PROBLEM TO BE SOLVED: To provide a curing substrate which simply creates surface having load resistance at a construction site, such as field, road and building structure and being suitable for fixation and curing for sphagnum moss or greening plant.SOLUTION: There is provided a curing substrate in which: a planar member is defined as 1 unit; growth sphagnum moss 11 is planted on flat structure in which 2 units or more member stands independently or in a crossing manner, and being covered by cover net 9-1; an absorber 10 which transports water stored in bottom part of a water tank 7 to the net 9-1 is placed; and region on which plant is planted is to be a curing floor net 12 for curing sphagnum moss and the other plants.SELECTED DRAWING: Figure 5【課題】土地、道路、建設構造物等の施工現場で簡易に耐荷性のある面をつくりだし、ミズゴケあるいは緑化植物体の定着・養生に適した植生基盤を提供する。【解決手段】平面状の部材を1単位とし、2単位以上の部材を立て、独立あるいは交差させてなる平面立て構造体上に生長ミズゴケ11を置床し被覆網状体9-1で被覆し、水溜め体7の底部にある水を網状体9-1まで移動させる浸潤体10を設置し、植物を置床した領域がミズゴケ及びその他植物養生のための養生床網12となる植生基盤。【選択図】図5