A plant water supply device；It is arranged on the top side of one planting wall for multiple planting.Including a plurality of water injection pipes,The side pipe walls are respectively planted with a plurality of water injection holes for water supply and flow irrigation.A plurality of first multidirectional nozzles are respectively provided with three first ports.Two of the first ports are respectively sleeved at one end of the different water injection pipes.The other first port is used for injecting an additive.A plurality of second multidirectional nozzles are respectively provided with three second ports.Two of the second ports are respectively sleeved with openings at the other ends of different water injection pipes.A plurality of precipitation pipes are respectively connected to another second port.The vertical water injection pipe of each sedimentation pipe is provided with a drain switch.Impurities flowing through the water injection pipe are retained in the sedimentation pipe by gravity.And discharge the accumulated impurities through the drain switch.The utility model can effectively filter the impurities in the water and maintain and treat the potted plants in a regional way.一種植栽給水裝置，設置於一植栽牆頂側供以澆溉複數個植栽，包括複數個注水管，其側邊管壁分別對應植栽設有複數個注水孔以供水流澆溉，複數個第一多向接管分設有三個第一端口，其中二該第一端口分別套設於相異之注水管之一端開口，另一該第一端口則供以注入一添加劑，複數個第二多向接管分設有三個第二端口，其中二該第二端口分別套設於相異之注水管之另端開口，複數個沉澱接管分別連接設於另一第二端口，且每一沉澱接管垂直注水管設置並設有一排污開關，流經注水管內之雜質受重力作用留置於沉澱接管內，並透過排污開關以將堆積之雜質排出，藉此有效過濾水中雜質並可區域性維護與治療各盆栽。
