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The Ultimate Ak feminized cannabis strain is Sumo Seeds' version of the renowned Dutch strain, AK-47. It is easy to grow and high-yielding, ensuring great results with no hassle. The Ultimate Ak from Sumo Seeds boasts a sweet flavor and a stimulating, cheerful effect. It's highly recommended for resin extractions.

Seeds per pack

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Type and Genetics

These feminized cannabis seeds, Sumo Seeds' Ultimate Ak, are the result of the cross between a powerful clone of AK-47 and Sumo's Big Bud, resulting in a unique version of AK-47 that's easy to grow and provides a strong energetic effect.

Sumos’s Big Bud is a cross between Big Bud X New Big Bud.


Ultimate Ak is a simple strain to grow, resistant to both low and high temperatures. It prefers medium to high nutrient dosages. It's a strain suitable for both novice and experienced growers aiming for a hassle-free harvest.

Aroma and Flavor

Sweet and fruity with floral notes


The cannabinoids present in Ultimate AK provide a stimulating sensation of joy, wellbeing, and relaxation. It's perfect for unwinding after a long day, easing stress, chronic pain etc.


Indoor yield ranges from 420-520 g per m2 and outdoor yield can hit up to 650-750 g per plant grown in soil.

Indoor Flowering

Harvesting occurs after a 9-week flowering period following the requisite vegetative phase.

Outdoor Flowering

Harvesting takes place in early October in the Northern Hemisphere and in early April in the Southern Hemisphere. Produces a plant of average height.

Sativa/Indica Percentage

55% indica 45% sativa


THC: medium CBD: medium


3rd prize in the Bio category at the 2017 Amsterdam Highlife Cannabis Cup

La Huerta's Opinion

Ultimate Ak by Sumo Seeds is an award-winning cannabis plant that's easy to grow. It's resistant to mold, but the thick density of its buds can occasionally pose a problem. It's ideal for extracts.

Data sheet

Types of seeds
Feminized seeds
Indica sativa percentage
More indica (relaxing)
Flowering time
Average Flowering (55-65 days)
Medium effect
Flowery flavour
Sweet/fruity flavour
Other characteristics
Award winning prize
Easy to grow
Ideal for extracts

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