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The feminized autoflowering marijuana strain Jack 47 Auto from Sweet Seeds allows several harvests per year in a discreet way, with all the flavor of the original Jack 47. It produces a strong sativa-dominant effect, and may be the most potent autoflowering strain available from this renowned bank.

Seeds per pack

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Type and genetics

Jack 47 Auto feminized marijuana seeds by Sweet Seeds are the result of crossing a Jack Herer Auto plant and an AK 47 elite clone to obtain an autoflowering variety of great potency and sweet taste.


Jack 47 Auto is a plant that grows very strong, and its discreet height makes it ideal for cultivation in exposed balconies or those who do not have much space. Remember that the autoflowering varieties are susceptible to the incarceration of its roots during the first weeks, so we recommend watering more often, but with little amount of water.

Aroma and taste

The aroma and flavor of this variety are sweet and lemony, with fresh and intense hints of incense. With a good curing process it is possible to take full advantage of the aromatic profile of this variety.


The feeling produced by this variety is euphoric accompanied by a long lasting physical relaxation. Jack 47 is one of the most potent autoflowering varieties of this renowned seed bank.


Jack 47 Auto is a very productive plant, capable of giving a large amount of resin-covered buds. If grown indoors under the correct parameters, yields of up to 450 - 600 g per m2 are obtained, and outdoors it can produce between 50-200 g per plant.


Outdoors it is ready to harvest in 9 weeks from the appearance of the first leaves. It finishes flowering with a height of 50 - 120 cm. The buds produced by this variety are very dense, so we recommend to avoid its cultivation in rainy climates.

Percentage sativa/indica

76.9% sativa / 20% indica / 3.1% ruderalis


THC: 18 - 21%.

CBD: 1,1%.

La Huerta's opinion

Jack 47 Auto from Sweet Seeds is a variety that, besides being really easy to grow, turns out to be one of the most powerful autoflowering varieties of this seed bank.

Data sheet

Types of seeds
Autoflowering seeds
Indica sativa percentage
More sativa (stimulating)
Flowering time
Average Flowering (55-65 days)
Medium effect
Citric flavour
Incensed/Haze flavour
Lemon flavour
Sweet/fruity flavour
Haze strain
Other characteristics
Easy to grow
Ideal for extracts

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