Planta is a solution to passive plant care for short-term/ long-term holidays. The device includes a smart calibrator and energy-saving water tank. By collecting and analysing the data from soil, the health condition of the plant would constantly be monitored. At the same time, the water tank will also condense air moisture into water droplets, transferring water into plant root when necessary. Furthermore, the device can be connected via Bluetooth, enabling a simultaneous update for owner to check on their plant wherever and whenever. Planta does not only assist in automatic plant care, but also enhances the enjoyment in plantation process.