A root expansion basket comprises a first basket body defined therein a first receiving space. The first basket body has a circumference and a bottom that are each provided with a plurality of reinforcement elements interlaced with each other. A plurality of detachable wall boards are respectively arranged in between the first reinforcement elements. The bottom of the first basket body is provided with a plurality of first drainage holes. In the first receiving space, there is provided filling soil for cultivation of at least one plant.一種擴根籃,其包括:一第一籃體,其內部具有一第一容置空間,該第一籃體的周緣及底面分別設有複數交錯的第一強化元件,各該第一強化元件之間具有複數可拆式的第一牆板體,該第一籃體的底部設有複數第一排水孔,該第一容置空間內提供填充土壤,藉此種植至少一植物。1‧‧‧擴根籃10‧‧‧第一籃體11‧‧‧第一容置空間12‧‧‧第一排水孔13‧‧‧第一牆板體17‧‧‧開口20‧‧‧輪子
