PROBLEM TO BE SOLVED: To provide an assistant member-attaching tool enabling the assistant member-attaching tool to be attached to a plate-shaped member for greening so as not to reduce the waterproof properties and the strength of the plate-shaped member for the greening.SOLUTION: The assistant member-attaching tool capable of being attached to a groove part between ribs formed on the outer surface of the plate-shaped member for the greening capable of forming a wall part or a roof, and for attaching an assistant member for growing a plant, allowing the vine of the plant growing along the outer surface of the plate-shaped member for the greening to coil around, includes a fixing part installed between the bottom face of the groove part and an engaging protruded part formed in the rib and attached to the groove part, and an attaching part bound with the fixing part and for attaching the assistant member for growing the plant.COPYRIGHT: (C)2013,JPO&INPIT【課題】 緑化用板状部材の防水性能や強度が低下しないように、補助部材取付具を緑化用板状部材に取り付けることができる補助部材取付具を提供すること。【解決手段】 壁部又は屋根を形成することができる緑化用板状部材の外表面に設けられたリブとリブとの間の溝部に装着して取り付けることができ、かつ、緑化用板状部材の外表面に沿って伸長する植物の蔓が巻き付くことができる植物伸長用補助部材を取り付けるための補助部材取付具において、溝部の底面とリブに設けられた係合凸部との間に装着されて溝部に取り付けられる固定部と、固定部と結合し、植物伸長用補助部材を取り付けるための取付部とを備える。【選択図】 図2