Serious Seeds

Established 1995


Serious Seeds is one of the longest established seed-companies in Holland, concentrating on the production of high-quality, stable and consistent varieties of cannabis seeds. The production of top quality cannabis-strains for medical and recreational purposes are our highest priority.

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) available on the market today, averaging between 18-22% THC.


  • Classic award-winning cannabis strains AK-47, Bubble Gum, Chronic, Kali Mist, White Russian, Warlock, Double Dutch, Biddy Early, Motavation, Serious 6, Autoflowering White Russian #1, Serious Happiness, Serious Kush, CBD-Chronic, CBD-enriched Warlock and Strawberry-AKeil.


Over 101 awards including:

  • 1994 High Times Cannabis Cup, category: Seed Cup, 3rd place (Cerebral Seeds, predecessor of Serious Seeds)
  • 1995 High Times Cannabis Cup, category: Seed Cup, 2nd place
  • 1996 High Times Cannabis Cup, category: Seed Cup, 3rd place
  • 2016 Expogrow Cup, category: Best Seedbank, 1st place