Blockhead Strain

Blockhead is a spicy and herbal strain that is easily recognizable, with its dark green buds specked with deep purple undertones. This plant grows into a short bushy size, and yields quite well, as it can grow densely and heavy on the branches.

Sativa/Indica %Indoor YieldOutdoor YieldFlowering Period
35% / 65%13oz/ m217 ounces per plant8-9 weeks indoors, mid October outdoors.

Blockhead is an Indica dominant hybrid that was created by the infamous Genehtic Seeds Farms. This sublime strain is known for its potent mind and body relaxation, coupled with a body heavy stone that will leave you couch locked and unable to stay active.

This bud is said to be a cross between Sweet Tooth and a mystery strain, and its exact origins are often disputed among connoisseurs. Blockhead was aptly named, as its effects tend to have a potent effect on the mind, and can also be used for medicinal purposes and to treat chronic and hard to manage pain.

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    Information about Blockhead:

    ORIGINSweet Tooth mixed with unknown strain
    EFFECTSrelaxed – 10
    euphoric – 8
    uplifted – 7
    happy – 4
    hungry – 3
    dry eyes – 9
    dizzy – 1
    headache – 1
    paranoid – 1
    FRAGRANCEcitrus, earthy, lemon, pungent, sweet
    FLAVORSpungent, woody, flowery, berry, blueberry, lemon, pine, sweet, tangy
    MEDICALpain – 10
    fatigue – 9
    depression – 8
    lack of appetite – 2
    stress – 2
    THC CONTENT %17%-23%
    CBD %1%
    INDICA / SATIVA %65%/35%
    INDOOR YIELD13oz/ m2
    OUTDOOR YIELD17oz/ plant
    CLIMATEwarm and dry mediterranean outdoor climate
    RESISTANCE TO DISEASEresistant to common molds and mildew

    * 10 is the highest
    * 1 is the lowest


    Blockhead is most effectively used as a tool to induce an undeniably relaxed state of both the mind and body. This strain is ideally used in the evenings, as it can render you couch locked, limiting your productivity, as it will push you to focus solely on feeling chilled out.

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    The strain’s effects will start off as a sudden onset of euphoria, which will make you feel incredibly elated and influence you to smile. Blockhead will keep you in a steady and uplifted mood, and this can last you for its entire high, and you will find yourself feeling giggly, yet getting lost in your thoughts.

    Blockhead Effects
    Blockhead Effects – Image powered by

    Blockhead can easily turn your frown upside down, as it is perfect for perking up your mood and maintaining a happy and carefree vibe. You’re very likely to get hungry, as the munchies will start to set in after a while, and you will want to venture out on a mission to find some snacks.


    Blockhead is a strong smelling variant that will make you think of sour citrus and fresh lemons, as soon as it enters the room. This strain contains hints of earthiness and sweetness, within an all-around pungent aroma that will make your nose itch.


    Blockhead is as interesting in its flavors as its aroma suggests. This train will first taste pungent and tangy on the inhale, with sour pine and lemon waking up your senses. On the exhale, you will taste a woody and flowery flavor, mixed in with sweet berry and blueberry, to make things more interesting.

    Adverse Reaction

    Blockhead can be quite strong with THC levels reaching up to 23% at times, so it is normal for you to experience some minor side effects. This strain will definitely make your mouth feel dry, and your eyes somewhat irritable and dry, leaving you to feel dehydrated.

    Blockhead Adverse Reaction
    Blockhead Adverse Reaction – Image powered by

    Other adverse reactions to smoking this strain can include a general state of dizziness, which does not tend to last very long. Blockhead can in some cases make you feel a little bit paranoid, and even give you a mild headache in the end, but this is generally a rare occasion.


    Blockhead is a potent indica-dominant strain, that is known for its many medicinal benefits. This strain is first and foremost used in the treatment of chronic pain, such as chronic migraines, back aches, muscle spasms and even conditions such as glaucoma and eye pressure.

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    Other medical conditions that can be treated with this potent plant, include chronic fatigue and depression. Blockhead can be very uplifting, leading the patient to just feel more motivated and optimistic, and allowing him to think with a clearer head than usual.

    Blockhead Medical
    Blockhead Medical – Image powered by

    Blockhead can help reverse a lack of appetite, encouraging the patient to eat normal size meals again. This is a especially useful for those patients who have undergone chemical treatment such as chemotherapy and radiation, and consequently suffer from chronic nausea, affecting their appetite.

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      Blockhead can be easy to grow and is happiest outdoors for as long as it can enjoy a warm and dry Mediterranean climate. This strain grows into a beautiful green and purple plant, with branches heavy with nugs that are specked with crystals and trichomes.

      Flowering Time


      Blockhead grown indoors can be expected to yield an estimated average of about 13 ounces per square meter planted. This strain takes an average of about 8 to 9 weeks to finish flowering and be ready for harvest.


      Blockhead growing outdoors can yield an average of 17 ounces per plant, and should be ready for a harvest around the middle of the month of October, on average.


      1. Sweet Tooth
      2. Unknown

      FAQ About Blockhead Strain

      What is the Blockhead strain yield?

      Blockhead yields 13 oz/ m2 indoors and 17 ounces per plant outdoors.

      How much THC does Blockhead have?

      From 17% up to 23% THC.

      What are the origins of the Blockhead strain?

      Blockhead was created from a mix between Sweet Tooth mixed and unknown strain

      Have you ever smoked or grown your own Blockhead? Please let me know what you think about this marijuana strain in the comments below.


      Robert Bergman

      Robert Bergman is an Amsterdam-based marijuana grow expert who has years of experience from small grows to massive operations. His passion for growing lead him to develop his own Gold Leaf strain. Now, Robert is dedicated to sharing his knowledge with the world.... [Read full bio]


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      • Avoid Common Grow Mistakes

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