Hemp and marijuana are generally produced from exactly the same plant species, Cannabis sativa, however their THC content differs. THC (tetrahydrocannabinol) is easily the most well-known cannabinoid due to its high-inducing qualities. Hemp continues to be bred to possess lower THC levels. Marijuana, however, is grown because of its high THC content. As it is obtained from industrial hemp with under .3 % THC, only hemp-derived mail order marijuana Canada is federally legal.