Vaastu Shastra plays very important role in construction of building, planning a city or town, construction of temple etc. And in Vaastu Shastra there is a very important concept, i.e. Navagraha Vatika or Garden.
Navgrah Vatika means garden of 9 planets represented by the plants or trees or bushes or grasses which have the forces of 9 planets. These plants and trees of 9 planets are planted in a particular direction to get the benefit of 9 planets and then it is called the Navagrah Vatika.