Hydroponic gardening is the method of growing plants without soil. Mineral solutions in the water replace the need for the nutrients that soil typically provides. Almost any type of plant can be grown using hydroponics. But why use hydroponic techniques? Hydroponic gardening gives people the opportunity to grow food and other crops in places with inadequate soil (spaceships, anyone?). These gardens are also great for apartments with no yard space, or areas where soil has been destroyed. To keep up to date with new hydroponic innovations, make sure to check out Inhabitat.