THCa Flower refers to cannabis buds marketed as hemp, which are intended for smoking or vaping. They contain high concentrations of tetrahydrocannabinolic acid (THCa) and low levels of D9 (not exceeding 0.3% by dry weight). THCa is the non-psychoactive form of THC, the main psychoactive component of cannabis. It is not intoxicating, but it does have therapeutic benefits. It is believed that it is believed that it is true.