Sea of Green SOG or Sea of Green is a marijuana growing technique used to take advantage of all the available growing space. Basically, we only need to completely cover the whole space with relatively small pots, as many as needed. The number of pots used will depend on both the size of the pots and the available space. For our example, we will use a 1m2 growing tent and tell you a few tips that everyone should remember in order to achieve a successful SOG crop.