A plant growing system includes a growth medium preparation unit and a plant growing unit. The growth medium preparation unit includes a supply of water that feeds water through a water treatment unit, a nutrition module, and a reactor sub-system to have the water treated and modified and added with nano-elements and other nutrition components to provide a nutrition formula. The nutrition formula is supplied to the plant growing unit that includes a growing box inside which a tank is provided for receiving and holding the nutrition formula. A plant plate is disposed on the tank and is formed with at least one through opening for receiving and holding a plant. The root of plant is allowed to extend into the nutrition formula inside the tank, while the stein of the plant is growing in a void space above the plant plate and inside the growing box.
