Blue Monster


Blue Monster is an Indica-dominant cross between G13 x Blueberry x Northern Lights#5 x Mexican sativa. It is a very easy to grow plant, with great height and a short flowering period of 8 weeks. Its buds are rock hard and covered with a thick layer of shiny trichomes. The effects are very relaxing and therapeutic, being the perfect variety to eliminate stress, combat nausea or treat insomnia.

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Blue Monster is a feminized marijuana strain with powerful genetics. It has been developed to meet the expectations of both the beginner grower for its ease and resistance, and the professional grower for its high quality.

It is a hybrid with a slight Indica dominance, very complete in terms of taste, potency and production. In addition, it tends to show some precious tones that make it even more beautiful.

Blue Monster is a polyhybrid cross between G13 x Blueberry x Northern Lights 5 x landrace Mexicana, developed by Golden Seeds Company seedbank.

Our cheap Blue Monster bulk seeds come from a selection looking for the fastest and most productive phenotypes, always preserving the delicious flavor and potency that have made it so famous.

How to grow Blue Monster

It is not a complicated variety or one that requires too much attention. It needs a very fertile soil and maximum hours of sunlight to grow fast and produce a large amount of buds.

Blue Monster outdoors has a fast development during the first weeks. Its structure is typical of Indica, with short internodes and small dark green leaves that tend to curl towards the stem.

There are some dominant Blueberry phenotypes in which the leaves tend to acquire bluish tones. Any of them will reach an average height of two meters and will be harvested between the end of September and the first half of October.

Indoors it is a very easy to grow cannabis strain that will not complicate the grower’s life. It has a low/medium stretch, so it is advisable to let it grow to 35-40 cm before inducing flowering.

From the change of photoperiod it is harvested in about 60 days. Odors in the last two weeks of flowering are very intense, so the use of the best anti-odor system is recommended.

Blue Monster Features

The buds of this variety are of medium size but very compact and resinous. Depending on the phenotype, the flower morphology can range from elongated to spherical or conical.

The flavor is complex. First, fresh blueberry aromas and flavors are appreciated, followed by astringent, chemical, spicy and diesel undertones.

The effects are potent due to the THC levels. Initially, consumers doubt whether it is Indica or Sativa. But in a short time, feelings of relaxation dominate. It is a good treatment for stress, insomnia and nausea.

Outdoors and in larger specimens grown in favorable conditions, yields will reach 600-700 grams per plant.

Indoors and in optimized crops, a production of 500 grams per m² should be expected. It is a very appropriate variety for SOG cultivation from cuttings and it will not be difficult to exceed this figure.

What we like the most

  • Easy to grow and resistant.
  • High power.
  • Complex flavor dominated by blueberry.
  • Its low price.

What we like least

  • In bloom it is very fragrant.
  • Average production.

Frequently Asked Questions

Below we try to answer the most frequently asked questions that growers often have before growing this variety.

Additional information




Mostly Indica


G13 x Blueberry x Northern Lights #5 x Mexico



Cultivo recomendado

Interior and exterior

Tiempo de floración


Floración en interior

60 days

Cosecha en exterior

Late September / early October



Producción en interior

500 g/m2

Producción en exterior

600-800 g/plant

Altura en exterior

2-2,5 m

Aromas y sabores

Acid, Blueberry, Diesel, Spicy


Energy, Euphoria, Relaxation


15% – 20%


Low: < 1%.


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