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 Flying Dutchmen
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Flying Dutchmen Blueberry Skunk has always been considered the easiest to grow. Yet, some cannabis seeds farmers found regular Blueberry to be sensitive to overfeeding and to not actually smell too fruity. To correct these natural ch..


Learn more about Blueberry Skunk
More Seeds by Positronic
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Positronic Caramelice HIBRIDATION The skunk's varieties supposed a successful for the cannabis cultivation. Its citric flavour and taste fascinated hundreds of thousands of farmers, whom continue to fill the gardens of these qualitie..


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More Seeds by FastBuds
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This indica dominant hybrid fills the room with its overpowering scent and packs on the buds.This high THC, low CBD, indica-dominant hybrid mixes our Grapefruit auto with our signature autoflower genetics to create a strain with the ..


Learn more about Zkittlez Auto
More Seeds by KC Brains
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The KC-45 is an unusual variety among the many selections on the market due to her partial ruderalis heritage. Ruderalis is a distinct Russian subspecies of cannabis whose most notable characteristic is autoflowering. Unlike indica a..


Learn more about KC 45 Auto
More Seeds by KC Brains
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KC Brains TNR marijuana seed is F1 hybrid presented by KC Brains. Its seed breeders have been developing TNR cannabis genetics for over 10 years and have finally perfected this Thai based strain. They crossed her with KC2 and got a n..


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More Seeds by Mr.Nice
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Mr. Nice Neville`s Haze. A tribute to the father of all modern seed companies, Neville Schoenmakers. There is something very special about this 3/4 sativa that those in the know will recognize once they smell the end product. It can ..


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More Seeds by Short Stuff
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Super stinky is the 2nd ‘super auto’ strain from shortstuff seeds which builds upon the amazing advances we made with our Super Cali Haze strain. A SUPER AUTO is a true sativa auto flowering cannabis strain which takes lo..


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More Seeds by Delta 9 labs
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The Simpson Kush: The Simpson Kush is a cross between the legendary and finest of the OG Kush lines, the SFV(San Fenando Valley) OG Kush cross with our Fruit of the Gods. The famous old school woody scent and high from the NL5 Haze i..


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More Seeds by Mr.Nice
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MR NICE Mango Haze Regular Seeds. This strain is a parallel line to the Super Silver Haze, i.e. it has the same Haze father and the mother is a sister of the SSH. Accordingly, the genetic makeup of this strain is 25% NL5, 25% Skunk a..


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More Seeds by Flash Seeds
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Frothing with a slew of authentic flavors and aromas, Flash Auto Seed's new and captivating creation impresses all the senses. As soon as you take one look at Stitch's Love Potion Auto lush appearance you're hooked! A real beaut, she..


Learn more about Stitch's Love Potion
More Seeds by Positronic
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Positronic Blue Rhino HYBRIDISATION PROCCES Blue Rhino is the result of selections among hundreds of plants, a classic creation process that guarantees one of the strongest and best hybrid that the expertest farmers asked. Blue's gen..


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More Seeds by Dr. Underground
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The study for the creation of Brooklyn Mango started looking for plants with strong smell of Mango but that in turn is a powerful structure of rock-hard buds. We started by our mother Ed Rosenthal Super Bud, selected from original se..


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More Seeds by Anesia Seeds
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Banana Kush Auto is a autoflowering strain of the latest generation that provides big yields, a great gentic stability, a wonderful intense banana flavour and a enormous potency. Banana Kush Auto is an indica dominant autoflowering s..


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More Seeds by Zambeza
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The genetic history of Blueberry can be traced back to the 1970’s, when US breeder DJ Short worked with different exotic landraces to lay the foundation for this wonderful plant. Blueberry became internationally recognized after wi..


Learn more about Blueberry Autoflowering
More Seeds by Anesia Seeds
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Congo is a landrace from Central Africa that we brought with us from our trips to Africa. We feminized the genetic over 2 generations and selected the best plants over a long time to create this typical original stable Congo strain. ..


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More Seeds by Spliff Seeds
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Orange/apricot citrus kush taste. Happy energetic high with a relaxing body stone. Tall growing kush which has sticky buds with a deep orange overtone. Excellent for depression, stress, fatigue, headaches, lack of appetite. Potential..


Learn more about Gold Bar Kush
More Seeds by Zambeza
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Zambeza’s breeders created Blueberry Cheese Autoflowering by simply crossing the already existing and well-appreciated Blueberry Cheese with Ruderalis genetics. Growers of this strain will be amazed by the wonderful attributes of W..


Learn more about Blueberry Chesse Autoflowering
More Seeds by White Label
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This is a high-potency, heavy-yielding feminized Afghani with a hint of Sativa and a strong purple tendency. Purple Bud Feminized is easy to cultivate indoors, even for beginners, and will flourish outdoors in the spring and summer o..


Learn more about Purple Bud
More Seeds by Auto Seeds
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To create Ultra Lemon Haze we crossed the Cannabis Cup winning Lemon Haze with a select Sour Diesel developed in northern California. This was then crossed with our Auto #1 to produce a stable strain that is truly unique. These genet..


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More Seeds by Positronic
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Positronic Amnesia Mistery HIBRIDISATION Discover the mistery. AMNESIA MISTERY is a step forward in the development of the newest sativa genetics. Our best selected AMNESIA clon was crossed with a misterious male coming from the gree..


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More Seeds by ACE Seeds
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Spectacular hybrid of the mythical Purple Haze and the Meo Thai of northern Thailand. With this sativa, we have developed the characteristics of the famous Purple Haze to the extreme: tall, thin and elegant sativa with beautiful purp..


Learn more about Purple Haze Thai
More Seeds by Positronic
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Positronic Somango #47 HIBRIDISATION Somango#47 is a combination of the two plants most productive and strong we have selected for years. Is a new generation hybrid that was massively tested in colaboration with YERBA Magazine. Our w..


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More Seeds by Zambeza
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The breeders of Zambeza Seeds are true Cheese lovers, not only because of their Dutch roots. Creating one of the best-selling autoflowering varieties of Zambeza’s collection didn’t involve many experiments or countless years of s..


Learn more about White Cheese Autoflowering
More Seeds by Auto Seeds
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The legendary Californian medical strain Girl Scout Cookies has just been given the Auto Seeds treatment. We scoured the world for the best GSC mothers and we think we've done the original proud.We made the cross using our incredibly..


Learn more about Girl Scout Cookies Auto