PROBLEM TO BE SOLVED: To facilitate work in adjusting the density of climbing plant planted by a wall surface greening apparatus and coping with a trouble of the planted climbing plant.SOLUTION: A wall surface greening apparatus includes: a cultivation tank 30 in which the root part of the climbing plant is stored in the tank, and a tank side liquid supply pipe for supplying a cultivation liquid to the stored root part and a tank side liquid discharge pipe for discharging the surplus cultivation liquid to the outside of the tank are disposed； shelf boards 11 where the cultivation tank 30 is placed, which are installed at a plurality of parts in the height direction； a shelf side liquid supply pipe removably connected to the tank side liquid supply pipe provided in the cultivation tank 30 placed on the shelf board 11； and a shelf side liquid discharge pipe removably connected to the tank side liquid discharge pipe, wherein the shelf side liquid supply pipe and the shelf side liquid discharge pipe are disposed in a part where the cultivation tank can be placed in the shelf boards 11.
