Tree tattoos are not a new phenomenon and they carry with them the theme of new life after a season of barrenness and desolation. In life events, the design could be symbolic of rejuvenation after periods of being discouraged and beaten by life. Whenever you look at it, it will remind you that good things are yet to come.
In different cultures, the tree has varied importance. In Asia for example, the tree tattoo would signify one's personal desire for actualization and achievement. In Scandinavia, it is a representation of the center of both the visible and invisible worlds. According to the Celtic beliefs, it shows the connection between the humans and the plants.
However, just like some earrings or necklaces have no symbolic attachment to the owners, a tree tattoo is sometimes made just for the sake of its beauty or for its aesthetic value. It becomes a design that is just picked on by chance, just like you would pick on a star or anything else on the face of the universe. If you look through the Internet, you are bound to learn more about these artistic designs and you will be able make an informed choice when going for one.