2017 2nd place winner at High Times Cannabis Cup. 80-86% THC Concentrate Cookie/Wax. HHO. Rockstar Kush Indica Strain. Rockstar Kush, also known as BC Rockstar, is a popular strain in British Columbia renowned for its excellent medical qualities. This Hybrid of Rockstar and Bubba Kush emits a heavy odor of skunky and piney kush. Rockstar Kush, a heavy indica helps patients overcome aches, pain, and anxieties with its relaxing effects that also stimulate a reduced appetite.