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Pyramid Seeds' Romulan cannabis strain is an old-school American classic, featured in the seed collections of numerous US banks for decades. This exotic blend of unknown origin gives way to a predominantly indica feminized hybrid. It's speculated that it was developed in the years following the Korea-US war, brought to light by Pyramid Seeds.

As the flowering phase advances, it takes on purple hues.

Seeds per pack

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Type and Genetics

Though its name pays homage to an extraterrestrial civilization from Star Trek, the cannabis strain Romulan by Pyramid Seeds is a classic, with its roots extending back to the 1950s. It's believed to combine Ecuadorian and Korean genetics, traceable to the region after the war, which were, in turn, blended with Mexican and Colombian strains.


It grows vigorously, branching out to medium height. In the advanced flowering phase, some leaves take on purple hues. It can tolerate medium to high doses of fertilizer during the growth phase.

Aroma and Flavor

Pyramid seeds' Romulan offers sweet and intense flavors, with notes of pine and a spicy undertone.


It starts with a euphoric high, evolving to a physically relaxing and mentally calming state. It's perfect for stress relief, peaceful entertainment, appetite stimulation, and stress management.


Indoor grows can yield approximately 300 g per m2, while outdoor grows can yield up to half a kilogram per plant when grown in soil.

Indoor Flowering

Romulan by Pyramid Seeds will need between 50 - 60 days of flowering to complete its cycle.

Outdoor Flowering

It's harvested from the end of September to the beginning of October in the Northern Hemisphere and at the end of March in the Southern Hemisphere.

Sativa/Indica Percentage

25% Sativa - 75% Indica


  • THC: 24%
  • CBD: <1%

La Huerta’s Opinion

Romulan by Pyramid Seeds is an American old school classic, fast-growing and produces a generous yield of delicious tasting buds which can captivate even the most seasoned grower. 

It's suitable for all types of growers, especially for outdoor growers, guerilla growers, and those who love spicy flavors.

Data sheet

Types of seeds
Feminized seeds
Indica sativa percentage
More indica (relaxing)
Flowering time
Fast Flowering (45-55 days)
Strong effect
Pine Flavor
Spiced flavour
Spicy flavour
Sweet/fruity flavour
Other characteristics
Easy to grow

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