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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 20th 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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                                                                                      BCN Critical XXL Autoflower - Seed Stockers

                                                                                      5 Stars
                                                                                      21

                                                                                      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...

                                                                                      $1.89
                                                                                      $2.10
                                                                                      You Save:  10.00%
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                                                                                      Big Yield Auto - Phoenix Cannabis Seeds

                                                                                      5 Stars
                                                                                      3

                                                                                      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...

                                                                                      $6.33
                                                                                      $7.04
                                                                                      You Save:  10.00%
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                                                                                      Future #1 - Anesia Seeds

                                                                                      5 Stars
                                                                                      4

                                                                                      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...

                                                                                      $14.12
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                                                                                      AK 47 - Serious Seeds

                                                                                      4 Stars
                                                                                      5

                                                                                      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....

                                                                                      $8.16
                                                                                      $9.07
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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...

                                                                                      $6.44
                                                                                      $8.05
                                                                                      You Save:  20.00%
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                                                                                      Big Bud Auto - Seed Stockers

                                                                                      5 Stars
                                                                                      7

                                                                                      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...

                                                                                      $2.55
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                                                                                      Brain Damage - Growers Choice

                                                                                      2 Stars
                                                                                      3

                                                                                      Braindamage is probably the strongest weed available at this moment.The thc and cbd levels in this strains are so high that even experienced smokers discrib...

                                                                                      $6.66
                                                                                      $8.32
                                                                                      You Save:  20.00%
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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...

                                                                                      $13.71
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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...

                                                                                      $14.79
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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...

                                                                                      $13.71
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                                                                                      Banana kush - BSB Genetics

                                                                                      0 Stars
                                                                                      0

                                                                                      Banana kush, our most recommended medicinal variety, is a very fast finishing girl which produces huge dense cola’s of THC laden bud with an intense aroma and t...

                                                                                      $7.79
                                                                                      $9.73
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                                                                                      Green Crack - FastBuds

                                                                                      5 Stars
                                                                                      2

                                                                                      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...

                                                                                      $11.08
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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...

                                                                                      $9.34
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                                                                                      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...

                                                                                      $14.12
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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...

                                                                                      $9.59
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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...

                                                                                      $11.08
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                                                                                      Auto Purple Gorilla - Short Stuff Seeds

                                                                                      0 Stars
                                                                                      0

                                                                                      Auto Purple Amnesia broke all records when 1 plant produced a massive 681g in independent test conditions and Auto gorilla OG has been wowing growers since its...

                                                                                      $9.08
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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...

                                                                                      $3.37
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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...

                                                                                      $11.08
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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...

                                                                                      $7.17
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                                                                                      Blackberry Moonrocks - Anesia Seeds

                                                                                      3 Stars
                                                                                      1

                                                                                      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...

                                                                                      $14.12
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                                                                                      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...

                                                                                      $14.12
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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...

                                                                                      $7.97
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                                                                                      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...

                                                                                      $10.84
                                                                                      $12.75
                                                                                      You Save:  15.00%
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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...

                                                                                      $8.43
                                                                                      $9.91
                                                                                      You Save:  15.00%
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                                                                                      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...

                                                                                      $10.47
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                                                                                      Nicole Kush - Growers Choice

                                                                                      0 Stars
                                                                                      0

                                                                                      Nicole kush is a very special blend that we got from one of our fellow breeders. It's a mix of a Nicole and a kosher kush. This indica dominant plant is reall...

                                                                                      $5.86
                                                                                      $7.32
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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?...

                                                                                      $13.71
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                                                                                      AK 49 Auto - Vision Seeds

                                                                                      5 Stars
                                                                                      5

                                                                                      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...

                                                                                      $5.18
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                                                                                      Mimosa EVO - 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...

                                                                                      $14.41
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                                                                                      Purple Punch - Barneys Farm Seeds

                                                                                      0 Stars
                                                                                      0

                                                                                      PURPLE PUNCH™ ... Barney’s Farm continues to bring you awe-inspiring genetics from around the globe with another USA west coast powerhouse of a strain PURPLE PU...

