Critical Jack Auto
Genetics: Critical+ 2.0 x Haze 2.0 Auto Family tree ↓
- THC 15%
- CBD 0.5%
- Flowering Time From 70 to 80 days
- Yield 63 g/m²
EFFECTS
Critical Jack: family tree
- Parents
- Critical × Jack Herer
- Grandparents
- Afghani Skunk #1 Haze Northern Lights Shiva Skunk
- Landrace roots
- Afghani Acapulco Gold Colombian Gold Colombian Mexican South Indian Thai
Other sources say (4)
- Critical Plus × Jack Herer Beaver Seeds, Crop King Seeds, I Love Growing Marijuana
- Critical 2.0 × Haze Blimburn
- Critical 2.0 × Haze 2.0 Silent Seeds
- Critical Mass × Jack Herer WeedSeedsExpress
Lineage as declared by the seedbanks: sometimes they disagree.
Price Comparison Table — Critical Jack Auto
| Vendor | 3 Seeds | 5 Seeds | 10 Seeds |
|---|---|---|---|
Mr Hanf
Best price
|
€23.01 €7.67 / seed | €34.75 €6.95 / seed | €71.30 €7.13 / seed |
Zamnesia
|
€23.00 €7.67 / seed |
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Price history
One line per shop, in the colour of its logo. Each step is a price change we recorded since 20/10/2026. Prices in euro.
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Zamnesia -
Mr Hanf
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Mr Hanf
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Mr Hanf
Description from Silent Seeds
Critical Jack Autoflowering by Silent Seeds
Critical Jack Autoflowering from Silent Seeds is the autoflowering version of the popular Critical Jack strain. This remarkable hybrid was created by crossing two of Silent Seeds' top clones: Critical+ 2.0 and Haze 2.0 Auto. The result is a fast-finishing, high-yielding plant that surpasses its parent in quality.
When it comes to yields, Critical Jack Autoflowering excels in outdoor settings, where it can produce an impressive 100–230g per plant. Indoors, it still delivers strong results, averaging 25–100g/m² of premium cannabis. Its combination of quality, productivity, and speed sets it apart from other autoflowering strains.
This strain is a sensory delight, with a sweet and caramel-like aroma that fills the air. The buds are dense and coated in large trichomes, offering a visual feast. Flavor-wise, it delivers an exotic mix of spices and sweetness that satisfies even the most discerning palates. The effects begin with a strong cerebral and physical high that gradually transitions into a soothing full-body relaxation.
Critical Jack Autoflowering is potent and sedative-like, making it not only a favorite among recreational users but also a valuable option for medical purposes. It can help alleviate symptoms of chronic pain, muscle tension, migraines, and insomnia. Compared to another strain from the same breeder, Critical+ 2.0 Autoflowering, it offers a more balanced experience with a less intense finish.
With a genetic makeup of 60% Indica and 40% Sativa, this strain has a flowering time of 11–12 weeks from seed to harvest. It is suitable for both indoor and outdoor cultivation and has a moderate grow difficulty. The THC content is around 15%, while CBD levels are minimal (0–1%).
Critical Jack Autoflowering is available as feminized seeds, making it ideal for growers looking for ease and consistency. It reaches a height of 90cm indoors and remains short outdoors. Whether you're an experienced grower or just starting out, this strain is sure to impress with its performance and quality.
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