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The feminized cannabis strain Black Jack CBD is the medical version of the most outstanding strain from the extensive Sweet Seeds catalogue. It's also the strain with the highest concentration of THC and CBD of the medicinal strains by this seed bank, maintaining the exquisite lemon and incense flavor of the original strain.

Seeds per pack

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Type and genetics

The feminized cannabis seeds Black Jack CBD by Sweet Seeds are the product of a crossing between Black Jack and a Diesel specimen rich in CBD. This cross was made to obtain a plant with a high content of cannabidiol and with the taste of the original Black Jack, designed for therapeutic use.


This balanced strain grows vigorously, in addition to having a robust and branched appearance. Its stable indica/sativa genetics give it a certain resistance and ease of cultivation.

Aroma and taste

Black Jack CBD produces a very sweet aroma, with citrus touches of lemon and incense accompanied by hints of orange, with an equally special flavor. The aromas produced during flowering will be enhanced and improved with the correct curing process.


Of all the medicinal strains by Sweet Seeds, this is the one with the highest concentration of THC. The effect is clear, smooth and without anxiety. It is ideal for medicinal users who require high doses of CBD and THC, and also for recreational users looking for a strain that allows them to develop their daily activities without confusion and relaxed.


Black Jack CBD flowers with a large central bud surrounded by branches more than capable of holding decent amounts of resinous buds. Indoors you can obtain, with the right parameters, up to 400 - 600 g perm2, and outdoors up to 375 - 650 g per plant grown in soil or in large pots.

Flowering indoors

This strain finishes flowering period only 8 - 9 weeks after the relevant vegetative phase.

Flowering outdoors

Black Jack CBD will have finished its flowering stage and will be ready to harvest towards the end of September in the northern hemisphere and at the end of March in the southern hemisphere.

Sativa/Indica Percentage

50% sativa / 50% indica


THC: 10-18%.

CBD: 9-17%CBD: 9-17%CBD: 9-17%CBD: 9-17%CBD: 9-17

THC/CBD ratio: 1:1 - 1:1.5

La Huerta's opinion

Black Jack CBD by Sweet Seeds is a plant known for its medicinal benefits and also its effect, ideal for consumers who need high levels of both CBD and THC.

Data sheet

Types of seeds
CBD Seeds
Feminized seeds
Indica sativa percentage
More indica (relaxing)
Flowering time
Average Flowering (55-65 days)
Soft effect
Citric flavour
Incensed/Haze flavour
Lemon flavour
Sweet/fruity flavour
Haze strain
Skunk - Critical strain
Other characteristics
Ideal for extracts
Medicinal marihuana

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