PROBLEM TO BE SOLVED: To provide a wall surface greening system conducting stable and automatic water supply while utilizing rainwater.SOLUTION: The wall surface greening system comprises a panel 1 attachable to a wall surface, a water supply path 3 which is attached to the panel 1, on which a plurality of planters 2 can be set up, and through which plants P in the planters 2 can be supplied with water, rainwater tanks 4 reserving rainwater, and a circulation water-circulating mechanism 5 connected to the rainwater tank 4 and a tap water source to supply the rainwater or the tap water to the water supply path 3 as the circulation water wherein the circulation water-circulating mechanism 5 is provided with a circulation water-controlling part 8 making control for supplying the rainwater when the amount of the reserved rainwater exceeds the prescribed amount and supplying the tap water when the amount of rainwater reduces under the prescribed amount.COPYRIGHT: (C)2009,JPO&INPIT【課題】 壁面緑化システムにおいて、雨水を利用しつつ安定して自動的に灌水を行うこと。【解決手段】 壁面に取り付け可能なパネル1と、該パネル1に取り付けられ複数のプランター2を設置可能であると共に該プランター2内の植物Pに灌水可能な灌水路3と、雨水が貯留される雨水タンク4と、該雨水タンク4及び上水源に接続され灌水路3に雨水又は上水を循環水として供給する循環水循環機構5と、を備え、該循環水循環機構5が、貯留された雨水量が所定量より多い場合に雨水を供給すると共に、雨水量が所定量以下の場合に上水を供給する制御を行う循環水制御部8を備えている。【選択図】 図1
