hutou orange season.
- Quality varies widely on the market. When buying, prioritize workshops that specify "made locally in Longtan / Yangmei" and can explain how many steaming-and-drying cycles were completed.
- First-time buyers should consider purchasing a small amount of loose shaved or pre-ground suankan-cha in a bag before committing to a whole tea ball, to avoid disappointment if the flavor differs from expectations.
Sources: National Cultural Memory Bank, Council for Hakka Affairs records, Taiwan Panorama suankan-cha feature. Photos pending Dio's on-site shoot.