pictures under snow from this January).
The farmer expects that they will only start to harvest at the end of March/early April, because this winter has been pretty cool in Taiwan. And they'll probablystart at this spot, the first where fresh leaves are growing.
The second pitfall is a misunderstanding about what you can learn on a tea plantation. There's lot one can learn there, but brewing technique is probably very last on the list. (And if you are selecting teas, you should brewing competition style anyway) If you want to learn how to cook a steak, you don't go to a ranch/farm, but you learn from a chef, a cook, don't you?