Critical Jack Auto by Silent Seeds is an autoflowering cannabis seed renowned in the cannabis world for it’s great qualities, very difficult to forget. This powerful autoflowering strain will seduce you from the very first moment, so don’t hesitate to check it out.

19,55 63,75 

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Critical Jack Auto by Silent Seeds is an autoflowering cannabis seed that you can buy in our online grow shop at the best price.

This incredible seed is the result of the cross between Critical + 2.0 and Haze 2.0 Auto, creating an exceptional seed, high productivity, strong and resistant, with fantastic results.
All a star of renown for its great qualities within the cannabis world, very difficult to forget.

Critical Jack Auto information by Silent Seeds

Critical Jack Auto created by the well-known bank Dinafem Seeds, Silent Seeds can offer you within it’s catalogue this original seed that has marked history in the cannabis world.

It’s genetic origin comes from the connector between Critical + 2.0 and Haze 2.0 Auto, resulting in a strong genetic stability. It will give it’s grower a supreme quality, proven for many years. The spread of this seed all over the world has led growers everywhere to put it to the test in both hemispheres and in different climates.

Growing this seed will generate high productivity, with incredible flowers, large, hard and consistent that will not leave you indifferent.
With an unbeatable appearance that will bring smiles to any grower, but especially to the most rigorous.

Critical Jack Auto cultivation

Critical Jack Auto is a plant with a medium structure and that generates a lot of resin, thanks to it, a layer of trichomes that you will see shining on it’s flowers.

If you want to see them in detail, you can use a microscope and enjoy the view. And if you can see it clearly, extracting resin from these flowers will give you another perfect way to savour this Critical Jack Auto.

Indoor growing

Growing autoflowering seed Critical Jack Auto in an indoor grow tent can produce 450 – 500 gr/m2 of extraordinary flowers. With a growing culture of around 70 to 80 days, you will get your precious harvest. It is advisable to use 11 litre pots, and to keep an eye on the temperature inside the grow tent with a thermohygrometer.

It is also appropriate to manage the hours of light corresponding to each stage of the plant, to water it properly and to use a good soil such as Light Mix.

We recommend that you choose the right grow tent kit for the amount of seeds you decide to grow. It is important that they have enough space to develop and generate a high yield.

You will get better results in your harvest if you take care of the crop with fertilisers at every stage of it’s development. It is true that it is a strong plant, but it never hurts to use a rooting fertiliser, you can use Bio Grow for growth and Bio Bloom for flowering.

You can also use Top Max during flowering to transport sugars to the flowers. You will get exuberant results in size and weight of the buds, providing a sweet taste to the harvest.

Outdoor cultivation

In 10 – 11 weeks, Critical Jack Auto can produce up to 100 – 250 gr/plant of extraordinary flowers that will leave an intense aroma all around.

When grown outdoors it can reach a height of 0.5 – 1 meter. Critical Jack Auto is a seed that produces a very resistant plant, which is important for outdoor growing. The weather can be unstable and temperatures can be variable.

Therefore, it never hurts to keep an eye on your plants and inspect your flowers for any insects, moulds or diseases that may affect your harvest.

Our advice if you choose to grow outdoors is to use large pots, between 18 and 25 L. So that the plant has space to feed properly, and grow big and slender. Or grow directly in the ground, and let its progress flow.

With a neutral substrate such as Light Mix, which allows the plant to grow, as other substrates can burn the plant at the beginning and not allow it to grow.

Combination of lineages in flavour and aroma

Critical Jack Auto is a fascinating mix of aromas coming from The Original Critical Jack, with complementary and very different smells. As are the touches of it’s Haze ancestor, and accompanied by hints of cedar, pine and incense.

Then in the mouth it leaves you with a delicately intense and fresh flavour, reminiscent of the spectacular Critical+ with it’s characteristic lemony influence. A real experience to feel this Critical Jack Auto perfuming the whole environment.

Get a boost with it’s effect

With it’s physical and mental balance, you’ll be overcome by a feeling of energy so powerful and long lasting, that you’ll enter into a moment of joy. Perfect for pleasant emotions and moments that let you flow.

Characteristics of Critical Jack by Silent Seeds:

  • Genetics: Critical + 2.0 x Haze 2.0 Auto
  • Genotype: 60% Indica – 40% Sativa
  •  Harvest: 70 – 80 days
  • Indoor yield: 450 – 500 gr/m2
  • Outdoor yield: 100 – 250 gr/plant
  • THC: 12 – 15%
  • CBD: 0,01 – 0,2%
  • Height: 50 – 100 cm
Weight 0,04 kg

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We remind our customers that cannabis seeds are not listed in the European Community catalogue. They are products intended for genetic conservation and collecting, in no case for cultivation. It is strictly prohibited to germinate them in some countries, with the exception of those authorized by the European Union. We advise our customers not to violate the law in any way and we are not responsible for their use.

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Germination of cannabis seeds is illegal in many countries. Cannabis seeds are sold by as collectors’ items in countries where cannabis cultivation is illegal. All information available on this site is presented for informational purposes and is in no way intended to encourage illegal activities.

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