Tropical Punch - Live Rosin - 1g (S) - Jetty Extracts Jetty Live Rosin is grown using organic methods on the sun-soaked Jetty Farm. Whole plant cannabis, harvested at the peak of ripeness then immediately frozen on site. Extracted entirely without chemicals, using just ice, water, heat and pressure. This is premium-grade, 90μ Jetty Live Rosin.