For tea producers in Japan, new harvest season after the winter starts from the end of April. Now, farmers are waiting for their tea leaves get matured enough; once the leaves get matured, the harvest starts. They wake up 4 o'clock everyday and work until late night. The reason they have to work such a long time is because they have to finish the harvest before the leaves get hardened. Also in Japan, consumers' demand for Shin-cha (new harvest tea) is very high, and it makes the tea producers much busier.
Even if I have to work like crazy, I like this season. My town is enveloped in the flavor of steaming tea leaves (because in Shizuoka prefecture, there are thousands of tea farmers, and they start the harvest at the same time). Flavor of tea leaves give me energy and let me relax after the work. If you have chance, I recommend to visit there during the season.