Who are the best seed breeders?

As the cannabis industry rapidly expands, the most reputable cannabis seed breeders are contributing to cannabis genetics in powerful ways. Dig deep into it with this list of cannabis seed breeders and genetics companies curated for curious commercial growers and home growers. These seed breeders and genetics specialists put out all kinds of seeds: regular seeds, feminized seeds, auto-flower seeds and bulk seed options. For example, Brothers Grimm Seeds specializes in bulk cannabis seeds for large commercial cannabis farms.

Recently the cannabis industry lost some of the best cannabis breeders of the modern age, both SubCool and Josey Wales. These iconic cannabis breeders made significant contributions to the cannabis industry. SubCool is the famed creator of Jack The Ripper. Josie Wales created GG4 (formerly Gorilla Glue #4), a wildly popular strain that almost everyone who consumes cannabis has heard of.

There are no perfect top lists or best of lists, but hopefully you’ll learn something new with ours. If you like this list, share it with other cannabis growers who want to be informed about cannabis breeding, seed breeders and genetics. This list does not vouch guarantee you’ll be able to locate everyone included. Many of them are accessible to the general public, however some breeders and companies are not, or their online presence is sparse. Most of the cannabis seed breeders and genetics companies listed sell seeds, however they may not be easily accessible.

For fast and reliable customer service for marijuana and cannabis seed packs, feminized and autoflower seeds, the Brothers Grimm Seeds seed bank delivers on all accounts. The Brothers Grimm Seeds seed bank features only the best US seed breeders. Seed brands like Purple City Genetics, Romulan Genetics, and Green Bodhi are the first additions of US seed breeders to the online Brothers Grimm Seeds seedbank. With the inclusion of seed products from Romulan Genetics, Green Bodhi, and Purple City Genetics feminized seeds and autoflower seeds, a wider selection of indica dominant strains balance out their weed seed bank nicely with the sativa dominant strains from Brother Grimm Seeds like Cinderella 99, Cinderella Pineapple, Apollo, Durban Thai x C99, Rosetta Stone, and Space Queen.


List of the best seed breeders and genetics companies

  1. Brothers Grimm Seeds
  2. Grandiflora Genetics
  3. Green Bodhi
  4. DJ Short
  5. Capulator
  6. Covert Genetics
  7. Envy Genetics
  8. Barney’s Farm
  9. Alien Genetics
  10. Top Dawg Seeds
  11. Thug Pug Genetics
  12. Humboldt Exotics
  13. CSI Humboldt
  14. Mephisto Genetics
  15. Ethos Genetics
  16. HBK Genetics
  17. Romulan Genetics
  18. Soma Seeds
  19. Purple City Genetics
  20. AG Seed Co.
  21. Compound Genetics
  22. Shantibaba
  23. Dynasty Genetics
  24. Symbiotic
  25. Mr. Nice
  26. Dr. Kripling
  27. Myers Creek
  28. Ghost Grow
  29. Swamp Boys
  30. Dark Horse Genetics
  31. Solfire Gardens
  32. Chemdog
  33. Cornbread Ricky
  34. Lumpy
  35. Purple Caper
  36. NERDS Genetics
  37. Humboldt Seed Company
  38. Humboldt Seed Organization
  39. Rare Dankness
  40. Piff Coast Farms
  41. Lovin’ In Her Eyes
  42. Oceangrown Seeds
  43. Katsu
  44. Swamplord Genetics
  45. Seed Junky
  46. Green Luster Phenos
  47. Subcool Seeds (RIP)
  48. Josey Wales (RIP)


It is recommended that you contact genetics companies and seed breeders directly to procure cannabis seeds, genetics, etc. Never try to purchase seeds on social media. Social media platforms are full of scammers as well as knock-off seeds. It is best to become acquainted with seed banks, such as Brothers Grimm Seeds, because they feature well known seed breeders with industry leading cultivation and breeding practices such clean seed commitments, certifiable cannabis seed germination testing, and more. Clean seed protocols may include rigorous HLV and pathogen screening for mothers plants used in breeding, as well as the testing of the actual seed itself. The seed breeder collective, Purple City Genetics, utilizes their own lab, Purple City Labs, to ensure their plant health.


This list was updated 9/8/23. Bookmark this page for continued updates.

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