Black Jack F1 Fast Version feminized seeds



Black Jack F1 Fast Version - The Faster, the Better

Black Jack F1 Fast Version is an improved version of the famous Black Jack from Sweet Seeds. This feminized non-auto-flowering strain is a hybrid that comes to life from the crossing of S.A.D (Sweet Afgani Delicious Auto) and Jack Herer. What makes it very special is the little time it requires to grow. It has the delicious taste of Black Jack and notable vigorous buds.


Black Jack F1 Fast Version is listed among the fastest and most productive strains. It requires only seven weeks to offer you its fruits. The plant grows to a medium height and has long strong branches. It can be cultivated both outdoors and indoors, and in a suitable environment, it can reach to a maximum of 600-700g yield per plant. The perfect time to harvest the crops outdoors is mid-September. It has all the good characteristics of the classic and so appreciated Black Jack but you don’t have to wait that long to enjoy it.

  • It is made of 50% of Indica and 50% of Sativa.
  • The THC percentage might to up to 21%.
  • Outdoor it can produce an amazing amount of 600-700g per plant.

Looooong Lasting Relaxation with Medical Benefits

From the flowers of Black Jack F1 Fast Version comes a distinctive aroma of spices and lemon that makes you long to taste it. Its effects are as warm and calm as its smell. A state of serenity is well-balanced between your mind and your body. With an elevated THC content of 16-21%, it eases your muscles with a relaxing long lasting effect!



  • Brand

    AKA seed bank. They create and preserve cannabis genetics, then we get them to you.

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    Sweet Seeds
  • Type of seeds

    Regular or feminized. Pick feminized if you want female plants only.

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  • Type of seeds

    Either autoflowering or photoperiod. Both have their pros and cons, but growing autos is easier.

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  • Suitable for growing

    This strain is perfect for growing both indoors and outdoors.

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    Indoor, Outdoor
  • Effect *

    Each strain produces a certain effect on your body. This is what you can expect from this variety.

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    Light feeling
  • Genetics

    Genetic composition of the strain. Shows parent strains that were used to create this particular variety.

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    S.A.D. x Jack Herer
  • Harvest

    This is how much bud you can get from this variety come harvest time.

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    500 - 600 g/m² indoors
    500 - 700 g/plant outdoors
  • Indoor flowering time

    The length of the flowering stage for photoperiod strains, or seed-to-harvest time for autoflowers.

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    49 - 56 days
  • Outdoor finish

    This is when your plant will be ready for harvest when grown outdoors. Make sure it's still warm enough by then!

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    Mid September
  • % Sativa/ Indica/ Ruderalis

    The ratio of Sativa/Indica/Ruderalis in this particular variety.

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    50% Sativa / 50% Indica
  • THC

    The main psychoactive compound in cannabis. The higher THC level, the more potent the strain.

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    16 - 21 %
  • CBD

    This compound doesn't get you high but is known to be highly medicinal and calming.

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    1.1 %

*Herbies sells cannabis seeds exclusively as souvenirs that aren’t meant for cultivation or germination. Customers should be aware that the germination of cannabis seeds is illegal in most countries. Herbies sells cannabis seeds exclusively for collecting and preservation for future generations. We advise customers to check with their local laws before germination, as Herbies does not accept responsibility for the illegal use of our products.

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