PROBLEM TO BE SOLVED: To provide a plant growing device capable of facilitating the work of transplanting a plant after germinating the plant.SOLUTION: There is provided a plant growing device for growing a plant which produces a plurality of shoots and a plurality of roots 102 from a single nutrition body 100, the plant growing device comprising: a container part 1 cross-sectionally tapering off toward the bottom a holding part 1a provided on the inner wall of the container part 1 so as to hold the nutrition body 100 and opening parts 1b, 1c provided in at least one of the upper and lower sides of the container part 1.COPYRIGHT: (C)2015,JPO&INPIT【課題】植物体を発芽させた後に移植する作業を容易にすることができる植物育成装置を提供する。【解決手段】単一の栄養体100から複数の芽及び複数の根102を出す植物を育成する植物育成装置であって、断面が上方から下方に向かうに従い小さくなる形状の容器部1と、容器部1の内壁に設けられ、栄養体100を保持する保持部1aと、容器部1の上面側と下面側の少なくとも一方に設けられた開口部1b、1cとを備える。【選択図】図1