Critical Jack Fem

(2 customer reviews)


Critical Jack Strain Seeds.

Recreational users will find that the effects are long lasting. People report that they enjoyed the cerebral effects and found it to be a highly sociable strain.

Buy Critical Jack Seeds online.



Buy Critical Jack Feminized Seeds.

The cross between Jack Herer and Critical Mass produces the Sativa dominant Critical Jack.  Perfect for its uplifting and energizing effects, you will be able to be very productive while using this potent strain. Highly recommended for people suffering from depression and anxiety as the high is long-lasting and powerful.

Dominant Origins

55% Sativa / 45% Indica

Parents of Critical Jack Fem

Critical Plus x Jack Herer

Typical Effects

Focus, relaxation, and a positive mood boost are common effects of Critical Jack Fem.

Terpene Profile

Terpinolene, a-Pinene, Limonene, Caryophyllene, Ocimene

Aroma & Flavour

Floral, Pine, Lemon, Sweet, Pepper, Spice


Dry mouth, Dry eyes

CBD Range


THC Range


Physical Characteristics

Pillar-like flowers bloom with short sugar leaves towering above vibrant fanleaves.

Growing Information


300 cm

Cold nighttime temperatures activate purple-pigmented anthocyanins


Flowering time:

8 – 9 weeks


600 grams/m2





1200 grams/plant

Where can I buy the Critical Jack Fem strain in the USA?

i49 USA sells the Critical Jack Fem seeds through the website or by phone at 1-888-544-4949. The Call Centre is open from 5am to 7pm PST, 7 days a week.

How can I buy the Critical Jack Fem pot seeds online?

An effective approach is to access an online weed seed bank selling Critical Jack Fem seeds and place an order through the website. Accepted payment methods include: Bitcoin; cash; personal check; money order; or wire transfer.

How long does it take to receive my Critical Jack Fem 420 seeds?

Once payment is received, i49 USA orders often ship within 1-2 business days. Most packages are received within 7-10 business days. 

Is buying Critical Jack Fem pot seeds from a local dispensary a good idea?

Cannabis seeds obtained from reputable providers like legally operating dispensaries might be high quality, but the environmental shifts from retail environments could negatively impact viability. Purchasing seeds from trusted online seed banks ensures the seeds are rarely handled and that they’re packaged and shipped in temperature/humidity-controlled containers.

What is Critical Jack Fem good for?

  • Massive Yields
  • Laughter
  • Stimulation
  • Iconic Parentage 

What are the Medical benefits of Critical Jack Fem?

  • Anxiety Relief
  • Arthritis Relief
  • Mild-Depression Relief
  • Pain Relief
  • Stress Relief
  • Migraine Relief

Looking for something similar Critical Seeds?
Check out these Strains!

Auto Critical+ 2.0 Fem


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**All Prices are in US Dollars (USD).


Get The best Critical Jack Weed Seeds For Sale From i-49.

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