An object of the present invention is to measure the water content in soil such as a flowerpot according to the depth and to provide a water level indicator based on the change in the illumination according to the dry depth. A plurality of moisture meters 1 in the lower portion and a plurality of lights 2 in the upper portion are provided. [Selected figure] Figure 1【課題】植木鉢などの土の中の水分を深さ別に計測して、乾いている深さに応じて点灯する照明が変わる深さ別水やり目安計を提供する。【解決手段】下部の複数の水分計1と上部の複数の照明2で構成した。【選択図】図1