<;P>;PROBLEM TO BE SOLVED: To provide a wall greening planting system decreasing production cost by using a comparatively simple structure and enabling labor saving and automization of plant keeping and managing by cycling control and temperature management of watering, and to provide a planting device usable for the system. <;P>;SOLUTION: The wall greening planting system comprises planting devices 10 for parallelly setting flowerpots, a watering control part 20 for supplying water for watering, a fertilizer managing part 30 for supplying fertilizer and a root area condition control part 40 for controlling and managing water temperature and the like. Water in a watering tank 21 is supplied in the hollow part of a planting device 10 and, when a predetermined amount of water is accumulated, supplied to another planting device 10, and is returned to the watering tank 21 again to be recycled. On the watering tank 21, both of the fertilizer managing part 30 and a temperature managing part 42 are set so as to perform fertilizer supply and water temperature control and management. <;P>;COPYRIGHT: (C)2009,JPO&INPIT