Growing plants using the hydroponic method has existed for several millennia. More about here Lucie Novák Blog. Many have heard of the legendary Hanging Gardens of Babylon, as well as the people of Peru and Myanmar, who grew their “floating” gardens on the surface of high mountain lakes. The essence of the hydroponic growing method is quite simple – the plant roots are in a constant flow of nutrient solution. Today we will analyze the main pros and cons of this type of plant cultivation.