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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 16th 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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                                                                                      AK 47 - Serious Seeds

                                                                                      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....

                                                                                      £7.42
                                                                                      £8.24
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                                                                                      THC Bomb - Bomb Seeds

                                                                                      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...

                                                                                      £2.71
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                                                                                      AK 49 Auto - Vision Seeds

                                                                                      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...

                                                                                      £3.75
                                                                                      £4.17
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                                                                                      LSD - Barneys Farm Seeds

                                                                                      LSD is a hardy mould and disease resistant plant that responds well to all growing conditions. It was given its name by the Barney’s crew because of its powerfu...

                                                                                      £6.19
                                                                                      £7.74
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                                                                                      Original Glue - Nirvana Seeds

                                                                                      Sometimes you want nothing more than to lie back, relax, and melt the problems of the world away from your day. That’s easy to do with Original Glue formerly kn...

                                                                                      £5.60
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                                                                                      Acapulco Gold - Barneys Farm Seeds

                                                                                      Barneys Farm are continually pushing the limits of marijuana genetics, improving their selection and breeding processes to create something that is truly breath...

                                                                                      £4.81
                                                                                      £6.01
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                                                                                      Auto Mazar - Dutch Passion Seeds

                                                                                      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...

                                                                                      £9.36
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                                                                                      OG Kush - Dinafem Seeds

                                                                                      OG Kush cannabis seeds by Dinafem Seeds belong to a feminized Indica-dominant cannabis strain that results from the cross between a Lemon Thai/Pakistani and a C...

                                                                                      £8.54
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                                                                                      Gorilla Glue Auto - FastBuds

                                                                                      This strain receives its name from the trichomes, that “glue up” the scissors when manicuring this baby. Gorilla Glue is a potent hybrid strain that delivers he...

                                                                                      £9.23
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                                                                                      Tutankhamon - Pyramid Seeds

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

                                                                                      £6.30
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                                                                                      Amnesia Haze - Royal Queen Seeds

                                                                                      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...

                                                                                      £6.95
                                                                                      £8.18
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                                                                                      Super Lemon Haze - Green House Seeds

                                                                                      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...

                                                                                      £7.51
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                                                                                      Critical Kush - Barneys Farm Seeds

                                                                                      Critical Kush comes from a blend of the famous Critical Mass with our own OG Kush. This is an extremely vigorous and powerful Indica plant which yields huge amo...

                                                                                      £5.20
                                                                                      £6.50
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                                                                                      Blue Cheese - Barneys Farm Seeds

                                                                                      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 creat...

                                                                                      £6.19
                                                                                      £7.74
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                                                                                      White Russian - Serious Seeds

                                                                                      These seeds produce strong, healthy, fast growing plants that are fantastic in appearance and effect. Very popular also for outdoor growing in Spain, France, It...

                                                                                      £7.06
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                                                                                      Moby Dick - Dinafem Seeds

                                                                                      Moby Dick cannabis seeds by Dinafem Seeds belong to a feminized, Sativa-dominant cannabis strain that results from the cross between a Haze and a White Widow. T...

                                                                                      £11.88
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                                                                                      Gorilla Bomb - Bomb Seeds

                                                                                      One of the most talked about and arguably strongest strains of recent years, is the Insanely sticky Gorilla Glue. Huge amounts of resin and a great sour piney a...

                                                                                      £5.17
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                                                                                      White Kush - Kush Cannabis Seeds

                                                                                      This pairing is a real heavy hitter both in yield and effect, heavy buds coated in a thick white resin, you will find the widow will give you plenty of frosty l...

                                                                                      £7.91
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                                                                                      Pineapple Chunk - Barneys Farm Seeds

                                                                                      The crossing of our famous Pineapple with our Cheese & Skunk #1 strains has created this new extremely vigorous and stable plant. This mould and disease resista...

                                                                                      £5.51
                                                                                      £6.89
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                                                                                      Dr Grinspoon - Barneys Farm Seeds

                                                                                      A strain named in honour of an amazing Cannabis advocate, researcher and author, Dr Lester Grinspoon. This is a pure heirloom Sativa which grows tall and thin....

                                                                                      £7.56
                                                                                      £9.45
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                                                                                      Blueberry - Dutch Passion Seeds

                                                                                      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...

                                                                                      £7.53
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                                                                                      Opium - Paradise Seeds

                                                                                      As you would expect with our Queen, we invested much time and energy into her preparation. By the time she stepped into the limelight she had been bred over sev...

                                                                                      £8.54
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                                                                                      Cherry Bomb - Bomb Seeds

                                                                                      Cherry Bomb is the hard hitting, big yielding strain from Bomb Seeds. The result of crossing our monster yielding Big Bomb with a unique and fruity mother means...

                                                                                      £2.71
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                                                                                      Gorilla Glue #4 - Expert Seeds

                                                                                      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...

                                                                                      £10.44
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                                                                                      HulkBerry - Royal Queen Seeds

                                                                                      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...

                                                                                      £6.95
                                                                                      £8.18
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                                                                                      Critical Haze - Resin Seeds

                                                                                      Amnesia Haze F1 female crossed with a vigorous Critical Mass male with the slected phenotype resulting in compact buds full of resin, and a great yielder....

