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The feminized cannabis strain Serious 6 by Serious Seeds is a predominantly sativa hybrid with a short flowering period. It's harvested outdoors before the autumn rains and offers good yields. It has a sweet, fruity, and citrusy lemon taste. In addition, its influence is more mental than physical and energetic. Upon completing the flowering process, some samples adopt purple colors.

Seeds per pack

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Type and Genetics

These feminized Cannabis seeds, Serious 6 by Serious Seeds, are a hybrid of two strains, one from Canada and one from Africa. This combination produces a plant with quick flowering time, a sweet, fruity flavor and a clear sensation of mental euphoria and happiness.


This strain grows robust and is tall in stature. It displays sativa characteristics and is resistant to mold and humidity. It can adapt to outdoor growing conditions throughout most of Spain.

Aroma and Flavor

Its taste is sweet, fruity, and citrus-like, with touches of anise and spices.


The influence of Serious 6 is active, cerebral, joyous, and euphoric. It's ideal for social gatherings, creative activities, or just hanging out with friends.


It yields high quantities of large buds filled with aromatic resin. They tend to take on purple and pink hues in their pistils, calyxes, and leaves.

Indoor yields measure around 400-550 g per m2, while outdoor yields are 600-800 g per plant when grown in soil.

Indoor Flowering

Indoor grows can be harvested after 49 - 56 days of flowering, following the appropriate growth cycle.

Outdoor Flowering

Outdoor grows are harvested from mid to late September in the Northern Hemisphere and in late March in the Southern Hemisphere. This is a tall plant.

Sativa/Indica Percentage

This is a Sativa-dominant hybrid.


  • THC 17%


  • 3rd place Best Sativa Expogrow Irun 2013
  • 2nd place Bio 2013 HighLife Cup

La Huerta's Opinion

Serious 6 by Serious Seeds is an award-winning Cannabis strain with excellent yield and intense, well-defined flavor. For indoor grows, it's recommended to allow a growth period of about 3-4 weeks before flowering to maximize yield. This strain is highly recommended for any type of grower, in particular, outdoor and guerrilla growers. Also suitable for growers in humid climates.

Data sheet

Types of seeds
Feminized seeds
Indica sativa percentage
More sativa (stimulating)
Flowering time
Average Flowering (55-65 days)
Strong effect
Citric flavour
Spiced flavour
Sweet/fruity flavour
Landrace strain
Other characteristics
High yield
Humidity resistant

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