PROBLEM TO BE SOLVED: To provide a plant cultivation device which can increase efficiency of work, such as planting seeds, transplantation, and the like.SOLUTION: The plant cultivation device comprises: a seeding tray 1, where arranged are plurality of cultivation sponges 3 each having a recess 3a, to which a cut 3b is made, for putting in a seed S and seed planting tool 11, which is to be set on the seeding tray 1, and has protrusions 13 on its undersurface for pushing the seeds S into the cuts 3b of the cultivation sponges 3.COPYRIGHT: (C)2015,JPO&INPIT【課題】種まき、植え替えなどの作業効率を高くすることができる植物栽培装置を提供する。【解決手段】種Sを置く窪み3aに切り込み3bが入っている複数の栽培用スポンジ3が配置される播種用トレイ1と、播種用トレイ1の上に配置され、栽培用スポンジ3の切り込み3bに前記種Sを押し込む突起13を下面に有する種植え込み器具11と、を含む。【選択図】図4