A planting wall is used for planting hydroponics and comprises the following elements: a support frame, at least a container, a recycling tank, a filtering device and an inlet pipe.The container is carried on one side of the support frame, and each container has an internal space and a side opening opened on its side and communicated with the internal space.The recovery tank is arranged under the support frame to collect the culture liquid flowing from the inner space of the container through the opening on the side of the container.The filter device is connected with the recovery tank to filter the culture liquid collected by the recovery tank.The introduction tube connects the filter device at the first end and faces the inner space of the container with the other end, so that the culture fluid filtered by the filter device returns to the inner space of the container.一種植栽牆，是用於栽種水耕植物且含有下列元件：一支撐架、至少一容器、一回收槽、一過濾裝置及一導入管。容器是承載於支撐架的一面，且每一容器具有一內部空間及一開設於其側部並連通內部空間的側開口。回收槽是設置於支撐架的下方，用以收集自容器內部空間經容器側開口流出的培養液。過濾裝置是連通回收槽，用以過濾回收槽收集的培養液。導入管是以ㄧ端連通過濾裝置，以另端朝向容器內部空間，用以使過濾裝置過濾的培養液回到容器內部空間。
