Longjing tea is actually not from Hangzhou. Many of these "inauthentic" longjing teas are produced in provinces such as Yunnan, Guizhou, Sichuan, and Guangdong. However credible sellers may sometimes provide anti-fake labels or openly state that the tea is not from Zhejiang. Experienced drinkers may be able to tell if Longjing is authentic by taste and smell. The aroma and flavors of the "inauthentic" Longjing teas are not as complex, or long-lasting as the authentic tea. These teas, although similar in appearance, are mild in flavor and aroma and do not have the long-lasting aftertaste of the original. Longjing has a signature
Biluochun it first among Chinese green tea. Longjing tea came second, Liu An Gua Pian came third. It is so delicate and tender that one kilogram of Dong Ting Bi Luo Chun consists of 14,000 to 15,000 tea shoots. Today, Biluochun is cultivated in Dongting, Jiangsu. Biluochun from Dong Shan (East Mountain) or Xi Shan (West Mountain) is considered the best. Bi Luo Chun tea is also grown in Zhejiang and Sichuan provinces. Their leaves are larger and less uniform (may contain yellow leaves). They taste more nutty than fruity and smooth. Biluochun is divided into seven grades in decreasing order