PROBLEM TO BE SOLVED: To solve problems wherein, when an amateur grows plants such as vegetables in a pot or a planter, daily maintenance such as periodical watering, fertilizer spraying, exterminating harmful insects, and warmth keeping in cold season is troublesome, successful cultivation is difficult, and further various ideas are needed for effectively using space while considering average sunshine in growing the plants in a small space such as a city dwelling house or the like.SOLUTION: A water level controllable water keeping tray 4 is provided at each stage in a vertical multi-stage three-dimensional structure frame 1 surrounded by a transparent top plate 3 and a transparent side cover 2. Water and liquid fertilizer are periodically circulated and supplied from the water keeping tray 4 at the uppermost stage to the lower stages by a water storage tank 5 installed at the base using a circulating pump 6 driven by electric power generated by a solar panel 11.COPYRIGHT: (C)2012,JPO&INPIT【課題】 素人が野菜等の植物栽培を鉢やプランターで行う場合、定期的な水遣りや肥料散布、病害虫の駆除、寒冷時の保温などの日々の維持管理が面倒であり、上手く栽培することは難しい。また、都市住宅等の僅かなスペースでの植物栽培は、平均的な日当たりを配慮しながらスペースを有効活用するために様々な工夫が必要である。【解決手段】 透明天板3と透明側面カバー2で囲まれた縦型多段立体型の構造フレーム1内の各段に水位調節可能な保水トレー4を設ける。ソーラパネル11で発電した電力で駆動する循環ポンプ6にて、底面に設置した貯水タンク5より、最上段の保水トレー4から下位段に水や養液を定期的に循環供給する。【選択図】図1