PROBLEM TO BE SOLVED: To significantly save the time and effort for maintenance in the greening of the surfaces of a building including a wall surface, a window surface, and an opening.SOLUTION: A planter for greening comprises a first case that stores a planting substrate and has multiple apertures, and a second case that has an opening allowing a plant growing on the planting substrate of the first case to face outwards with the first case being stored therein and forms a space with the first case with the first case being stored therein.
