Granddaddy Purple is one of the best indica around. People with issues, including sleep and chronic, can use this strain to gain relief. This makes it very usable for both medical patients and recreational patients. Granddaddy Purple is a unique Indica strain because it can fill you with a euphoric and mental high. This strain is recommended for people who can withstand THC levels as high as 23%. Granddaddy Purple (aka Grand Daddy Purps) is one of the most popular Indica strains on the west coast and is perhaps the most well known ‘purple’ cannabis. It is typically pulled off the shelf for consumers looking to combat pain, stress, insomnia, appetite loss, and muscle spasms.