< Topic >Be able to enclose the many raising of seedling pot without alteration the size of the tray, enclosing job and the fetch are easy, the storage tray for the raising of seedling pot which at the same time can prevent the inversion of the raising of seedling pot is offered. SolutionsCartridge head 10 and rim section 20 and frame part 30 and the soft raising of seedling pot being enclosing possible, it possesses with the stowage S1, block into length and breadth direction multiple arranges the raising of seedling pot in length and breadth direction and the enclosing tray 1 for the raising of seedling pot which you enclose, stowage S1 at the position where it is lower than frame part 30, has the support component 40 which supports the edge strip section of the raising of seedling pot which is enclosed from length and breadth direction, support component 40, the distance which opposes to on the one hand direction vis-a-vis stowage S1, is smaller than other distance, at the same time adjoins to the direction of one sideCenter distance of cartridge head 10 of the stowage S1 which it does, it features that it is smaller than center distance of the base section of the raising of seedling pot in a state where the top of the edge strip section of the raising of seedling pot which it should enclose to the stowage is made to contact in natural state. < Choice figure >Drawing 1【課題】トレイのサイズを変更することなく多数の育苗ポットを収納でき、収納作業及び取り出しが容易で、かつ育苗ポットの転倒を防止できる育苗ポット用収容トレイを提供する。【解決手段】底部10と、外周部20と、枠部30と、軟質の育苗ポットを収納可能で縦横方向に区画される収納部S1とを有し、育苗ポットを縦横方向に複数個並べて収納する育苗ポット用収納トレイ1であって、収納部S1は、枠部30よりも低い位置で、収納される育苗ポットの側面部を縦横方向から支持する支持部材40を有し、支持部材40は、収納部S1に対して、一方の方向に対向する距離が、他方の距離よりも小さく、かつ一方の方向に隣接した収納部S1の底部10の中心間距離が、収納部に収納されるべき育苗ポットの側面部の上端同士を自然状態で接触させた状態における育苗ポットの底面部の中心間距離よりも小さいことを特徴とする。【選択図】図1