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Blueberry is a Cannabis indica-dominant hybrid strain. It was first bred in the late 1970s and early 1980s. Its genetics originated in a 3-way cross between a landrace Highland Thai known as "Juicy Fruit," the Oregon Purple Thai, and an Afghani male. There have been several reworkings of the genetics by the original breeder, as well as over 100 hybrids and crosses produced.
Known for its purple and blue coloring on both fan leaves and flowers and its very fruity aroma and blueberry taste, it is a unique strain. The effects are generally euphoric and mellow, and most users do not report tiredness and a mellowed relaxed feeling. It has won the Cannabis Cup.