Buy Granddaddy Purple strains in Europe. The Granddaddy Purple high hits you first with a cerebral rush that leaves you feeling completely euphoric although with a slight numbing effect. A slightly psychedelic effect will slowly wash over your mind, leaving it floating through trippy visions as your body falls into a deep sense of relaxation and peace. With effects like these and a powerful 17-27% THC level and insane 7% average CBD level, Granddaddy Purple is the perfect bud for killing the effects of chronic pain, muscle spasms, insomnia, and appetite loss.