                                                                                      $11.14
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                                                                                      BCN Critical XXL - Seed Stockers

                                                                                      0 Stars
                                                                                      0

                                                                                      BCN Critical is another multi-award winning Seed Stockers cannabis classic, most famous for the extremely strong high which has satisfied countless growers. The...

                                                                                      $2.55
                                                                                      :


                                                                                      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...

                                                                                      $12.52
                                                                                      :


                                                                                      White Fire OG - Growers Choice

                                                                                      0 Stars
                                                                                      0

                                                                                      White fire OG is also known as WIFI. It's a mix of fire OG and the white. As the white is known for producing really high THC levels, the fire Og is known fo...

                                                                                      $7.02
                                                                                      $8.77
                                                                                      You Save:  20.00%
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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...

                                                                                      $14.29
                                                                                      :


                                                                                      Rainbow Cake - Pheno Finder Seeds

                                                                                      0 Stars
                                                                                      0

                                                                                      Rainbow Cake is derived from a cross of Archive Seed Bank’s elite Rainbow Belts and the classy Wedding Cake which has provided the basis for so many of the swee...

                                                                                      $10.27
                                                                                      $11.42
                                                                                      You Save:  10.00%
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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...

                                                                                      $11.07
                                                                                      :


                                                                                      Blackberry - FastBuds

                                                                                      0 Stars
                                                                                      0

                                                                                      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...

                                                                                      $11.08
                                                                                      :


                                                                                      Dos Si Dos 33 - Barneys Farm Seeds

                                                                                      0 Stars
                                                                                      0

                                                                                      Add in a subtle blend of Gelato #33 to the pot with its star struck Sunset Sherbet x Thin Mint GSC heritage and boom! A new champion was born: a sativa burst o...

                                                                                      $10.47
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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...

                                                                                      $14.12
                                                                                      :


                                                                                      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...

                                                                                      $8.80
                                                                                      :


                                                                                      Slurricane - Anesia Seeds

                                                                                      0 Stars
                                                                                      0

                                                                                      The plants from the Slurrican seeds are easy to cultivate, grow quickly and vigorously. With sufficient light, the plants develop into real gems that leave noth...

                                                                                      $14.80
                                                                                      :


                                                                                      Cinderella 99 Auto - Growers Choice

                                                                                      0 Stars
                                                                                      0

                                                                                      The C’99 is the holy grail of the cannabis strains. As she resembles the high and the taste of a sweet landrace sativa, which normally takes half a year to flow...

                                                                                      $5.86
                                                                                      $7.32
                                                                                      You Save:  20.00%
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                                                                                      Gelato #45 - BSB Genetics

                                                                                      0 Stars
                                                                                      0

                                                                                      The most sought after strain of recent times from the US South Coast, Gelato #45, is a monstrously potent plant with the mouth watering intense flavour of sweet...

                                                                                      $8.80
                                                                                      $11.00
                                                                                      You Save:  20.00%
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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...

                                                                                      $8.43
                                                                                      $9.91
                                                                                      You Save:  15.00%
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                                                                                      Laughing Buddha - Barneys Farm Seeds

                                                                                      0 Stars
                                                                                      0

                                                                                      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...

                                                                                      $8.46
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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....

                                                                                      $22.12
                                                                                      :


                                                                                      Auto Bruce Banner #3 - BSB Genetics

                                                                                      0 Stars
                                                                                      0

                                                                                      On average plants will reach 100cm and produce a fruity diesel flavour with sweet citric hints....

                                                                                      $6.44
                                                                                      $8.05
                                                                                      You Save:  20.00%
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                                                                                      Blue Dream - Garden of Green

                                                                                      0 Stars
                                                                                      0

                                                                                      Blue Dream is well known to professional breeders and medical consumers throughout the USA, mostly because of its enormous commercial yields, up to 500 g/m2 and...

                                                                                      $10.47
                                                                                      :


                                                                                      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...

                                                                                      $5.61
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                                                                                      Last Updated Was Exactly: Sunday, 20 September 2020 04:02
                                                                                      Cannabis Seed Cart



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