Critical Jack Strain

Critical Jack Marijuana Strain

Strain info:

Grow info:


  • Energetic
  • Uplifted
  • Focused


  • Anxious
  • Dry Eyes
  • Headache


  • Stress
  • Depression
  • Fatigue

The Critical Jack marijuana strain is a hybrid between Jack Herer and Critical Plus. It originated in Spain but is now grown all over the world. It allows users to be focused and attentive while also providing some uplifting qualities.

You may also feel uplifted and energetic, making it a good choice for daytime use. Headaches, depression, and appetite loss are also conditions that Critical Jack can help alleviate. The adverse effects of this strain are dry eyes and mouth. If you experience these, drink plenty of water and use eye drops if needed.

The THC content ranges from 16-21%. Critical Jack has a sweet and citrusy flavor with hints of lemon and pine. Growing can occur indoors or outdoors, with a harvest time of late September to early October. The flowering time is 8-9 weeks.

If you are growing Critical Jack indoors, each plant can yield between 12 and 16 ounces. When grown outside, each plant can provide up to 24 ounces. Overall, this is a medium yielder. Critical Jack is a strain that is not too difficult to grow, making it a good choice for beginner growers.

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