Plants watering system is a simple and easy to use plant watering system. As we can see, nowadays people do not get engaged to the plants due to the lack of time, and they find it difficult to handle and water their plant time to time. Thus, this will result bad impact for our nature in future. This system is ideal for monitoring the water level of an urban garden or our pet plant. It will detect the moisture of the soil, the temperature of surrounding and alert the owner about the condition of their plants. With the help of this system, it will help the owner for watering the plants. Therefore, the proposed this system to help and encourage people to take care of their plant easily. With the help of moisture sensor it will give water automatically to plant. This system will inspire, engage and support people to take their personal responsibility of taking care the environment and making it fun and sustainable. It is a great innovation as the plant and the owner. This project will be implementing using ATMEGA328P-PU by using C programming language.