A planting tray comprising at least two mutually removable disc members, each disc member having an inner end portion, an outer end portion opposite to the inner end portion, a connecting end portion and the outer end portion a first side portion between the portions, a first joint portion disposed on the first side portion, a second side portion opposite to the first side portion around the axis, and a second side portion disposed on the second side portion a second joint portion, and a top surface defined by the inner end portion, the outer end portion, the first side portion and the second side portion, the top surface is tapered, and the outer end portion is formed by the outer end portion The inner joint portion is gradually inclined downwardly, and the first joint portion and the second joint portion are mutually engageable with each other, and the adjacent two disc members are assembled to each other. The use of the planting tray can produce water collection and can block the growth of weeds.一種植栽盤，包含至少二可互相拆裝的盤件，每一個盤件各具有一內端部、一相反於該內端部的外端部、一連接於該內端部與該外端部之間的第一側部、一設置於該第一側部的第一結合部、一圍繞該軸線相反於該第一側部的第二側部、一設置於該第二側部的第二結合部，以及一由該內端部、該外端部、該第一側部與該第二側部共同界定而成的頂面，該頂面呈錐面狀，且由該外端部朝該內端部逐漸向下偏斜延伸，該第一結合部與該第二結合部可互相嵌卡，且使相鄰二盤件互相組接。利用該植栽盤可產生收集水份，且可阻擋雜草生長的效果。
