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                                                                                      Super Strength Cannabis Seeds


                                                                                      When collecting standard strength cannabis seeds just isn't enough, it's time to consider the super strength cannabis seeds we have on offer! Seed City boasts an excellent selection of high strength cannabis seeds for you to browse. As of 19th September, we stock one of the largest collections of super strength marijuana seeds available anywhere!

                                                                                      When looking for your high strength marijuana seeds, remember you can refine your search further with our revolutionary Seed Selector. Add filters on the left, and you can search for specific cannabis seed strains, for example: super strength Indica seeds, super strength Sativa seeds, or super strength high THC seeds. The possibilities are endless!

                                                                                      We stock some of the most infamous high strength marijuana strains, including AK 47 and AK 49, THC Bomb, Gorilla Bomb, and OG Kush. Browse our collection and find the best high strength cannabis seeds for you! Always delivered securely and discreetly, always at the lower prices than anywhere else online - guaranteed.


                                                                                      View all Super Strength Cannabis Seeds

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                                                                                      AK 49 Auto - Vision Seeds

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                                                                                      The AK-49 Auto is the Vision Seeds auto-flowering variant of one of the most powerful strains ever. This cross between the AK-49 and Lowryder has resulted is a...

                                                                                      $4.48
                                                                                      $4.98
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                                                                                      BCN Critical XXL Autoflower - Seed Stockers

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                                                                                      One of our heaviest yielding auto varieties, BCN Critical Autoflower is also a powerful smoke with THC levels of 22%+. These legendary genetics are reliable and...

                                                                                      $1.82
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                                                                                      AK 47 - Serious Seeds

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                                                                                      This easy to grow plant is our most popular, because of her outstanding quality. AK-47 has been often copied or used by other seed companies for crosses....

                                                                                      $9.24
                                                                                      $10.27
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                                                                                      Gorilla Glue Auto - FastBuds

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                                                                                      This strain gets its nickname from the trichomes that “glue up” the scissors when trimming leaves off this giant. Our Gorilla Glue strain is a potent hybrid tha...

                                                                                      $10.64
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                                                                                      LSD-25 - FastBuds

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                                                                                      Crossing our autoflower genetics with the legendary strain LSD was no easy task. After years of R&D, we finally came across the perfect blend to bring to our fa...

                                                                                      $10.65
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                                                                                      Big Bud Auto - Seed Stockers

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                                                                                      Big Bud auto is another XXL auto from the Seed Stocker collection. The Big Bud genetics produce plants with huge growth potential, especially in optimum conditi...

                                                                                      $2.45
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                                                                                      Gorilla Glue #4 - Expert Seeds

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                                                                                      Gorrila Glue is one of top most potent strains reaching levels of 24% THC, this strain was originally created accidental but giving great results including a fa...

                                                                                      $6.89
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                                                                                      Girl Scout Cookies - FastBuds

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                                                                                      Overall, our GSC stands out as one of the brightest and most exotic varieties in recent years, a true masterpiece! Would you like a cookie?...

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                                                                                      Super Lemon Haze - Green House Seeds

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                                                                                      Lemon Skunk x Super Silver Haze. A very citrus-like haze, works fast and lasts long. It is a very powerful high, very balanced between a physical and a cerebra...

                                                                                      $8.98
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                                                                                      THC Bomb - Bomb Seeds

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                                                                                      THC Bomb has very high levels of THC, well over 20% when grown under optimum conditions. When ready to harvest the plant will literally be covered in frosty whi...

                                                                                      $3.24
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                                                                                      Orange Bud - Dutch Passion Seeds

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                                                                                      One of the original skunk (100% skunk!) varieties and still one of the best we have ever seen. Orange Bud was selected from outstanding Skunk genetics in the...

                                                                                      $6.22
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                                                                                      Royal Thai - Spliff Seeds

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                                                                                      80% Sativa. Genotype: Early Thai x Skunk no.1. Overall aroma sweetish chocolate with a hint of roasted coffee. The taste is tangy and citrusy with a wonderful...

                                                                                      $2.07
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                                                                                      Wild Thailand - World of Seeds

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                                                                                      A pure strain from the Ko Chang archipelago in Thailand, her THC levels are among the highest in the world. She’s highly prized by Thai growers who smuggle her...

                                                                                      $7.86
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                                                                                      LSD - Barneys Farm Seeds

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                                                                                      Named LSD™ by the Barneys Farm crew because of its powerful trippy effect. LSD™ is a hardy mould and disease resistant plant that responds well in all growing c...

