If you grow them in the right environment and properly give them the best nutrients you should end up with the best of the best weed. You may want to try growing organic, and only using the finest organic nutrients, like worm castings and bat and seabird guano, plus micronutrients and such. The light is impportant, as is the proper humidity and temperature. Also, for the finest product, you should dry and cure properly. Supposedly proper curing for like two months makes for a fine product.