PROBLEM TO BE SOLVED: To provide a cultivation device facilitating cleaning of a drainage pipe, and further securely growing plants. SOLUTION: This cultivation device includes a cultivation tank which has a storage chamber to store a culture medium for culturing perennial liana plants, a supply port to supply culture solution for culturing the perennial liana plants, a drain outlet to discharge surplus culture solution after flowing on the culture medium, and a cleaning port, and also includes a drainage pipe which has a punched hole into which surplus culture solution flows, on the side surface, and is arranged to pass the vicinity of a bottom in the storage chamber in a condition of projecting an opening end on the upstream side from the cleaning port so as to flow surplus culture solution after flowing in from the punched hole toward the drain outlet, and a cleaning cover which is detachably attached to the opening end of the upstream side. COPYRIGHT: (C)2011,JPO&INPIT
