What are triploid cannabis seeds?
Triploid cannabis seeds produce plants with three sets of chromosomes instead of the two found in conventional diploid cannabis. This genetic difference significantly reduces fertility, making triploid plants much less likely to produce seeds when exposed to unwanted pollen.
What are the advantages of growing triploid cannabis?
Triploid cannabis offers growers improved protection against accidental pollination and unwanted seed production. This can help preserve flower quality and cannabinoid production when pollen is present. Selected GTR triploid varieties are also bred for vigorous growth, dense flowers, and exceptional cannabinoid and terpene profiles.
Are triploid cannabis plants completely seedless?
No. Triploid plants have greatly reduced fertility, but they are not guaranteed to be completely sterile. Research has demonstrated substantial reductions in seed production compared with conventional diploid plants, even under deliberate pollen exposure.
Is there scientific research supporting triploid cannabis?
Yes. Research conducted by Cornell University and other agricultural institutions has demonstrated the benefits of triploid genetics. A 2024 study published in Agronomy Journal, titled Characterization of Agronomic Performance and Sterility in Triploid and Diploid Cannabinoid Hemp, found that triploid Lifter and White CBG produced 87% and 77% fewer seeds, respectively, than their diploid counterparts when exposed to pollen.
You can also read more about the development and science behind our genetics on our Triploid Cannabis Research and Breeding page.
Who developed the first commercial triploid cannabis seeds?
Oregon CBD pioneered the first commercial triploid cannabis seed varieties in 2020. Today, GTR Seeds continues that breeding work, offering triploid genetics across THC, CBD, CBG, and other specialized cannabinoid categories.