Plants are the most essential factors for all the living creatures on the earth. It is very much important to focus on the cultivation of crops and plants. The growth of the plants is affected by the environment like temperature, water, humidity, fertilizers, and so on. Especially water affects the growth of the plant is a vital way. If the plants get water less than the ideal, it will affect the growth of the plant; or if the level of water increases, it will cause fungi and damage plants. This research work aims to provide an IoT-based solution to monitor the humidity level of the plant and irrigate accordingly. IoT based tool has been developed which can be controlled through a mobile app. The proposed application will help reduce the wastage of water and water the plant when needed.