PROBLEM TO BE SOLVED: To provide technology for securing air permeability and greening the lower part of a building.SOLUTION: This greening apparatus for greening the lower part of a building includes: a vegetation base that grows the plant a grid-like frame body or a flat plate-like frame body having a plurality of holes, which is filled with the vegetation base, and at least one of two or more sides of which serves as a vegetation surface for growing the plant and a mat including the vegetation base disposed inside the frame body and having air permeability, wherein the frame body has a recessed part for performing ventilation between the lower part of the building and the greening apparatus on the lower back of the building.COPYRIGHT: (C)2013,JPO&INPIT【課題】通気性を確保し、かつ、建物の下部を緑化する技術を提供する。【解決手段】建物の下部を緑化する緑化装置であって、植物を生育する植生基盤と、前記植生基盤が充填され、複数の面のうち少なくとも一つの面が植物を植生する植生面となる、格子状又は複数孔を有する平板状の枠体と、前記枠体の内側に配置された植生基盤を内包すると共に通気性を有するマットと、を備え、前記枠体は、前記建物の下部側の背面に、前記建物の下部と前記緑化装置との間を通気するための凹部を有する。【選択図】図1