The most popular green tea in China is undoubtedly Longjing tea, also known as Dragon Well tea. Longjing tea is highly regarded for its exceptional quality, unique flavor, and rich cultural heritage. It is grown in the West Lake region of Hangzhou in Zhejiang province, which is considered the birthplace of Longjing tea.

Longjing tea is known for its flat, slender, and uniform leaves that have a vibrant green color. The tea leaves are hand-picked in early spring when they are young and tender, which contributes to the tea's delicate and refreshing taste. The flavor profile of Longjing tea is often described as a combination of chestnut, vegetal notes, and a hint of sweetness.

Apart from Longjing tea, other popular green teas in China include:

1. Biluochun: Grown in Suzhou, Jiangsu province, Biluochun is known for its curly, spiral-shaped leaves and a fresh, fruity aroma. It has a delicate and mellow flavor with hints of floral and grassy notes.

2. Huangshan Maofeng: Produced in the Huangshan Mountains of Anhui province, Huangshan Maofeng is characterized by its long, slender leaves with white downy hair. It has a subtle, sweet taste and a pleasant floral aroma.

3. Xinyang Maojian: Grown in Xinyang, Henan province, Xinyang Maojian features small, tightly rolled leaves. It has a strong and robust flavor with a slightly smoky undertone.

4. Lu'an Melon Seed: Originating from Lu'an, Anhui province, Lu'an Melon Seed tea is named after its small, flat, and oval-shaped leaves that resemble melon seeds. It has a smooth and slightly sweet taste.

These are just a few examples of the wide variety of green teas available in China. Each tea has its own unique characteristics and flavor profiles, making it worth exploring and experiencing the diverse world of China green tea.