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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 06th July, 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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                                                                                      BCN Critical XXL Autoflower - Seed Stockers

                                                                                      5 Stars
                                                                                      13

                                                                                      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
                                                                                      $2.02
                                                                                      You Save:  10.00%
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                                                                                      Big Bud Auto - Seed Stockers

                                                                                      5 Stars
                                                                                      2

                                                                                      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...

                                                                                      $2.21
                                                                                      $2.45
                                                                                      You Save:  10.00%
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                                                                                      Gorilla Glue Auto - FastBuds

                                                                                      5 Stars
                                                                                      2

                                                                                      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...

                                                                                      $13.18
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                                                                                      AK 47 - Serious Seeds

                                                                                      5 Stars
                                                                                      4

                                                                                      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....

                                                                                      $7.85
                                                                                      $8.72
                                                                                      You Save:  10.00%
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                                                                                      Future #1 - Anesia Seeds

                                                                                      5 Stars
                                                                                      1

                                                                                      Future # 1 achieved the highest THC content we have ever seen, even if this was not considered possible from a physical point of view for a long time. And that...

                                                                                      $13.58
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                                                                                      Green Crack - FastBuds

                                                                                      5 Stars
                                                                                      1

                                                                                      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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                                                                                      Big Yield Auto - Phoenix Cannabis Seeds

                                                                                      5 Stars
                                                                                      1

                                                                                      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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                                                                                      THC Bomb - Bomb Seeds

                                                                                      4 Stars
                                                                                      3

                                                                                      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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                                                                                      Purple Lemonade - FastBuds

                                                                                      5 Stars
                                                                                      1

                                                                                      Purple clouds, contrasted by rich orange pistils. A perfect combination of a crystal covered purple buds, with dark green tipped sugar leaves, and rosie pink tr...

                                                                                      $13.18
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                                                                                      LSD-25 - FastBuds

                                                                                      0 Stars
                                                                                      0

                                                                                      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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                                                                                      AK 49 Auto - Vision Seeds

                                                                                      4 Stars
                                                                                      3

                                                                                      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...

                                                                                      $4.98
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                                                                                      Gorilla Glue #4 - Expert Seeds

                                                                                      0 Stars
                                                                                      0

                                                                                      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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                                                                                      Super Lemon Haze - Green House Seeds

                                                                                      0 Stars
                                                                                      0

                                                                                      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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                                                                                      Auto Strawberry Milkshake - BSB Genetics

                                                                                      5 Stars
                                                                                      2

                                                                                      Strawberry Milkshake grows like a typical indica / sativa hybrid producing a main stem, strong side branching and a thick canopy of large leaves which end up fo...

                                                                                      $7.73
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                                                                                      Pineapple Express - FastBuds

                                                                                      5 Stars
                                                                                      4

                                                                                      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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                                                                                      Girl Scout Cookies - FastBuds

                                                                                      5 Stars
                                                                                      1

                                                                                      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?...

                                                                                      $13.18
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                                                                                      Blackberry Moonrocks - Anesia Seeds

                                                                                      0 Stars
                                                                                      0

                                                                                      Blackberry Moonrocks follows in the footsteps of other legendary and unique strains of our Seedbank. It was developed from a selected extremely potent female Bl...

                                                                                      $13.58
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                                                                                      MAC - Anesia Seeds

                                                                                      0 Stars
                                                                                      0

                                                                                      Its beauty is hypnotizing and the effects are far-reaching and extremely strong. Mac improves mood, relaxes muscles, frees the mind and lets everyday stress sli...

                                                                                      $14.21
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                                                                                      LSD - Barneys Farm Seeds

                                                                                      5 Stars
                                                                                      1

                                                                                      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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                                                                                      Gorilla Zkittlez - Barneys Farm Seeds

                                                                                      0 Stars
                                                                                      0

                                                                                      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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                                                                                      Royal Gorilla - Royal Queen Seeds

                                                                                      0 Stars
                                                                                      0

                                                                                      Royal Gorilla is an insanely powerful hybrid that, until recently, was only available in the US. With THC levels that at times well exceed 25%, she gives a spec...

