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                                                                                      12/12 Photoperiod Cannabis Seeds


                                                                                      If you’re new to cannabis seed collecting, you’ll need to start with learning the difference between 12/12 photoperiod cannabis seeds and autoflowering cannabis seeds. Whereas auto seeds have been bred in a way that means they will automatically begin to flower after a certain amount of time, photoperiod seeds rely on a change in light cycles in order to ‘know’ when to flower. Photoperiod marijuana seeds tend to rely on a 12/12 cycle of lighting, with 12 hours on and 12 hours off – hence the name! The benefits to collecting 12/12 photoperiod marijuana seeds include being able to add feminised or regular seeds that are known for being cloneable, high-yielding, and generally of a higher value to your collection.

                                                                                      Here at Seed City you’ll find a huge choice of photoperiod cannabis seeds to choose from, including famous favourites such as AK 47, THC Bomb, Euforia, LSD, Purple Haze, and more! With our price match guarantee you’ll get your photoperiod weed seeds at the lowest prices anywhere online!

                                                                                      12/12 Photoperiod Seeds

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                                                                                      Nova OG - Anesia Seeds

                                                                                      3 Stars
                                                                                      2

                                                                                      An indica-dominant strain, Nova OG produces buds with therapeutic effects for pain, anxiety, and inflammation. The thick buds produced offer a lemony taste with...

                                                                                      $37.00
                                                                                      $41.11
                                                                                      You Save:  10.00%

                                                                                      Do Si Dos - Seed Stockers

                                                                                      0 Stars
                                                                                      0

                                                                                      Indica dominant hybrid with sweet aroma, powerful high, medium height, 8-9 week bloom time, big yields, relaxing effects, candy earthy flavor.

                                                                                      $9.20
                                                                                      $10.23
                                                                                      You Save:  10.00%

                                                                                      Super Lemon Haze - Green House Seeds

                                                                                      5 Stars
                                                                                      2

                                                                                      70% Sativa - 30% Indica. THC: 19.33% CBD: 0.21% CBN: 1.15%. Citrus-like haze with balanced effects. Effective for pain and appetite. High yielding.

                                                                                      $31.99
                                                                                      $35.54
                                                                                      You Save:  10.00%

                                                                                      Sour Diesel - Royal Queen Seeds

                                                                                      5 Stars
                                                                                      1

                                                                                      Premium genetics from reputable breeder. Pungent, potent strain with global popularity and awards. Strongly Sativa effects, complex flavors.

                                                                                      $27.32

                                                                                      Wedding Cake - Flavour Chasers

                                                                                      0 Stars
                                                                                      0

                                                                                      Indica strain with sweet aroma and fruity flavor. Calming effect, high potency, good for depression, fibromyalgia, and MS symptoms.

                                                                                      $34.51

                                                                                      Gelato - Blackskull Seeds

                                                                                      5 Stars
                                                                                      1

                                                                                      Indica dominant with sweet, fruity flavor. Uplifting, euphoric effects. Balanced for pain, fatigue, headaches. High THC.

                                                                                      $18.83

                                                                                      SALE - CBD Critical Mass - Phoenix Cannabis Seeds - Phoenix Cannabis Seeds

                                                                                      0 Stars
                                                                                      0

                                                                                      High-quality strain with impressive yields. Ideal for beginners and medical users, offering a potent, relaxing effect with fruity and woody flavors.

                                                                                      $10.81
                                                                                      $21.62
                                                                                      You Save:  50.00%

                                                                                      Purple Punch - Barneys Farm Seeds

                                                                                      4 Stars
                                                                                      3

                                                                                      Indica dominant strain with sweet taste, high trichomes, and multiple awards from reputable breeder since 1992.

                                                                                      $36.07

                                                                                      Strawberry Cough - Dutch Passion Seeds

                                                                                      0 Stars
                                                                                      0

                                                                                      Potent Sativa seeds with fruity flavor and uplifting effects from Dutch Passion Seeds, known for quality genetics and 20+ years experience.

                                                                                      $39.26

                                                                                      Runtz - Seed Stockers

                                                                                      5 Stars
                                                                                      1

                                                                                      Experience euphoria with fruity, candy-like strain. Potent THC levels for relaxation. Wide selection of premium seeds with discreet delivery.

                                                                                      $9.89
                                                                                      $3.18
                                                                                      $6.37
                                                                                      You Save:  50.00%

                                                                                      Blue Dream - Nirvana Seeds

                                                                                      3 Stars
                                                                                      2

                                                                                      High-THC sativa strain for stress, depression, pain. Easy to grow, fast flowering, sweet blueberry taste. Relaxing, uplifting effects.

                                                                                      $21.25
                                                                                      $23.61
                                                                                      You Save:  10.00%

                                                                                      Mimosa - Royal Queen Seeds

                                                                                      0 Stars
                                                                                      0

                                                                                      Eye-catching strain with high THC levels, fruity terpenes, compact size, and rewarding yields. Ideal for uplifting, energetic effects.

                                                                                      $34.22

                                                                                      HulkBerry - Royal Queen Seeds

                                                                                      5 Stars
                                                                                      1

                                                                                      Potent strain created from OG Kush and Strawberry Diesel. Clear, uplifting high with fruity and fuel flavors.

