Granddaddy Purple aka Granddaddy Purps aka GDP | Disposable Vape Pen | Indica | Purple Urkel x Big Bud | 4ct | California loves it's purple strains and GDP is a standard in classic purple strains. Created almost 20 years ago in San Francisco, Granddaddy Purple has been a solid indica choice for smokers far and wide. Almost identical to it's cousin Grape Ape, GDP has an overwhelming grapeness to it, with a spicy, earthy undertone. A powerful indica, GDP hits the body and mind equally relaxing and sedating both making it an excellent sleep aid or pain killer.