<;P>;PROBLEM TO BE SOLVED: To provide a planting apparatus to be formed on a groundwork such as a rooftop, quickly fixing roots in transplantation of plants to be planted, especially for instance, lawn through appropriate water retention and water supply, addressing the proper growth of lawn and the blowing of wind on an elevated place, and efficiently constructing a planting layer made of soil with an accurate thickness. <;P>;SOLUTION: This planting apparatus for plants is set on a rooftop or a roof of a building. The planting apparatus includes a waterproof layer set on a rooftop or a roof groundwork, a root guard stretched tightly on the waterproof layer in order to prevent the hair roots of plants from extending into the outside of the apparatus, a water storage means stretched tightly on the root guard, a water retention and supply means set on the water storage means and for supplying water, while retaining rainwater infiltrating from an upper side, to the water storage means, or supplying water from the water storage means to the roots of plants, and an added fertile soil layer constructed on the water retention and supply means. <;P>;COPYRIGHT: (C)2010,JPO&INPIT