2. Because pine trees are the length of a hundred trees, they often represent eternity, and are generally planted in front of graves, which has eternal significance. If you plant pine trees in the family yard, it will look gloomy and have a bad meaning. However, there is also a saying that pine is an auspicious tree species, rich in life, developed in transportation, town house, and its shape is also very unique and beautiful, which is very suitable for being placed as a bonsai plant at home, depending on personal preferences.