For the supply of [problem] moisture, only the root can be immersed in water, in order to prevent soil bacteria breeding, not the soil with the support of foliage plants, providing a flower pot for houseplants . Even the A flowerpot 1 put in the interior of the cup 2, flowerpot 1 is fixed at the top, is placed in the middle of the cup 2, and the lower bottom of the plant pot 1, even when supplemented with water to the cup 2, make the interval at which the surface of the water does not touch the top. A lower bottom and lower sides of the plant pot 1 is open the lattice roots can pass through. The inside of the flower pot 1 is put like pebbles, and the support of the foliage plant 3. .FIELD 1【課題】水分の補給の為に、根だけを水に浸すことができ、土中の細菌繁殖を防ぐ為に、土を観葉植物の支持体としない、観葉植物用植木鉢を提供する。【解決手段】植木鉢1をコップ2の内部に入れても、植木鉢1は上部で固定され、コップ2内の中間に置かれ、植木鉢1の下部底面と、コップ2に水を補給した時でも、水面上部が触れない間隔を作る。植木鉢1の下部底面と下部側面は根が通過できる格子を開ける。植木鉢1の内部は小石などを入れて、観葉植物3の支持体とする。【選択図】図1