                                                                                      £6.53
                                                                                      £7.68
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                                                                                      Liberty Haze - Barneys Farm Seeds

                                                                                      Liberty Haze is a strain created from a crossing of G13 with a fast flowering ChemDawg 91. This strain has both Indica and Sativa characteristics, and has a fas...

                                                                                      £6.34
                                                                                      £7.92
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                                                                                      Magnum - Buddha Seeds

                                                                                      The aromas and flavors of this variety are fresh and spicy stroke. Without forgetting its explosive power that creates a cerebral high that it rises in intensit...

                                                                                      £6.36
                                                                                      £7.48
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                                                                                      Ghost Train Haze #1 - Rare Dankness Seeds

                                                                                      The Original Ghost OG crossed with the Nevil's Wreck. A powerful amped up high, with the most amazing, sugary trichs. Aromas lean toward sour and hazy. The GHT...

                                                                                      £14.67
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                                                                                      Orange Bud - Dutch Passion Seeds

                                                                                      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...

                                                                                      £6.01
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                                                                                      Pineapple Express - FastBuds

                                                                                      Our Pineapple Express is a perfect combination of sensations and flavors, comparable to a fine Brandy or a handmade sports car, It's a marijuana variety created...

                                                                                      £9.24
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                                                                                      BCN Critical XXL Autoflower - Seed Stockers

                                                                                      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...

                                                                                      £2.08
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                                                                                      1024 - Medical Seeds

                                                                                      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...

                                                                                      £8.85
                                                                                      £10.41
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                                                                                      Golosa - Delicious Seeds

                                                                                      With respect to taste, Golosa (DS36) (which can be translated into English as sweet-toothed, greedy or tempting) has hints of bitter fruits such as grapefruit,...

                                                                                      £14.67
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                                                                                      White Widow - Dutch Passion Seeds

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

                                                                                      £7.53
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                                                                                      Sensi Star - Paradise Seeds

                                                                                      Strongest Indica… The strongest indica you will ever encounter, Sensi Star does not lie! This strain takes pride of place in our collection and is the seed that...

                                                                                      £12.81
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                                                                                      White Widow - Seedsman Seeds

                                                                                      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...

                                                                                      £1.84
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                                                                                      Auto Tutankhamon - Pyramid Seeds

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

                                                                                      £6.32
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                                                                                      Chocolope (aka D-Line) - DNA Genetics Seeds

                                                                                      Chocolope, which was originally named D-Line, is a novice grower's dream plant! With a uniquely heavy yield and large heavy nugs, she is extremely easy to grow....

                                                                                      £11.28
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                                                                                      White Widow - Royal Queen Seeds

                                                                                      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...

                                                                                      £5.11
                                                                                      £6.01
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                                                                                      Lemon Haze - Royal Queen Seeds

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

                                                                                      £5.57
                                                                                      £6.55
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                                                                                      Cookies Kush - Barneys Farm Seeds

                                                                                      Cookies Kush has quickly become a phenomenon within the cannabis community. This amazing strain was created through crossing our Girl Scout Cookies phenotype wi...

                                                                                      £6.19
                                                                                      £7.74
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                                                                                      LSD-25 - FastBuds

                                                                                      A certain amount of courage was required when we undertook the task of crossing the legendary strain LSD. But we challenged ourselves and weren't disappointed w...

                                                                                      £9.24
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                                                                                      Vanilla Kush - Barneys Farm Seeds

                                                                                      Vanilla Kush combines a fast flowering Afghan strain with the unique Kashmir seeds collected by Barneys in the mid-1980s. Vanilla Kush marries the Indica streng...

                                                                                      £5.51
                                                                                      £6.89
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                                                                                      Bubblegum - Serious Seeds

                                                                                      Legendary for its bubblegum sweet smell and euphoric high. Bubble Gum grows into a medium tall plant, usually not too branchy (sometimes tall) and produces comp...

                                                                                      £7.06
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                                                                                      Afghan Kush - World of Seeds

                                                                                      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...

                                                                                      £2.31
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                                                                                      Moby Dick XXL Autoflowering - Dinafem Seeds

                                                                                      Moby Dick XXL Auto cannabis seeds by Dinafem Seeds belong to a feminized autoflowering cannabis strain that results from the cross between a White Widow XXL Aut...

                                                                                      £9.06
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                                                                                      8 Ball Kush - Barneys Farm Seeds

                                                                                      Some of the very best hashish in the world is found between the mountainous border of Afghanistan & Pakistan. After many years of selectively inbreeding superio...

                                                                                      £4.51
                                                                                      £5.64
                                                                                      You Save:  20.00%
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                                                                                      Jack Herer - Sensi Seeds

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

                                                                                      £17.78
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                                                                                      Pineapple Express - G13 Labs Seeds

                                                                                      Selected Skunks got crossed with Big Bud in need to create feminized Sativa / Indica variety. Received strain is G13 Labs Seeds best seller and multiple awards...

                                                                                      £9.01
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                                                                                      Last Updated Was Exactly: Monday, 16 July 2018 02:57
                                                                                      Cannabis Seed Cart



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