High-CBD Cannabis hybrids and landraces. In ‘drug’ landraces, high CBD is typical of strains domesticated for production of traditional Cannabis resin, which is usually termed hashish or charas. The best landraces to explore for high-CBD chemotypes are those from regions such as northern Afghanistan, the Hindu Kush, Himalaya, or Middle East. Studies have found that approximately 25% of plants in authentic ‘resin landrace’ populations exhibit a high ratio of CBD to THC. For further detail check out The Real Seed Company’s site blog.

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