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 Green Point Seeds
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The first word that comes to mind when I think of Blizzard Bush is DIAMONDS. The resin glands are so big they glisten in the light just like diamonds giving the bud a shimmering effect. The aptly named Blizzard Bush will offer a high..


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More Seeds by ACE Seeds
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Zamal is an exotic african sativa from La Reunion Island, close to Madagascar, famous for its extreme vigor and legendary psychedelic effect. An excellent Zamal mother selected for its trippy effect, fast flowering and remarkable swe..


Learn more about ZAMALDELICA
More Seeds by Flash Seeds
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The result of a cross between my powerful and famous Chaze with AK47. It is an F1 hybrid variety that has great production and a powerful long lasting euphoric effect. You'll feel relieved of all your problems with an energy that wil..


Learn more about Spacer
More Seeds by G13 Labs
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Lemon Amber Kush is the very latest cannabis strain to emanate from G13 Labs. It was created by crossing an F1 of the old strain Pot of Gold (Hindu Kush Skunk) with an elite Lemon Skunk cutting from Las Vegas. High yielding, stable a..


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More Seeds by FastBuds
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Crystal METH is a potent Mexican hybrid that gives a tropical Sativa high. Good balanced effects provide an amazing dose of happiness. It's the FastBuds flagship strain with yield potential of 600 g/m2 (1.3 pounds per light) and pine..


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More Seeds by Gea Seeds
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Early Skunk is a strain that has a clean, powerful and long-lasting effect and a fruity flavor with notes to orange and an earthy background. It will make you feel a warm sensation that will transport your body and mind to other plac..


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More Seeds by Spliff Seeds
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Hashish aroma and fruity, earthy flavor. Highly tolerant to irrigation and fertilization. Short stalked and one main, stretched bud. Medicinal value: nausea, insomnia and spasms. Narcotic high. Potential THC level high. We used our A..


Learn more about Afghani Gold
More Seeds by Canuk Seeds
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Amnesia Autoflowering is very interesting Sativa dominant hybrid of White Russian crossed with Lowryder #2.Known for it’s giggly, euphoric, and uplifting effects Amnesia is one of the best strains for treating social anxiety and ot..


Learn more about Amnesia Autoflowering
More Seeds by Canuk Seeds
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Northern Lights was developed as an indoor cannabis seed strain in the late 1970s near Seattle in Washington, although the genetics involved in the cross were known to have come from California the original home of a great many of th..


Learn more about Northern Lights Autoflowering
More Seeds by Gage Green
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Like blues artists pouring out soul, All Blues is an outpouring of frosty love and goodness for all whom enjoy cannabis.Blueberry jam on buttery toast mixed hits of passion fruit is what we heard from one tester. Another phenotype wo..


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More Seeds by Auto Seeds
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Candy Kush is a collaboration of some of California’s finest kush genetics and our very own Auto Pounder. After much experimenting, we hand selected a seriously sweet kush variety. The resulting cross is a deliciously sweet, bi..


Learn more about Candy Kush Automatic
More Seeds by Seedstockers
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CBD 1:1 Silver Lime Haze Feminized is a fast photoperiod feminized variety with a 1:1 ratio of CBD:THC in the dry buds. The genetics contain recessive auto genes meaning that this variety grows with unusual vigor and speed, taking ar..


Learn more about CBD 1:1 Silver Lime Haze
More Seeds by Dark Heart Nursery
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A leggy plant with thick canopies, SFV OG grows rock hard dense buds. Beware though, she’s a chugger and requires lots to drink preferring heavy doses of nutrient. A late bloomer, she packs on most of her weight in the last two wee..


Learn more about SFV OG
More Seeds by Seedism
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Seedism Applejack. The original AppleJack has been a popular strain in some of the hottest coffeeshops in Amsterdam back in 2001, unfortunately one of the original parents used to breed this strain with has died and it looked like th..


Learn more about Applejack
More Seeds by Soma Seeds
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Somango blends the multiple hybrid Jack Herrer with Big Skunk to form the frutiest of all of Soma's strains. Previously known by Soma #5, this complexx cross was renamed for its tropical mango aroma and flavor. Somago is optimal as a..


Learn more about Somango
More Seeds by Flash Seeds
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Directly from the mountains of Jamaica, this super fruity variety will fill you with incredible flavors and aromas! She was selected by true Rastafarians from an original Jamaican variety that was crossed with a Blueberry for many ye..


Learn more about Jamaican Berry
More Seeds by Holy Smoke Seeds
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London Cookies has a four-way Kush kaleidoscope, including the infamous Cookies Forum-cut, for a mother which was fertilised by Guide Dawg pollen. Quattro Cookies Kush and Guide Dawg combined has such incredible synergy this has got ..


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More Seeds by Anesia Seeds
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After 3 years of selective crossing and backcrossing we autofeminized the genes of our famouse Big Bazooka. Big Bazooka Auto is an autoflowering strain of the 5th generation, which only requires approximately 60 days from germination..


Learn more about Big Bazooka Auto
More Seeds by ACE Seeds
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ACE Seeds Guawi The Malawi mother is the oldest and most poweful sativa clone that ACE Seeds keep in their collection. Its incredible production of huge trichomes, its flower density and its devastating power, which knocks down the h..


Learn more about Guawi
More Seeds by Biological Seeds
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Jack Herer is one of the best plants in the world, a well known predominant Sativa hybrid named after the author of “The Emperor Wears No Clothes”, who was one of the most committed activists on the front of cannabis lega..


Learn more about Jack Herer