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Sour Jack feminized seeds

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6 seeds
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The Sour Jack cannabis strain is for genuine sativa lovers that can’t get enough of sour flavors. This monster-yielder will produce a bumper-crop of sweet-sour-fuel flowers that are enough to make your head spin. She’s impressively ready for harvest in as little as 9-weeks, making her one of the fastest sativa finishers around.

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Karma Genetics
Outdoor Indoor
Sativa dominant
All characteristics

Sour Jack - Taste The Rainbow With This Cannabis Strain

The Sour Jack cannabis strain has legendary genetics as its’ backbone. Sour Diesel IBL and Jack Herer #22 were used to create this perfect sativa that has flavors reminiscent of the Warhead candies that filled our childhoods. When you’re ready for a sweet and sour cannabis strain that will make you see rainbows - pick Sour Jack.

When growing Sour Jack cannabis seeds, you need to understand her growth traits. She’s nearly a pure sativa, meaning she’ll outgrow your room - fast. She requires a very short vegetative time to keep her stretch at bay.

If you find her too tall, you’ll need to tie her down through LST or the Screen of Green method. She prefers a standard dose of nutrients, so don’t be too afraid to give her the food she needs.

  • Minimum Lighting Requirements: 600-Watt HID;
  • Flowering Lighting Requirements: 12/12;
  • Vegetative Lighting Requirements: 18/6;
  • Container Size: 15L and above;
  • EC: 1.6.

Head Stash For The Ultimate Heady Effect’

The Sour Jack cannabis strain doesn’t have a ceiling. Each puff you take will only take you higher and higher. This strain is already too strong even for those with a sizeable tolerance, so this is one to be careful with. Sweet and sour flavors dominate her terpene profile, which makes her irresistible - but also incredibly deceiving. Once you try her, you’ll be addicted to the adrenaline rush that her flowers always provide.


  • Brand Karma Genetics
  • Sex Feminized
  • Flowering type Photoperiod
  • Suitable for Outdoor
  • Suitable for Indoor
  • Effect Sour euphory
  • Genetics Sour Diesel IBL x Jack Herer #22
  • Height Medium / High
  • Yield High
  • Flowering indoors 63 - 84 days
  • Genotype Sativa dominant
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