Purple Urkle strain is a medium 50% Indica marijuana. Purple Urkle strain is a very popular cannabis plant in California. She has breeders who have preferred to remain discreet but to share the recipes for creating this strain. Still called Urkle, this marijuana flower began to be famous in the early 1980s. This cannabis strain has a moderate THC level of 21%. Purple Urkle marijuana is ideal for medicinal use. Cannabis beginners should consume it whit moderation.