Serious Seeds is a small firm, concentrating on the production of high-quality, stable and consistent varieties of cannabis seeds. Independent and reliable lab tests [over 20 years of experience in this field] have shown that the different Serious Seeds strains produce the strongest plants [Highest in THC content] avaliable on the market today, averaging between 18-22% THC. These tests are done on plants grown from the same seeds as our customers gets. Serious Seeds are produced in small numbers and are always fresh and hand selected. We are the ONLY company to individually number out packages, so every seed can be followed from production to the point-of-sale.