Dianhong: A Complete Guide to Yunnan Golden Tip Black Tea

Dianhong is a black tea from Yunnan, made from the large-leaf assamica bushes that grow around Fengqing and the upper Mekong. It was first produced in 1938 by the tea engineer Feng Shaoqiu, and the style is built on a simple fact: a big, thick leaf with heavy down produces a tea with more color, more body and more golden tips than any small-leaf black tea. Expect malt, cocoa and dried fruit, a deep red cup, and enough strength to take milk.

Why the leaf is different

Yunnan sits at the western edge of the tea belt and grows Camellia sinensis var. assamica, the large-leaf variety, rather than the small-leaf sinensis used in Anhui and Zhejiang. The assamica leaf is broader, thicker and higher in polyphenols, and its buds carry a dense, long down that turns gold when it oxidizes and dries.

Fengqing, the original production centre, sits near 24 degrees N at roughly 1,500 to 2,000 m with a monsoon climate and heavy morning fog. Cool nights and warm days push the bush to build starch and polyphenol, which is why a Yunnan black tea can be brewed strong without turning thin. The county also holds a wild tea tree said to be over 3,000 years old, a claim that speaks to how long the species has grown there rather than to any quality difference in the cup.

1938, and why it matters

The origin is unusually well documented for a Chinese tea. In 1938 the national tea trading company sent two engineers, Feng Shaoqiu and Fan Hejun, to survey Yunnan because the coastal provinces had been cut off by war and the export black teas, Keemun among them, were no longer reaching foreign buyers. Feng was assigned to Shunning, now Fengqing. He picked buds and leaves from a local garden, made a small batch of black tea and a small batch of green, and sent samples to the Hong Kong market.

The black sample was judged superior to anything then coming out of the small-leaf provinces. Feng’s own description of that first batch was that the leaf was covered in golden down, the liquor deep red and bright, the leaf bottom coppery, and the aroma strong. Production scaled quickly: the Shunning experimental factory was built in 1939, and tea moved out through Hong Kong to London.

One correction to a common story. Dianhong is often said to have won a gold medal at the 1915 Panama exposition. It cannot have, because the tea did not exist until 1938. The 1915 medal in Yunnan belongs to a different product. Treat any Dianhong label making the 1915 claim as a sign that the seller is repeating marketing copy rather than history.

The grades you will actually see

Dianhong is sold under several names that describe leaf grade rather than a single product. The convention is straightforward once you know it: the more bud in the mix, the higher the grade and the more gold in the dry leaf.

Golden tips command the highest price and are the least typical of the category. They are soft, sweet and almost floral, and drinkers who expect the malt and cocoa of a standard Dianhong sometimes find them thin. The gongfu grade is where the style shows itself, and it is also the best value.

Processing

The sequence is the standard black tea one, but the parameters are tuned to a thick leaf that holds a lot of water. Fresh leaf is withered, often for longer than in a small-leaf region, until it is pliable and has lost roughly a third of its weight. It is then rolled hard enough to break the cell walls, which for assamica leaf takes real pressure.

Fermentation is the step that decides whether the tea tastes of cocoa or of sour bread. The leaf is spread in thin layers in a cool, humid room and turned as it reddens. Yunnan’s ambient humidity helps, and the risk is over-running rather than drying out. Finally the leaf is dried in two stages, first to stop the reaction and then to bring moisture down for storage.

Sorting is where golden tips become a named grade. Buds, bud-with-leaf and leaf are separated by size, and the proportion in the final blend sets both the appearance and the price. A tin that is uniformly gold is either a pure bud product or a blend with a very high bud fraction, and either way it will brew lighter than a standard gongfu grade.

What it tastes like

Dry leaf is dark with gold streaks, and smells of malt, cocoa and a faint sweet potato note. Brewed, the liquor is deep red, often with an orange rim. Aroma is malt and cocoa over dried fruit. In the mouth it is full and slightly thick, sweet in the middle, with a clean astringency at the end that keeps it from tasting syrupy.

The sweet potato note deserves a warning. It is normal in Yunnan black tea and comes from the cultivar and the drying, but it is also easy to produce in a cheap tea from a different region. If the only thing you can taste is sweet potato, you are probably not drinking a Fengqing leaf.

Brewing

Use 3 g per 150 ml at 90 to 95 C and steep two to two and a half minutes. The leaf is strong and extracts fast; a four-minute steep will be bitter. For milk tea, use 5 g per 300 ml and steep four minutes, then add milk.

• 90 to 95 C. Boiling water is fine for a broken grade but flattens the aroma of golden tips.
• 3 g per 150 ml, two to two and a half minutes. Taste at 90 seconds the first time you open a new tin.
• Preheat the pot. A cold vessel drops the water below 85 C before the leaf is wet.
• Two to three infusions. The second is usually the sweetest.
• For milk, brew stronger rather than longer, so you get flavor without harshness.

Buying and storage

Look for dark leaf with gold streaks rather than uniform gold, a smell of malt and cocoa with no sourness, and no excessive dust. Ask for the county or at least the prefecture; Yunnan is large and leaf from the warmer south behaves differently from leaf around Fengqing. A tin that simply says Yunnan tells you very little.

Store it sealed, dry and away from light at room temperature. Black tea is stable for about two years, and the malt note fades before the tea becomes undrinkable. Do not refrigerate unless the container is genuinely airtight.

Health, in proportion

Dianhong has the usual black tea profile of caffeine and oxidized polyphenols. Yunnan large-leaf tea tends to run higher in polyphenol than small-leaf black tea, which is a flavor fact rather than a health claim. Studies on tea and cardiovascular markers report modest associations at best, and no tea treats disease. A strong cup carries about as much caffeine as a weak coffee.

Frequently asked questions