Blue Velvet is 50/50 Indica-Sativa strain proudly claims to have Purple Thai and Afghan Indica as its parents. Combining the smell of fruit and flowers, the patient’s nose does not regret crossing paths with Blue Velvet. Giving both mind and body satisfaction, Blue Velvet offers the best of both worlds. Because of its appearance and parents, Blue Velvet strain also is referred to as Blueberry Thai. Growing Blue Velvet Marijuana HasMedical Benefits.