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Jack 47 F1 Fast Version by Sweet Seeds is a feminized and light-dependent (depends on the amount of hours of light to bloom) cannabis strain of fast flowering; it is ready to harvest two weeks earlier than the original version, keeping the same characteristics of citric and incensed flavor and its strong cerebral-euphoric effect.

Seeds per pack

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Type and genetics

Jack 47 F1 Fast Version feminized cannabis seeds are the result of a cross between Jack 47 Auto and an elite clone of Jack 47. It is a cannabis plant that has similar characteristics to the original Jack 47 but with the advantage of being ready to harvest two weeks earlier than the original strain.


Jack 47 F1 Fast Version is a strain with a very vigorous growth and a branched structure capable of producing thick buds. It is also very easy to grow for both beginners and experts.

Aroma and taste

Jack 47 F1 Fast Version produces sweet aromas and flavors with floral and incensed tones, combined with an interesting citric touch of lemon.


The psychoactivity in this strain is noticeable, with intensely euphoric-cerebral sensations thanks to its sativa dominance. It is ideal for meetings, sharing with friends, get-togethers, etc.


Jack 47 F1 Fast Version produces dense buds that end up loaded with shiny resin towards the end of the flowering stage. In indoor crops can be harvested up to 500 - 600 g perm2 with the correct parameters, and in outdoor crops in soil the production is one of the highest of this seed bank.

Flowering indoors

Indoors this photodependent strain completes flowering in only 7-8 weeks after the respective growth phase.

Flowering outdoors

Outdoors Jack 47 F1 Fast Version will be ready to harvest in mid-September in the northern hemisphere, with a height that can reach over two meters.

Sativa/indica percentage

75% sativa / 25% indica


THC: 18 - 24%.

CBD: 1,4%.

La Huerta's opinion

Jack 47 F1 Fast Version by Sweet Seeds is a fast version strain, which means that it has a faster flowering stage than average, but without being autoflowering; big harvests in record times.

Data sheet

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

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