October 27, 2026

Is Tieguanyin green tea or oolong tea? A complete guide to gongfu tea brewing and tea flavor tuning

September 25, 2021
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Introduction:Tieguanyin is often mistaken for green tea, but it is actually a representative of southern Fujian oolong tea. Its unique orchid-like aroma and throat sensation are brought out through semi-fermented processing. To fully unlock the potential of Tieguanyin, mastering the seven key steps of traditional gongfu tea is essential. This article details core techniques such as water selection, teaware preheating, tea-to-water ratio, water temperature control, and steeping rhythm, helping both beginners and connoisseurs consistently brew a rich cup of tea and appreciate the subtle layering changes between each infusion.

As a classic tea from Anxi, Fujian, many people wonder whether Tieguanyin is green tea or oolong tea upon first tasting it. The correct answer is: Tieguanyin is categorized as oolong tea, and it is a representative variety of southern Fujian oolong. It uses a semi-fermented production process, sitting between the unfermented green tea and the fully fermented black tea, resulting in a unique flavor that is both fresh and mellow. Among its most praised qualities is the natural orchid fragrance and the profound "Guan Yin rhyme."

To fully reveal the delicate layers of Tieguanyin, the traditional gongfu tea brewing method is the best choice. This tea brewing technique originating from China emphasizes precise control at every step—from water source selection to pouring technique—all of which directly affect the final tea quality. Below, we will guide you step-by-step through the complete tea brewing process and provide practical parameter suggestions so that you can consistently brew high-quality tea at home or during a tea session.

First is the preparation of hot water. It is recommended to use filtered water or high-quality bottled water, avoiding the direct use of tap water. Tap water often contains chlorine, fluoride, and other chemical residues, as well as high concentrations of calcium and magnesium ions, all of which can interfere with the purity of the tea liquor and even introduce unwanted off-flavors. The ideal brewing water should be clear and free of impurities, with a balanced mineral content to highlight the subtle aroma of Tieguanyin.

Next is the preheating of teaware. While this step is optional, it is extremely important for maintaining a stable water temperature. Preheating is not just for cleaning but also to prevent the high-temperature water from rapidly cooling when it comes into contact with a cold teapot or teacup. You can evenly pour freshly boiled hot water over the inside and outside of the teapot, fairness pitcher, and teacups to warm up the entire set of teaware in advance to a suitable temperature range for brewing oolong tea—typically recommended to be maintained between 90 to 95 degrees Celsius.

The amount of tea leaves used is the first key factor affecting the strength of the tea liquor. Generally speaking, if using pellet-shaped oolong tea leaves, one and a half teaspoons (about 3 grams) is the most common starting amount; if using strip-shaped tea leaves, one tablespoon is also about 3 grams. It is recommended to adjust the amount of tea leaves gradually based on personal taste. Tea lovers who prefer a stronger brew can increase to 4 to 5 grams, while those who prefer a lighter brew can reduce to 2 to 3 grams. This flexible adjustment helps you find the balance that best suits your palate.

Controlling the water temperature for pouring is crucial. Oolong tea, especially Tieguanyin, must not be brewed directly with boiling 100°C water, as the high temperature can easily “scald” the tea leaves, leading to aroma loss and a bitter taste. In practice, it is recommended to let the boiled water sit and cool slightly: for oolong tea, wait about 2 minutes to let the temperature naturally drop to 90 to 95°C, which is ideal. You can also use a professional teapot thermometer for precise control or judge the water temperature by observing the density of steam coming from the kettle spout.

Mastering the steeping time is the second key to controlling the strength and bitterness of the tea liquor. It is recommended to use a timer or count seconds mentally to keep the steeping time for each infusion between 10 to 15 seconds. This range allows the tea leaves to fully unfurl while avoiding excessive tannin release that leads to astringency. If you find the tea liquor too light, you may slightly extend the time to 20 seconds; if a noticeable bitterness appears, it is recommended to shorten the time or reduce the amount of tea leaves.

There is also an art to pouring out the tea liquor. If you plan to pour the tea into multiple cups at once, it is recommended to first collect the tea liquor into a fairness pitcher (also called a gongdao bei), ensuring consistent strength across all cups and preventing the tea leaves from being steeped in the teapot for too long, which could result in overly strong or off-flavored subsequent infusions. Using a fairness pitcher is an important part of the gongfu tea process to maintain fairness and stability in flavor.

Finally, there is the drinking and continuous brewing phase. Tieguanyin has good endurance for brewing and can typically be infused 6 to 8 times or even more. Between each infusion, the aroma and taste of the tea liquor will gradually transform—from the fresh floral notes of the first infusion, to the fruity and sweet nuances of the middle infusions, to the rich throat sensation of the later ones—all of which are part of the pleasure of tea tasting. Even with the same tea leaves, careful handling through the gongfu tea method can reveal rich layers of flavor. For those seeking the ultimate experience, consider recording the parameters and sensations of each infusion and gradually adjusting to find your own golden ratio.

The above content is compiled by CoffeeHunters, a coffee news website.

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