Granddaddy Purple Some legends never retire! As one of the founding fathers of purple strains, this icon brings wisdom in the form of rich, berry-sweet aromas and a smooth, grape-forward flavor. Heavy-hitting and full-bodied, GDP is the strain that tucks you in and tells you a bedtime story after a long day. If you’re looking for something sweet, strong, and worthy of a permanent spot in your stash, Grandpa’s got you covered.