A modular planting container is disclosed, which at least comprises a square frame plate, or further comprises at least one single-sided square back plate and at least one double-sided square back plate, and a medium utilized for fixing a plant capable being stuffed into a surrounded type conformation of the square frame plate. A square frame of the square frame plate can be served as a passage for plant growth. In use, the square frame plate can be independently attached on a structure body such as a wall of a building, moreover the paired square frame plates can be oppositely assembled, or cooperated with the single-sided square back plate or with the double-sided square back plate, thus to form a single-sided or double-sided planting container body, in addition, a mutually-pieced independent vegetation wall can be paired and assembled. Accordingly, the disclosed modular planting container can be comparatively suitable for requirements of usage varieties.本發明之模組式植栽容器,係至少具有一方形框板,或進一步具有至少一單面方形背板、至少一雙面方形背板,可在方形框板之包圍狀構形內填塞用以固定植物的介質,由方形框板之方框做為植物生長的通道,可透過將方形框板單獨附加於建築物之牆面等結構體上使用,亦可進一步將方形框板兩兩相對,或配合加入單面方形背板、雙面方形背板的方式組合成單面或兩面的植栽容器形體,甚至可在進一步相互拼靠的獨立的植生牆。俾可滿足較多使用變化需求30‧‧‧方形框板31‧‧‧第一短牆311‧‧‧穿孔32‧‧‧方框331‧‧‧第一橫向接合部332‧‧‧第二橫向接合部341‧‧‧第一直向接合部342‧‧‧第二直向接合部351‧‧‧第一縱向接合部352‧‧‧第二縱向接合部40‧‧‧單面方形背板41‧‧‧第二短牆411‧‧‧穿孔42‧‧‧第一方形板體431‧‧‧第三橫向接合部432‧‧‧第四橫向接合部441‧‧‧第三直向接合部442‧‧‧第四直向接合部451‧‧‧第三縱向接合部452‧‧‧第四縱向接合部461‧‧‧第五縱向接合部462‧‧‧第六縱向接合部50‧‧‧雙面方形背板51‧‧‧第三短牆511‧‧‧穿孔52‧‧‧第二方形板體531‧‧‧第五橫向接合部532‧‧‧第六橫向接合部541‧‧‧第五直向接合部542‧‧‧第六直向接合部551‧‧‧第七縱向接合部552‧‧‧第八縱向接合部