Afghan Kush marijuana strain strain is a pure Indica marijuana. This kush originated in the Hindu Kush mountain range near the Afghanistan-Pakistan border. Afghan Kush was historically used for hashish production. Afghan Kush cannabis is a highly potent strain due to high, up to 25% THC count. This beauty is not recommended for first-time users, as they will be unable to handle the intensity of her punch. The bud is good for evening and nighttime medicinal and recreational use.