The increasing demand for efficient and sustainable water resource management in agriculture has led to the emergence of innovative technologies such as the HydroGuard: Automated Plant Care with Intelligent Watering System using the Internet of Things (IoT). This report presents a comprehensive exploration of the design, development, and implementation of a HydroGuard: Automated Plant Care with Intelligent Watering System that harnesses IoT capabilities to optimize irrigation practices. By integrating sensors, actuators, and a central control unit, the system enables real-time monitoring of soil moisture levels, weather conditions, and plant requirements. Leveraging IoT connectivity, data is transmitted and processed to make informed decisions on irrigation scheduling and water distribution. The result is a highly efficient and water-conserving solution that not only enhances crop yield and quality but also contributes to sustainable agriculture practices. This report delves into the technical aspects, benefits, challenges, and potential future developments of HydroGuard: Automated Plant Care with Intelligent Watering Systems, highlighting their role in revolutionizing traditional farming methods and ensuring a more resilient and environmentally conscious approach to food production. Key Words: IoT, Sensor, Irrigation, Automatic, Intelligent, Watering