                                                                                      $8.10
                                                                                      $9.53
                                                                                      You Save:  15.00%
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                                                                                      OG Kush - Dinafem Seeds

                                                                                      0 Stars
                                                                                      0

                                                                                      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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                                                                                      Big Bazooka - Anesia Seeds

                                                                                      0 Stars
                                                                                      0

                                                                                      She’s a monster in fact: Buds with countless and endless resin crystals, a extremely strong High and surprisingly big and heavy yields. Big Bazooka is a pure In...

                                                                                      $13.74
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                                                                                      Critical Kush - Barneys Farm Seeds

                                                                                      5 Stars
                                                                                      2

                                                                                      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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                                                                                      Bruce Banner #3 - Original Sensible Seeds

                                                                                      5 Stars
                                                                                      1

                                                                                      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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                                                                                      Gelato Auto - FastBuds

                                                                                      0 Stars
                                                                                      0

                                                                                      One of the most desired strains from Fast Buds is finally here, Gelato Auto: a decadent dessert cannabis stoner delight....

                                                                                      $16.00
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                                                                                      Jack Herer - Sensi Seeds

                                                                                      0 Stars
                                                                                      0

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

                                                                                      $21.26
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                                                                                      Acapulco Gold - Barneys Farm Seeds

                                                                                      4 Stars
                                                                                      1

                                                                                      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...

                                                                                      $8.13
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                                                                                      Amnesia Haze - Royal Queen Seeds

                                                                                      0 Stars
                                                                                      0

                                                                                      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...

                                                                                      $8.10
                                                                                      $9.53
                                                                                      You Save:  15.00%
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                                                                                      Auto Mazar - Dutch Passion Seeds

                                                                                      5 Stars
                                                                                      1

                                                                                      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...

                                                                                      $9.42
                                                                                      :


                                                                                      Moby Dick XXL Autoflowering - Dinafem Seeds

                                                                                      5 Stars
                                                                                      1

                                                                                      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...

                                                                                      $11.28
                                                                                      :


                                                                                      Nova OG - Anesia Seeds

                                                                                      0 Stars
                                                                                      0

                                                                                      Nova OG is an Indica-dominant marijuana strain, which produces very thick and heavy buds. Broken the nugs apart, Nova OG offers and coffee aroma with lemon unde...

                                                                                      $13.58
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                                                                                      Royal Thai - Spliff Seeds

                                                                                      0 Stars
                                                                                      0

                                                                                      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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                                                                                      Orange Bud - Dutch Passion Seeds

                                                                                      0 Stars
                                                                                      0

                                                                                      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...

                                                                                      $6.05
                                                                                      :


                                                                                      Auto Critical Orange Punch - Dutch Passion Seeds

                                                                                      0 Stars
                                                                                      0

                                                                                      Auto Critical Orange Punch is a feminized Autoflower seed variety, the first Dutch Passion auto to use Critical genetics. This auto takes around 75 days to grow...

                                                                                      $5.72
                                                                                      :


                                                                                      HulkBerry - Royal Queen Seeds

                                                                                      0 Stars
                                                                                      0

                                                                                      HulkBerry is the alter-ego of The Incredible Hulk. This sinsemilla superhero is here to save head stash. Somewhere in the Rocky Mountains of Colorado, the dank...

                                                                                      $10.42
                                                                                      $12.26
                                                                                      You Save:  15.00%
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                                                                                      Pineapple Chunk - Barneys Farm Seeds

                                                                                      0 Stars
                                                                                      0

                                                                                      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
                                                                                      :


                                                                                      Sour Diesel Auto - Dinafem Seeds

                                                                                      0 Stars
                                                                                      0

                                                                                      Sour Diesel Autoflowering is a genuine Sativa that will delight those who love going through real psychedelic experiences while enjoying the most special flavou...

