<;P>;PROBLEM TO BE SOLVED: To provide a greening device for a construction utilizing greening technology to facilitate maintenance of plants and the like and green the wall surface of the construction using various kinds of plants. <;P>;SOLUTION: The greening device for a construction includes a greening unit 12 for holding soil and plants, and a guide rail 11 placed on a wall surface 51 of a construction 50 and movably supporting the greening unit 12. This greening device 1 enables greening of an optional place on the wall surface 51 by moving the greening unit 12. The greening unit 12 is placed on the roof top of a construction or on the ground to facilitate maintenance such as watering to or trimming of plants in the greening unit 12. <;P>;COPYRIGHT: (C)2010,JPO&INPIT