High-CBD landraces. In subsp. indica, plants with significant levels of CBD are typically found within the populations of domesticates cultivated for traditional Cannabis resin, widely known as hashish or charas. For high-CBD chemotypes, the best strains (“landraces”) to search are those from regions such as the Hindu Kush, Himalaya, and Middle East. Studies have found that in authentic charas domesticate populations often approximately 25% of plants can exhibit a high ratio of CBD to THC. For further information, see CBD in Cannabis Landraces.

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