• SENSI 1318 CBD
  • SENSI 1318 CBD


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The Black Harlequin seeds of Sensi Seeds represent the culmination of numerous crossings of sativa genetics to reach the perfect mixture between Harlequin and Black Domina. The result is a feminized hybrid of equal percentages 50% sativa - 50% indica, which takes about 55 - 65 days of flowering to offer thick and mature flowers.

It is a strain with a medium growth profile that can stretch up to 60-120cm approx. In indoor plantations, yields of about 450g/m2 can be achieved.

A strain rich in CBD, with a fantastic floral, woody and earthy taste. It has percentages of 9% THC - 8% CBD, resulting in a plant with a 1:1 ratio of medicinal application, always and exclusively, under professional medical recommendation.

Seeds per pack

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Type and genetics

The Black Harlequin seeds of Sensi Seeds come from the cross between Black Domina and Harlequin, an American strain with high levels of CBD. This mix results in a feminized hybrid of equal percentages 50% sativa - 50% indica that improves the organoleptic profile of its parents while retaining their percentages of cannabinoids.

It is a dense, compact, light green plant with fan-shaped open leaves. It has good lateral branching, it is able to create robust branches with large flower tails at their tips.


The Black Harlequin of Sensi Seeds is a plant with a medium growth profile, suitable for any type of growing system and that reacts positively to techniques such as SOG, SCROG and LST.

  • It is a plant that can reach 60 - 120cm approx.

Aroma and taste

One of the best qualities of the Black Harlequin of Sensi Seeds is its fantastic fragrance and its accentuated taste, very far from the commercial varieties which could be found in stores. Its perfume reveals fresh and fruity notes that awaken the senses.

The puff is smooth and refreshing, emerging a premium smoke that rises with little permanence in the air. It carries woody flavors, freshly cut wood, black earth stirred with the hands and unleashes a floral symphony at the end of mouth.


The Black Harlequin contains a balanced ratio 1:1 THC - CBD with percentages of cannabinoids at 9% THC and 8% CBD. The effect will be mild, almost imperceptible for veteran growers but could be very appreciated by first time growers, medical growers and growers who want a strain with mild effects that they can consume at all times without the psychoactive effect.

The body relaxation is noticeable, providing a moment of rest and light relaxation.

This strain is qualified as medicinal for the treatment of various ailments, such as insomnia or anorexia nervosa, only and exclusively under professional medical recommendation .


The genetics of the seeds Black Harlequin of Sensi Seeds is destined to develop plants capable of good harvests.

  • Indoors, the plants can produce flowers in good proportion, around 450 g/m2.
  • Outdoors, these strains can produce between 100 - 150g/plant.

Flowering in indoor crops

It will take 55 - 65 days of flowering to reach a harvest of mature flowers.

Flowering in outdoor crops

In outdoor plantations, harvesting can begin at the end of September - beginning of October .

Percentage sativa/indica

50% sativa - 50% indica


  • THC 9%
  • CBD 8%

La Huerta's opinion

Sensi Seeds Black Harlequin is a fantastic strain for medicinal use. It has an excellent taste and is a good yielder, also resistant against pests and fungal infections.

It is recommended for all types of growers, especially for indoor growers, people looking for a break from THC or medicinal self-cultivators who want to start experimenting with alternative therapies, always under medical advice only.

Data sheet

Types of seeds
CBD Seeds
Feminized seeds
Indica sativa percentage
50% S-I Hybrid (balanced)
Flowering time
Average Flowering (55-65 days)
Soft effect
Earthy flavour
Sweet/fruity flavour
Other characteristics
High yield
Medicinal marihuana

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