PROBLEM TO BE SOLVED: To provide an assembling method of planting objects to a planting louver used for greening a building or the like, and a greening structure.SOLUTION: A planting louver 2 having a cylindrical body 2A comprises an internal space for planting 1, in which the body 2A is provided with: a first opening 1a which is arranged in its peripheral side part and exposes at least a part of a planting object 30 to the outside; and a second opening 1b for planting work which is arranged at a position different from the first opening 1a.SELECTED DRAWING: Figure 10
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