                                                                                      $9.22
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                                                                                      Green Crack - FastBuds

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                                                                                      Green Crack is like a turbocharged mango-flavored energy drink. It's a variety of marijuana that will offer you a rush of pure fruity adrenaline. It’s quality w...

                                                                                      $10.65
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                                                                                      Bruce Banner #3 - Original Sensible Seeds

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                                                                                      With outrageous THC Levels of almost 30%, if there´s one strain in your life that you must grow its Bruce Banner # 3 from Original Sensible Seeds. Bruce Banner...

                                                                                      $12.03
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                                                                                      White Widow - Seedsman Seeds

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                                                                                      White Widow is one of the best-known, and still one of the most potent, cannabis strains in the world. Originally created in the early 1990s its release to the...

                                                                                      $3.84
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                                                                                      Critical Kush - Barneys Farm Seeds

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                                                                                      Critical Kush™ is a blending of the famous Critical Mass with OG Kush. This is a powerful and extremely vigorous Indica plant, yielding huge amounts of beautifu...

                                                                                      $8.46
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                                                                                      Acapulco Gold - Barneys Farm Seeds

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                                                                                      Thanks to recent advances in marijuana genetics pioneered at Barneys Farm Labs, the quality of our Acapulco Gold™ goes beyond the often rhapsodized smoke of day...

                                                                                      $8.14
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                                                                                      Cookies Kush - Barneys Farm Seeds

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                                                                                      A new phenomenon sends shockwaves throughout the cannabis community. Cookies Kush™ is created by crossing our outstanding Girl Scout Cookies phenotype with a po...

                                                                                      $9.22
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                                                                                      White Widow - Dutch Passion Seeds

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                                                                                      The most rewarded variety of recent years in Holland. The plants are white of THC-glands, even on big parts of the fan leaves....

                                                                                      $7.91
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                                                                                      Snow White - Nirvana Seeds

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                                                                                      Its plants bear dense sticky buds covered in trichomes. These marijuana seeds are well suited to cultivation in hydro or similar systems....

                                                                                      $2.29
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                                                                                      Liberty Haze - Barneys Farm Seeds

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                                                                                      Liberty Haze™ has both Indica and sativa characteristics with a fast flowering time (8 to 9 weeks). A medium tall plant with substantial girth and big fat calyx...

                                                                                      $9.42
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                                                                                      Big Yield Auto - Phoenix Cannabis Seeds

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                                                                                      This strain is well known for its amazing yields and short flowering time. It has a high amount of THC, which can reach up to 22%, and a low level of CBD. As a...

                                                                                      $6.76
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                                                                                      Tutankhamon - Pyramid Seeds

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                                                                                      AK-47 selection, this variety has one of the highest percentages of THC in the market (Analyzed in the 2011 Barcelona Energy Spannabis control)....

                                                                                      $7.85
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                                                                                      Blueberry - Dutch Passion Seeds

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                                                                                      Dutch Passion Blueberry is the original, a famously classy and enjoyable cannabis combined with fruity flavours and blue colourations in the leaves and buds. Th...

                                                                                      $13.54
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                                                                                      Amnesia Haze - Royal Queen Seeds

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                                                                                      After the haze genetics came to Holland and several hybrids were made, an American expat would later combine one of these hybrids with a male derived from old s...

                                                                                      $7.15
                                                                                      $9.53
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                                                                                      Blue Cheese - Barneys Farm Seeds

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                                                                                      This strain of BLUE CHEESE™ is one of the best and strongest on the market, and is guaranteed to knock your head off. This is an easy to grow strain, which crea...

                                                                                      $9.22
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                                                                                      Jack Herer - Sensi Seeds

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                                                                                      The cream of the crops and perhaps the most exquisite ganja you will ever encounter....

                                                                                      $21.27
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                                                                                      Auto Tutankhamon - Pyramid Seeds

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                                                                                      AK-47 selection, this variety has one of the highest percentages of THC in the market (Analyzed in the 2011 Barcelona Energy Spannabis control)....

                                                                                      $7.87
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                                                                                      Amnesia Lemon - Barneys Farm Seeds

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                                                                                      Barneys Amsterdam with Soma won the Cannabis cup with Amnesia Haze in 2004. Amnesia Lemon™ is a crossing of Soma’s Amnesia Haze and Lemon Skunk. A delicious ble...

                                                                                      $8.46
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                                                                                      8 Ball Kush - Barneys Farm Seeds

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                                                                                      The mountainous border area between Afghanistan and Pakistan is traditionally known as the source of some of the best hashish in the world. After many years of...

