Provided is a plant cultivation apparatus that can be easily and economically installed and easily maintained. The plant cultivation apparatus comprises a cultivation box, said cultivation box having a hollow root-surrounding part, in which the roots of a plant under cultivation hang down, and being configured by detachably combining an upper panel with a lower panel, wherein: a drainpipe-shaped gutter is detachably attached to the lower part of the bottom wall of the lower panel, said bottom wall being provided with a waste liquid port, over the full length in the longitudinal direction； nozzle-mounting holes are formed at intervals in the longitudinal direction of the upper panel； nutrient solution-spray nozzles are inserted respectively into the nozzle-mounting holes and hung in the root-surrounding part； a hole for planting the plant under cultivation is formed in the upper panel； the roots of the plant under cultivation are inserted into the planting hole and thus hung in the root-surrounding part； and a nutrient solution is sprayed from the nozzles.提供一種可簡單且便宜地設置，且也可容易維修的植物栽培裝置。構成為：將上側板件與下側板件自由裝卸地組合而構成使栽培植物的根垂下之中空的根圏部的栽培箱，並且涵蓋長度方向全長，將槽狀的排水溝自由裝卸地安裝於該下側板件之設有廢液口之底壁的下部，前述上側板件於長度方向上隔有間隔來具備噴嘴裝設孔，且將養液噴霧用的噴嘴插入各噴嘴裝設孔而懸吊於前述根圏部，並且該上側板件具備栽培植物的種植孔，將栽培植物的根插入該種植孔而懸吊於前述根圏部，從前述噴嘴將養液噴霧。
