The genetics of the cannabis seeds you plant are responsible for dictating both the speed and quality of the marijuana plant it will grow into. It even plays a role in the potency and flavor profile when the marijuana is being consumed, by affecting the quality and quantity of cannabanoids and terpenes.

Each strain of marijuana is best explored personally, to experience the different taste profiles and effects. However even within the same marijuana strain, there are large amounts of discrepancies with their genetics - and this is where the reputable seed breeding companies come into play: There are countless factors leading to the production of seeds with strong genetics and with the addition of so many new strains it has become more common to find unstable genetics. However, each year the genetics of existing strains continue to grow stronger - with the breeders doubling down and breeding out undesirable traits.

We have collected a list of contenders for the top genetics to be growing during 2020.
You can learn more about each strain by clicking into it, or browsing more information about the breeder including their complete product line.

More Seeds by Barney's Farm
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Pink Kush is a hybrid based on the outstanding OG Kush genetics. This indica cannabis provides strong effects and ideal for pain and insomnia and pleasant vanilla aromas.The plant develops sparkle dense buds coated with the mass of t..


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More Seeds by Humboldt Seeds
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OG Kush is a famous cannabis strain that is based on the genetics of Lemon Thai/Pakistani and Chemdawg.The plant is easy to grow. It has a small size and a sensitivity to humidity. The plant develops buds with rich tropical smell and..


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More Seeds by Canuk Seeds
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Critical Mass has a very nice plant metabolism and structure, resulting in very frosty and dense buds with a sharp flavor.Critical Mass is a reworked excellent version of an old breed once known as Big Bud. This is a large yielding s..


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More Seeds by Spliff Seeds
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Fruity slightly earthy aroma and blueberry, sweet flavor. Heavy, compact buds. Impressive yields. Ultimate medicinal plant. Big Indica body stoner. Potential THC level high. The original Blueberry is composed of an exotic mix of gene..


Learn more about Blue Berry
More Seeds by Royal Queen Seeds
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Wedding Gelato is a formidable hybrid strain by Royal Queen Seeds. Unlike most hybrids, however, Wedding Gelato brings together not two, but three separate lines of genetics. The result is an extremely balanced strain with great arom..


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More Seeds by Dinafem
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A White Widow XXL Autoflowering and an Auto CBD strains were crossed to create a new CBD rich autoflowering variety for Dinafem Seeds collection. White Widow Autoflowering CBD is a medical cannabis plant with a high CBD level of 10%,..


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More Seeds by Medical Seeds
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Canadian Kush is a new one creation of Medical seeds that based on the crossing between Purple Kush from California and Special Kush from Canada. This is a pure indica plant with a high THC level and great medical properties.This ma..


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More Seeds by Royal Queen Seeds
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Royal Queen Seeds (RQS) is fast growing cannabis seed company from the Netherlands. The group of breeders decided to create their own range of cannabis to offer quality feminized, autoflowering and medical seeds at a good price afte..


Learn more about Sweet Zkittlez
More Seeds by Kannabia
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Purple Kush is the variety that adds the colour of wild berries to our seed bank, thanks its contrast of rich purples and greens.This is a hybrid of 70% Purple with a highly compact and richly resinous bud that draws the eye. The wai..


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More Seeds by Humboldt Seeds
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Green Crack is a premium cannabis strain that based on the famous Afgani and Skunk genetics. This is a sativa dominant hybrid that contains 60% sativa and 40% indica. The strain demonstarates energetic growth and great stability. I..


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More Seeds by DNA Genetics
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Tangie is the result of the combining between Clone Only and Crocket's Selection. This sativa dominant plant contains 70% sativa and 30% indica genetics. Tangie grows high and demonstrates great results. It produces big resinous buds..


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More Seeds by Sensi Seeds
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Jack Herer is a regular indica/sativa hybrid that the result of the combining famous genetics of Haze, Northern Lights #5 and Shiva Skunk. The strain is a multiple winner, it took nine awards. Today Jack Herer is a recognised medica..


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More Seeds by Vision Seeds
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Big Bud is a feminized indica dominant plant with well-balanced properties and effect. The strain contains 60% indica and 40% sativa genetics. It is the result of the combinig of two outstanding varieties - Northern Lights #1 and Sku..


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More Seeds by Delicious Seeds
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Sugar Black Rose is one of the tastiest indica strains in the world. The strain is a multiple winner of different awards. It is the result of the crossing between Critical Mass and Black Domina. This feminized hybrid contains 80% ind..


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More Seeds by Canuk Seeds
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Original Skunk #1 was the first true stabilized hybrid to enter the Dutch Cannabis greenhouses. Sacred Seeds created it in the late 1970s from Afghani Indica, "Acapulco Gold" Mexican Sativa and Columbian Gold Sativa. For the first..


Learn more about Original Skunk #1
More Seeds by Sweet Seeds
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This indica dominant plant consists of 90% indica and 10% sativa. Cream Caramel is the result of mix of the best indica genetics such as BlueBlack, Maple Leaf Indica and White Rhino. It has numerous awards. The strain is popular with..


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More Seeds by Gea Seeds
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Auto Super Skunk has an intense fast effect, causes a physical state of body relaxation while stimulating the mind, it is a very pleasant sensation ideal to disconnect from the daily stresses.It has a powerful aroma and its flavor is..


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More Seeds by Royal Queen Seeds
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Nowadays Royal Gorilla is one of the most popular strains in US. But its birth was absolutle occasional. Chem Sis plants was accidentally pollinated by Sour Dubb. The result is well balanced indica/sativa hybrid with high THC content..


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More Seeds by Bomb Seeds
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THC Bomb; our original signature strain, has created rave reviews around the world. This unique mixture of giant, rock-hard buds with explosive THC levels make it one for commercial growers and connoisseurs alike.Like Big Bomb, the h..


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More Seeds by Dinafem
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White Widow and AK 47 were crossed to produce the White Siberian. White Siberian is Indica-Sativa hybrid with Indica dominant. The high CBD content provides medical use.The strain showcases a great stability, big crops, a resistance ..


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More Seeds by Canuk Seeds
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This pure Indica strain, originating from the genetics of Hindu Kush and Purple Afghani is known for its highly relaxing effect on both mind and body as well as its beautiful amethyst color.Auto Purple Kush carries a sweet, herbal s..


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More Seeds by Barney's Farm
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Violator Kush is the result of crossing between potent Malana Charas that brings hash characteristics and Hindu Kush. It is powerfull indica dominant strain containing 80% indica.The plant grows short reaching to 80-90 cm tall, it d..


Learn more about Violator Kush