THCA Head Dog + Blue Sherbert Flower 30%What is high THCA like? Our Blue Sherb is 30% What is THCA? THCA is a compound that is abundant in raw cannabis plants. After the plant is harvested and dried, THCA slowly converts to THC, the compound in cannabis chiefly responsible for a euphoric high. However, when you purchase cannabis, these dried buds still contain mostly THCAnot THC. In order to convert the rest of the THCA into THC, you must apply heat by smoking the buds with a lighter or by