PLANTS Plants — wonderful creations of sun, water and earth (earth is missing in the hydroponic method of cultivation), existing in hundreds of thousands of options. And scientifically speaking, is a multicellular organisms that produce food from sunlight and inorganic matter by photosynthesis and composed of cells with dense shell containing cellulose. Most plants are edible, but not all. In this Chapter it is told about poisonous plants, and in particular, about how to handle certain types of plant foods to eliminate (or at least significant reduction) of the danger of poisoning or in what quantities they can consume without fear for their health.