Sikknoll, LOL dude where do you get you info from tissue culture is like a seed its planted then it grows when its big enough its sold the same way the other plants are. They spend a around a week in a clean environment then they are sprouted and grown in a regular greenhouse to term. Dude I really think you are mixing up your info from too many sources.
Here is some info from the guys that really know.
Plant Tissue Culture