The 3:1 CBD to THC ratio makes this strain more suited to medical users, though it still has some THC effects enjoyed by recreational consumers. Harlequin GDP is a mix, as its name suggests, between parent strains Grandaddy Purple and Harlequin. A hybrid that combines both indica and sativa effects, this strain’s high generally starts in the head and trickles into the body. Users can expect such effects as mood boosts, relaxation in the mind and body, an ease of tension, a sense of transcendent bliss, and increased feelings of optimism and positivity. Its aroma is reminiscent of flowers and trees.