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The North Thunderfuck Auto seeds from Royal Queen Seeds carry a bit of their wild origin, the distant and icy Alaska. They are the result of the evolution of the legendary North Thunderfuck added with an outstanding Ruderalis. Thus, an indica-dominant autoflowering hybrid is created, which takes about 70 – 84 days to grow from seed to mature plant.

The strain has a medium-high growth profile, potentially reaching 90 – 150cm approx. For indoor crops, yield results of about 500 – 550g/m2 can be expected.

A robust and potent strain, with a powerful citrus, woody, and earthy flavor. It contains a 21% THC.

Seeds per pack

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Type and genetics

The North Thunderfuck Auto seeds by Royal Queen Seeds are a result of the evolution of the North Thunderfuck, a strain from Alaska known for its terpenic profile and fantastic adaptability to its surroundings, alongside a Ruderalis. This has resulted in a feminized hybrid with predominance of Indica, offering a new range of tasty terpenes in countless flowers and interesting yield.

The plant possesses a silhouette reminiscent of Indica strains, compact with robust lower branches that support sturdy clusters of buds, laden with fresh and aromatic resin and a visibly layered structure similar to a Christmas tree.


The North Thunderfuck Auto by Royal Queen Seeds grows confidently as it boasts very stable genetics.

  • The strain can reach a height of 90 – 150cm.

Aroma and flavor

The smoke rises fresh and in a column towards the sky. The inhale drags lime flavors with hints of smoked wood and autumn forest floor.


The North Thunderfuck Auto by Royal Queen Seeds has a THC percentage of 21%. The strain conveys feelings of pleasurable well-being, with a significant brain boost charged with positive energy that invades the entire nervous system, lightening the countless burdens of everyday life that have accumulated on the shoulders, freeing them and allowing to eliminate feelings of worry, problems and physical pain.


The North Thunderfuck Auto by Royal Queen Seeds are ready to offer good harvests, regardless of the chosen cultivation system.

In indoor cultivations, you can expect yields of 500 – 550g/m2.

  • In outdoor cultivations, harvests of 90 – 140g/plant can be achieved.

Flowering (Total Life Cycle)

Around 70 – 84 days are required to go from seed to mature plant ready for harvest.

Sativa/indica percentage

45% sativa – 55% indica


  • THC 21%

La Huerta's Opinion

The North Thunderfuck from Royal Queen Seeds is a highly adaptable strain, with a medium profile and high yield, producing flowers with a unique and very pleasant flavor.

This strain adapts perfectly to various cultivation systems, easy to grow, either in soil, hydroponics, aeroponics, etc. Originating from a cold country, it withstands adverse weather conditions well.

It is suitable for all types of growers, especially indoor growers and guerrilla growers who can leverage and enhance the productive qualities of this special genetics. Find more autoflowering seeds right here, at La Huerta Grow Shop.

Data sheet

Types of seeds
Autoflowering seeds
Indica sativa percentage
More indica (relaxing)
Flowering time
Fast Flowering (45-55 days)
Strong effect
Citric flavour
Earthy flavour
Lime flavour
Wooden flavour
Other characteristics
Easy to grow

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