Purple Kush is a strain of Cannabis intended for use as a psychoactive drug. It is primarily indica with hints of sativa, and is most commonly known for its purple bud. It grows between two – three feet in height and two feet around. Each plant yields between 10 and 18 ounces if grown properly.This is to ease the “kush” The smoke is a strong and unmistakably flowery taste with a very high THC level. If grown outdoors it must be started after the last frost usually the end of May to beginning of June, and harvest is expected to finish by mid to late September. The high usually lasts about an hour or two depending on the drying and curing process. There are many types of Kush. Purple Kush is one of the most potent strains of marijuana.