PROBLEM TO BE SOLVED: To provide a decorative planting device which secures favorable air permeation for a building base part so as not to transfer moist air to the building base side and the planting surface of which can be placed near a base window.SOLUTION: The decorative planting device (A) is set at an exterior position so as to be appreciated through the base window Bd from the interior side thereof, and is provided with a stand part 10 formed into a cylindrical state so as to be charged with culture soil 40, and a base plate 20 having a larger area than that of the cylindrical opening end surface placed on the cylindrical opening end 11a of the stand part 10, wherein the base plate 20 is provided with holes 21 communicating with the cylindrical part of the stand part 10, and the base plate 20 is provided with a horizontal upper surface part 24, and the horizontal upper surface part 24 of the base plate 20 is mounted on a place having an almost similar height to that of a bottom surface Be at the interior side.COPYRIGHT: (C)2008,JPO&INPIT【課題】建物基礎部分に良好な通気性を確保し、建物基礎側に湿り気を移すこと無く、その植栽面を地窓に近接して設け得る装飾用植栽装置の提供。【解決手段】屋内側から地窓Bdを介して観賞しうる屋外位置に設置される装飾用植栽装置Aであって、この装飾用植栽装置Aが、培土40を充填し得るように筒状に構成された台部10と、台部10の筒状開口端11a上に載せ置かれた該筒状開口端面よりも大きい面積のベースプレート20とを備えており、ベースプレート20に前記台部10の筒状内に連通する穴21が設けてあり、かつ、該ベースプレート20が水平な上面部24’を備えており、このベースプレート20の水平な上面部24’が屋内側の床面Be’とほぼ同一の高さ位置に設けてある。【選択図】図2