                                                                                      $10.75
                                                                                      :


                                                                                      Lemon Haze - Royal Queen Seeds

                                                                                      5 Stars
                                                                                      1

                                                                                      Lemon Haze is a widely acclaimed marijuana strain that is sativa dominant. Popular for its characteristic fragrance, strong effects and good yield, this strain...

                                                                                      $6.49
                                                                                      $7.63
                                                                                      You Save:  15.00%
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                                                                                      Bruce Banner - Blackskull Seeds

                                                                                      0 Stars
                                                                                      0

                                                                                      Blackskull’s Bruce Banner Strain is so powerfully relaxing it could even tame Incredible Hulk! This Sativa dominant (60:40 sativa/indica ratio) variety provides...

                                                                                      $5.39
                                                                                      :


                                                                                      Dr Grinspoon - Barneys Farm Seeds

                                                                                      0 Stars
                                                                                      0

                                                                                      Named in honour of our hero, the brilliant cannabis advocate, researcher and author Dr. Lester Grinspoon, this is a pure heirloom Sativa. The plant grows thin a...

                                                                                      $10.06
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                                                                                      Purple Haze x Malawi - Ace Seed bank

                                                                                      0 Stars
                                                                                      0

                                                                                      Purple Haze x Malawi is an old school F1 pure sativa hybrid, with strong Purple Haze dominance and improved vigour, yield and potency from our Malawi line....

                                                                                      $17.01
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                                                                                      Gelato Dream - Anesia Seeds

                                                                                      0 Stars
                                                                                      0

                                                                                      Gelato Dream combines a lot of good things: the enormous yields and massive vigor it has received from the male Loud Dream while surpassing the sweet aroma and...

                                                                                      $13.58
                                                                                      :


                                                                                      White Runtz - Anesia Seeds

                                                                                      0 Stars
                                                                                      0

                                                                                      The effects last for hours, make your mind float and hit with a heavy full-body stone that seems to slow the world down. After a sativa wave of creativity, euph...

                                                                                      $13.58
                                                                                      :


                                                                                      Kera Classic Auto - Zkittles Auto - Kera Seeds

                                                                                      0 Stars
                                                                                      0

                                                                                      Genetic background: Zkittlez Z3 x Grapefruit x Autoflower Height inside growing: 50 – 100 cm Height outside growing: 70 – 110 cm Harvest inside: Medium Harv...

                                                                                      $21.12
                                                                                      $30.18
                                                                                      You Save:  30.00%
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                                                                                      Critical Orange Punch - Dutch Passion Seeds

                                                                                      0 Stars
                                                                                      0

                                                                                      Critical Orange Punch is a feminized photoperiod seed variety, the first Dutch Passion strain based on outstanding Kritikal Bilbo genetics from Spain. The breed...

                                                                                      $6.15
                                                                                      :


                                                                                      Royal Gorilla Auto - Royal Queen Seeds

                                                                                      0 Stars
                                                                                      0

                                                                                      Royal Gorilla Automatic is the strain that is blasting autoflowering cannabis to the top-shelf like a THC-powered rocket. The dankest US West Coast genetics hav...

                                                                                      $8.61
                                                                                      $10.13
                                                                                      You Save:  15.00%
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                                                                                      Mimosa - Barneys Farm Seeds

                                                                                      0 Stars
                                                                                      0

                                                                                      Sativa lovers will adore her zesty tropical lemony citrus taste with hints of berries to accompany the energising euphoric effects. MIMOSA™ is an ideal daytime...

                                                                                      $13.85
                                                                                      :


                                                                                      Blue Cheese - Barneys Farm Seeds

                                                                                      0 Stars
                                                                                      0

                                                                                      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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                                                                                      Wild Thailand - World of Seeds

                                                                                      0 Stars
                                                                                      0

                                                                                      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...

                                                                                      $7.66
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                                                                                      Last Updated Was Exactly: Monday, 06 July 2020 23:05
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