Critical Jack Critical Jack Herer

Cannabinoid THC Dominant

THC 20.5 - 22.75%

CBD 0.64 - 0.88%

Effect Happy

Side Effect Thirst and dry mouth

Taste Citrus

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All About Critical Jack Weed Strain


High Highest
20% 23% 26% 29% 32% 35%


Low Medium
0% 0.4% 0.8% 1.2% 1.6% 2%


Newbie Skilled

Critical Jack is a slightly Sativa hybrid cross that took its genetics and name from well-known parents - Jack Herer and Critical Puls. This weed's THC content reaches 25% and does not trigger the cough and hard high, which makes it best reserved for both novice and seasoned smokers.

Critical Jack Smell and Aroma

Users enjoy its fruity, pine, and floral flavor. This marijuana delivers a fantastic smell of sour-sweet fruits and flowers with lemon overtones.

Critical Jack Effects

Variety consumers for its head-focused, uplifting cerebral high love Critical Jack strain that was created by an unknown breeder, which is believed to be Dinafem. This cannabis produces a long-lasting high leaving consumers happy, focused, euphoric, and creative. It provides an energetic state and helps to pay attention to work or daily businesses and turn them into a creative way.

Critical Jack strain's relaxation effect once settled in the body does not leave users sedated and couch-locked. Due to its effects, this kush is recommended for morning or daytime use.

Its medical benefits include mental and physical effects. This weed is useful to reduce stress, chronic fatigue, depression, and anxiety. It also carries an analgesic effect that works against chronic pain, different aches, and muscle spasms. Critical Jack weed strain helps to combat eating disorders like appetite loss and nausea.

Grow Info

This fast-growing plant requires 57-60 of the flowering period when grown indoors. Its seeds are available at online shops.

Side Effects

Thirst and dry mouth 92% Voted
Dry eyes 84% Voted
Dizzy 38% Voted
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Critical Jack Strain Cannabinoids

  • THC Tetrahydrocannabinol, or THC, is a major cannabis chemical compound. It is a psychoactive element that stimulates dopamine release and induces euphoria or happiness. THC-rich strains may be helpful with such conditions as lack of appetite, chronic pains , etc. It is considered to be the primary active marijuana component. 20.5 - 22.75%
  • CBD Cannabidiol, or CBD, is a major compound in cannabis, which is non-psychoactive. It is also proved to counteract the side effects of the second major component THC. CBD is widely used for medicinal purposes in rubs, oils and so on. It is helpful in muscle pain cases, may treat arthritis and migraines. Even Greeks used it against pain, while Queen Victoria applied it to get rid of menstrual cramps. 0.64 - 0.88%
  • CBC Cannabichromene, or CBC, is a minor cannabinoid, meaning that its quantity in cannabis is quite little. Though it has the same origin as CBD and THC, it is different in functions. Without any psychoactive effects, it is an efficient cannabis compound in combating acne and depression. CBC produces analgesic, antibacterial and anti-inflammatory effects. 0.27 - 0.88%
  • CBG Cannabigerol, or CBG, is one of the minor cannabis compounds in adult plants. On the other hand, young ones contain a lot of this antibacterial and anti-inflammatory component. During the growth, CBG is converted into different cannabinoids, mostly THC and CBD. The compound itself increases appetite and decreases eye pressure. 0.12 - 0.87%
  • CBN Cannabinol, or CBN, is a trace element in cannabis that is considered to be mildly psychoactive. It appears from oxidation THC, exposed to light and heat. CBN is mostly contained in old cannabis and in traditional hashish. It is effective against insomnia, bacterial infections and appetite loss. 0.1 - 0.2%
  • THCV Tetrahydrocannabivarin, or THC-V, is a compound contained in cannabis in trace amounts. Even though it is close to THC molecularly, it is different in effects. This compound may be psychoactive only in large amounts. THC-V reduces blood sugar, controls appetite, stimulates bone growth, etc. African Sativa strains are the richest in THC-V. 0.32 - 0.84%

Critical Jack Terpene Profile

Pinene 0.15%
Myrcene 0.13%
Ocimene 0.05%
Humulene 0.03%
Limonene 0.05%
Linalool 0.01%
Valencene 0.14%
Terpinolene 0.21%
Phellandrene 0.16%
Caryophyllene 0.08%
Total terpenes content 1.01%


Dinafem Seeds

Grow info

Flowering time 49 - 60 Days
Flowering type Photoperiod
Grow difficulty Easy
Harvest time 68 Days
Yield outdoor 15 - 20 Oz/plant (~ 550 g/plant)
Yield indoor 0.5 - 1 Oz/Ft² (~ 300 g/m²)
Height indoor 60-80
Height outdoor 60-80

Critical Jack strain lineage

Critical Jack Relationship between terpenes and tastes

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User Reviews 11


I have never been keen on starins that smell bad, feel like it takes away from the experience. This bud smells and tastes great. It also gives a really nice mind high without the danger of being glued to the couch. Instead of being sedantry I was pumped and productive

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Do not like mind highs

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Helped a lot with pain

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Loving the smell

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Love on my mind

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got to love the fruit

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Got through tons of items on my to do list for the day

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Hate the fact that I bought this dead stuff - fails to awaken my senses

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Alessandra Antos

Absolutely love the way my head worked on this strain

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Reckon I got a perfect dose that was close to the 25% THC mark

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Am glad that I was not stuck on the couch the wholle day

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