Granddaddy Purple is a popular strain amongst many longtime cannabis users. Known by many names including GDP and Granddaddy Purps, Granddaddy Purple is cultivated by crossing Purple Urkle with Big Buds. With its dense, purple buds and sweet, berry fragrance, GDP sends its users into a euphoric high, allowing users to relax and fall into a sleepy haze. Medical patients who suffer from stress, muscle spasms, pain, and insomnia will benefit from using this strain.