To provide a raising container for easily filling culture soil for efficiently producing a large amount of rooted seedlings of tree requiring a long term (for example, 8 months to 24 months) for seedling raising and allowing long term seedling raising.SOLUTION: There is provided a raising container which is a raising pot including a pulp and woody fiber, a ratio of weight of the woody fiber to a total weight of the pulp and the woody fiber is 50% or less.SELECTED DRAWING: None【課題】植物の苗、とくに育苗に長期間(例えば8ヶ月~24ヶ月)を要する樹木の挿し木苗を大量にかつ効率的に生産するために、機械化に馴染み培土の充填しやすく、かつ長期間の育苗を可能にする育成用容器の提供。【解決手段】パルプ及び木質繊維を含む育成用ポットであって、パルプと木質繊維の総重量に対する木質繊維の重量の割合が50%以下である育成用容器。【選択図】なし