                                                                                      $34.22

                                                                                      Runtz x Layer Cake - Barneys Farm Seeds

                                                                                      5 Stars
                                                                                      2

                                                                                      Potent strain with high THC levels. Large colorful buds with sweet aroma. Sold by Seed City with fast, discreet shipping.

                                                                                      $32.47
                                                                                      $36.07
                                                                                      You Save:  10.00%

                                                                                      Grandaddy Purple - Big Head Seeds

                                                                                      0 Stars
                                                                                      0

                                                                                      Indica strain with oversized purple flowers, grape aroma, and berry taste. Instant euphoria and relaxation. Easy to grow indoors or out.

                                                                                      $48.54

                                                                                      Girl Scout Cookies - Blackskull Seeds

                                                                                      4 Stars
                                                                                      1

                                                                                      Potent strain with THC up to 28%. Indica dominant hybrid for euphoric high, body effects, anxiety, depression, and appetite. Easy to grow with dense buds.

                                                                                      $18.83

                                                                                      White Runtz - Anesia Seeds

                                                                                      0 Stars
                                                                                      0

                                                                                      Popular California strain with sweet, fruity taste and high THC content. Premium seeds at Seed City with discreet worldwide delivery.

                                                                                      $41.64

                                                                                      Durban Poison - Dutch Passion Seeds

                                                                                      5 Stars
                                                                                      2

                                                                                      Complex flavor profile with spicy, hazy, aniseed, licorice, and clove notes. High THC levels provide energizing, uplifting effect for focus and productivity.

                                                                                      $28.12

                                                                                      SALE - Lost Pearl - Green House Seeds - Green House Seeds

                                                                                      0 Stars
                                                                                      0

                                                                                      70% Indica strain with 20.50% THC. Fast body high, clear head. Indoor flowering 7-8 weeks, outdoor finish by September. Fruity, sweet, high resin.

                                                                                      $7.11
                                                                                      $14.22
                                                                                      You Save:  50.00%

                                                                                      SALE - Highway 66 - Paradise Seeds - Cannabis Seed Sale Items

                                                                                      0 Stars
                                                                                      0

                                                                                      Potent strain with THC levels over 25%. Balanced exploration of aroma and flavor, enhanced terpene profile.

                                                                                      $11.11
                                                                                      $22.23
                                                                                      You Save:  50.00%

                                                                                      Jack Herer - Blackskull Seeds

                                                                                      0 Stars
                                                                                      0

                                                                                      Sativa high with fast flowering time and heavy resin. Popular for medical benefits.

                                                                                      $16.58

                                                                                      Future #1 - Anesia Seeds

                                                                                      5 Stars
                                                                                      6

                                                                                      Highly potent strain with 37% THC, stimulating high, fruity flavors, strong resin production. Suitable for relaxation, creativity, and medical use.

                                                                                      $44.56

                                                                                      Pink Starburst - Anesia Seeds

                                                                                      3 Stars
                                                                                      2

                                                                                      Premium strain with high THC, sweet terpene profile, and impressive yields. Ideal for SCROG, with medicinal benefits for stress, depression, and pain.

                                                                                      $40.58

                                                                                      Rainbow Runtz - Growers Choice

                                                                                      5 Stars
                                                                                      3

                                                                                      Elite genetics, potent effects, delicious flavor. Available at Seed City, a top industry leader in cannabis seeds.

                                                                                      $21.22

                                                                                      Captain Future - Anesia Seeds

                                                                                      0 Stars
                                                                                      0

                                                                                      High THC levels, fruity aroma, sociable effects. Ideal for indoor/outdoor growers, heavy yields, complex taste profile.

                                                                                      $44.56

                                                                                      THC Bomb - Bomb Seeds

                                                                                      4 Stars
                                                                                      6

                                                                                      Potent strain with high yields, short flowering time, and strong effects. Ideal for commercial growers and connoisseurs seeking high THC levels.

                                                                                      $3.33

                                                                                      SALE - Skywalker x Girl Scout Cookies - Seed City Bulk Cannabis - Seed City Bulk Cannabis Seeds

                                                                                      0 Stars
                                                                                      0

                                                                                      Legendary lineage, creative and relaxing effects. Relieves pain, anxiety, stress, depression. Aids sleep, easy to grow indoors. Moderate yield.

                                                                                      $65.43
                                                                                      $130.86
                                                                                      You Save:  50.00%

                                                                                      Blackberry Moonrocks - Anesia Seeds

                                                                                      4 Stars
                                                                                      2

                                                                                      Potent strain with intense effects, resin-covered buds, and unique flavor. Ideal for pain, anxiety, and sleep. Easy to grow indoors with high yields.

                                                                                      $44.56

                                                                                      SALE - Blood Diamonds - Conscious Genetics - Conscious Genetics

                                                                                      0 Stars
                                                                                      0

                                                                                      Unique cross of potent strains, frosty plant with Sour Apple Runtz traits. Medium yields in 9-10 weeks.

                                                                                      $40.94
                                                                                      $81.88
                                                                                      You Save:  50.00%
                                                                                      Last Updated Was Exactly: Thursday, 17 April 2025 19:03
                                                                                      Cannabis Seed Cart



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