                                                                                      $8.14
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                                                                                      Gorilla Zkittlez - Barneys Farm Seeds

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                                                                                      Unleash the gigantic power of West Coast genetics with an amazing fusion of GG 4 and Zkittlez. Introducing Barney’s Farm brand new GORILLA ZKITTLEZ™. An exquisi...

                                                                                      $9.42
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                                                                                      Auto Mazar - Dutch Passion Seeds

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                                                                                      AutoMazar® is a high performance AutoFem, she is robust and easy to grow. She is also a reliable producer of great quality cannabis whether grown in soil, coco...

                                                                                      $9.67
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                                                                                      Purple Haze Auto - Genofarm Seeds

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                                                                                      Our Auto Flowering range IS the result of years of hard work, planning and crossings to achieve high end quality and production. Our blues, purples and lilacs w...

                                                                                      $9.41
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                                                                                      Pineapple Express - FastBuds

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                                                                                      All aboard the Pineapple Express! This unique combination of spices and flavors, reminiscent of a fine Brandy, is a strain created for those who want the most o...

                                                                                      $10.65
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                                                                                      Pineapple Chunk - Barneys Farm Seeds

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                                                                                      We crossed the famous “Barney’s” Pineapple with our Cheese/Skunk #1 with the intention of breeding into this new variety the essence and flavour of these two de...

                                                                                      $8.46
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                                                                                      1024 - Medical Seeds

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                                                                                      We are proud of this cross. 1024 combines all: taste, production, presence is the perfect plant. It fits perfectly to all cropping systems (organic coconut, hyd...

                                                                                      $11.02
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                                                                                      Auto White Widow - Seedsman Seeds

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                                                                                      Auto White Widow takes the legendary White Widow strain a stage further so that growers no longer need to worry about reducing photo-periods in order to stimula...

                                                                                      $6.33
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                                                                                      Glookies - Barneys Farm Seeds

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                                                                                      If Marvel Studios created an Avengers cannabis strain this would be it! Glookies™. Witness the power from this Indica dominant superhero of a strain, created by...

                                                                                      $10.07
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                                                                                      Laughing Buddha - Barneys Farm Seeds

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                                                                                      We created Laughing Buddha™ by crossing a pure landrace Thai Sativa with our Jamaican hybrid. Laughing Buddha™ is an almost pure Sativa strain. Great reward com...

                                                                                      $8.14
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                                                                                      Blackberry - FastBuds

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                                                                                      We have created this variety for foodies who love marijuana. The mix of flavors offered by our Blackberry create a burst of sensations: spicy, sweet, fruity, wi...

                                                                                      $10.65
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                                                                                      Purple Queen - Royal Queen Seeds

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                                                                                      Purple Queen is pure indica royalty. By combining the most elusive and highly-prized purple phenotypes of Kush mountain strains, the master breeders at Royal Qu...

                                                                                      $6.34
                                                                                      $8.45
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                                                                                      Panama - Ace Seed bank

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                                                                                      Panama combines 3 excellent sativas from Panama. It is one of the most popular, powerful and high yielding sativa in our catalogue....

                                                                                      $6.84
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                                                                                      White Widow - Royal Queen Seeds

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                                                                                      Over the years, literally thousands of marijuana strains have been discovered, bred and smoked. No strain is quite possibly more famous, more legendary, than Wh...

                                                                                      $5.25
                                                                                      $7.00
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                                                                                      OG Kush - Dinafem Seeds

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                                                                                      OG Kush cannabis seeds are a must in the catalogue of any self-respecting seed bank. She’s not only one of the most requested strains in California and, therefo...

                                                                                      $10.64
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                                                                                      Satori - Mandala Seeds

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                                                                                      This famous Mandala strain is a reliable and powerful cross that will delight your connoisseur heart. Satori is an exceptionally easy to grow sativa. She has sh...

                                                                                      $6.49
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                                                                                      Tangerine Dream - Barneys Farm Seeds

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                                                                                      Tangerine Dream™ is an sativa dominant strain offering tangy sweet Tangerine aromas and flavours, as well as effects that are at once cerebral and relaxing. Tan...

                                                                                      $9.42
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                                                                                      Moby Dick XXL Autoflowering - Dinafem Seeds

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                                                                                      Moby Dick XXL Autoflowering cannabis seeds prove that, with the best materials, any recipe is a guarantee of success. Our breeders couldn’t resist the temptatio...

                                                                                      $11.29
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                                                                                      Afghan Kush - World of Seeds

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                                                                                      We bring to you this Indica Kush, a lineage that has produced many champion strains, from the Hindu Kush mountain range in Northern Afghanistan. This particular...

                                                                                      $2.88
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                                                                                      Last Updated Was Exactly: Thursday, 19 September 2019 16:37
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