Jack 47 XL Auto feminized seeds



Jack 47 XL Auto - Putting Cannabis Production into Cruise-Control

The Jack 47 XL Auto strain comes from a long line of careful selection. It’s currently on its 3rd generation, and this autoflowering beauty is notable for its tall stems and abundant resin coverage. She grows with extreme vigor, making her one of the best strains that your stable will ever see.


Growing Information

Jack 47 XL Auto cannabis seeds are capable of growing upwards of 130cm. Since this is an autoflowering strain, it’s essential to understand that you won’t get to dictate a vegetative or flowering phase. This plant will know internally when to switch to the flowering phase, so you should allow her ample room to grow.

Don’t underestimate the yield potential because this plant is an autoflowering strain. You can expect upwards of 600g/m² of highly potent flowers. Since Jack 47 XL Auto finishes so fast, you should grow her in the SOG style.

Additional Information

  • Lighting Requirements: 18/6.
  • Lighting: Indoors - 600-watts HID; Outdoors - Full sun.
  • Container Size: Small.
  • Outdoor Yield: 200-grams per plant.

Extra Large Buds in Half The Time

The first thing you’ll think about after consuming Jack 47 XL Auto is: is this really an autoflowering strain? The answer is yes, but you’ll quickly forget the question as Jack 47 XL Auto’s 20% THC content erases your mind of any thoughts. Expect an energetic and uplifting high, as well as appetite stimulation.



  • 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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    The power of High
  • Genetics

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

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    Jack 47 Auto
  • Height

    This is how tall the plant can become. Use this info when planning your grow space.

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    65 - 130 cm
  • Harvest

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

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    475 - 600 g/m² indoors
    60 - 200 g/plant outdoors
  • From seed to harvest

    Total time required to fully grow a plant, from germination to harvest.

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    63 days
  • % Sativa/ Indica/ Ruderalis

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

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    76,9% Sativa / 20% Indica / 3,1% Ruderalis
  • THC

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

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    18 - 21 %
  • CBD

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

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    0.1 %

*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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Pack size :
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5+2 seeds
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