<；P>；PROBLEM TO BE SOLVED: To provide a greening apparatus and a greening method each enabling greening without being limited by various facilities set on a rooftop, facilitating management of watering and fertilizing vegetation without narrowing a space of a rooftop, and free from a risk of water leak inside a house through watering. <；P>；SOLUTION: This rooftop greening method includes setting up a plurality of props 1 on a rooftop of a building, bridging a plurality of frame timbers 2 between the props, and growing vegetation 3 thick with the frame timbers 2 as supporting members. At least one of the frame timbers 2 has a tube body 20 in which an opening is notched along a long axial line on the upper surface, and a root part holding material as a vegetation cultivation land is held inside the tube body 20 so as to grow the vegetation thick from the root part holding material. <；P>；COPYRIGHT: (C)2010,JPO&INPIT
