Green tea: China vs. Korea vs. Japan

So why would you choose a certain country’s tea over another’s?  It’s true that even though China has a rich variety of green teas, Japan’s and Korea’s greens are different, but why?

Korea’s and Japan’s tea plants are of the same subspecies as China’s, seeing that it spread from China to both of those countries.  They are all Camellia Sinensis Sinensis but certainly their varietals, like in grapes, are different.  However the buck doesn’t stop there!

Let’s not forget that weather, altitude, in this case, propagation, and, of course, the most important… processing of the leaves, all play factors in how the final product turns out.

The latitude of China is most certainly the lowest of both Japan and of course Korea (the most northern place that grows tea)¹. Korea is so north and it’s weather so cold that only the southern tip of South Korea is able to grow tea.  Comparing the latitude of Korea’s northern most growing area to that of the US, it lines up with just about good ‘ole St. Louis!

Both China and Japan have abandoned the use of tea plants grown from seeds in order to “control” the taste of the tea through propagation.  Korea however has kept with the tradition and for the most elite teas they forage from tea plants that grow in the wild!  A more popular and certainly more productive method of picking leaves in Korea is by uprooting wild tea plants and replanting them in a farm.  Of course propagation is also used to make the lesser quality teas in Korea.

Now to the major part, the processing of the leaves:

China still uses traditional methods of heating and pressing/rolling leaves on a huge wok.  However China has needed to up its production due to demand and has moved on to more modern techniques, for example using ovens to dry the leaves.

Japan’s preferred way to process leaves is by steaming the leaves as quickly as possible to keep the fresh taste.  This leads to a much different taste than any other green teas.  Although steaming is also used in China, Japanese teas are most known for the process.

Korea, having just revamped their tea production after the Korean War, has tried hard to keep to traditional methods, and have been very successful at it.  This, however, limits the amount of tea they can produce and makes their tea generally more expensive.  Pan firing is the most dominant technique much like traditional Chinese methods.  Perhaps what gives Korean teas their distinctive tastes and aroma has more to do about the weather.

Plainly speaking, the processing has the most the most influence on how teas taste, but many factors go into the final taste of the cup you drink, including how you brew it.

¹: Since mid-2010 a small tea plantation in Burlington Washington State has begun to sell tea, which would make it the most northern plantation.