Cannabis seed strains possess varying characteristics.Pure Power Plant Marijuana is a cannabis hybrid that is one of the up and coming cannabis favorites. It contains a high concentration of THC, and it can be cultivated outdoors, under the sun. It is a very high plant that has a flowering period of between 55 and 65 days. Once harvest time arrives, expect to generate between 700 and 800 grams per sq meter of yield. Master Kush is another high yield cannabis strainMaster Kush is another high ...