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Jack Herer feminized seeds (Kera Seeds)



Jack Herer from Kera Seeds: Be A Part of Cannabis History WIth This Strain

The Jack Herer cannabis strain is set to go into the history books now that legalization is spreading throughout the world. Everyone will soon know the name of Jack Herer, as well as this Sativa’s potent cerebral effects. This feminized version allows you to indulge in all the classic traits that’ll leave your mind in the clouds.


When growing feminized Jack Herer cannabis seeds, it’s imperative that you provide ample space for her to grow. She is not shy and will blow past the rest of your plants with relative ease. Expect plants that will grow upwards of 120cm if left alone.

Jack Herer is a perfect candidate to grow using the Screen of Green technique. She responds well to topping, which will increase the number of sites where buds can grow. It is best to use a 600-watt HID (or greater) or an equivalent LED.

  • Plant to Lamp Distance: 40cm
  • Watering Volume Per Plant: 0.25-0.50 Liters per 24-Hour
  • Container Size: 11L and Above
  • EC: 1.6
  • Indoor Humidity: 65% or Less

It’s Time To Become Elevated

When you need an escape from your reality, Jack Herer is here to help. This ultimate Sativa packs a massive amount of THC that will motivate your mind to pursue creative thoughts. Any form of depression will fade away, and you will likely find yourself grinning non-stop. This is the ideal strain to make a dull day into an action-packed day.



  • Brand

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

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    Kera 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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    Energy from the inside
  • Genetics

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

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    Haze x Northern Light x Skunk
  • Height

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

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    80 - 110 cm indoors
    90 - 120 cm outdoors
  • Harvest

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

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  • 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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  • % 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 %
  • CBD

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

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*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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