GDP or the Granddaddy Purple is a cross between the Big Bud and Purple Urkle. The strain originating from California has an aroma that can be defined to be complex between that of a grape and berry. The bud structure is compact and oversized. The flowers bloom in various shades of deep purple, which acts as a backdrop for its white crystal resin. It is not just the mind but also the body which experiences the psychoactive effects. Users claim to experience euphoria along with the whole body relaxing under its effects. The flowering time for the strain is estimated to be 60 days in indoor environment.