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The Black Muffin F1 Fast Version seeds from Sweet Seeds come from a meticulous selection between the first filial generation (F1) phenotypes of the photodependent strain Red Hot Cookies and the autoflowering Black Lemon Auto. The crossbreeding results in an indica-dominant, feminized hybrid that reaches full maturity from seed in several weeks less time, in this case 49 days.

This is a plant of medium development profile which can reach heights of approximately 60 – 170cm. In indoor cultivation, yield results between 500 – 600g/m2 can be expected.

A cutting-edge strain that ensures a sophisticated organoleptic profile with a palette of delicious, sweet, fruity, citrus-like tangerine and forest fruit flavours. It has a THC percentage of 25% and a high percentage of phenotypes display incredible red flowers.

Seeds per pack

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Type and Genetics

The Black Muffin F1 Fast Version from Sweet Seeds seeds are a result of a genetic mix that ensures a speed bonus. This strain is a first-generation offspring (F1) stemming from a combination of the photodependent Red Hot Cookies strain and the autoflowering Black Lemon Auto. This results in a feminized hybrid of predominant indica that shortens its life cycle by several weeks, retaining and at times, like this, improving the qualities of its parent line.

The "fast version", "quick", "fast flowering", or simply "fast" strains are characterized as strains created from a cross between an autoflowering and a photodependent phenotype. This combination yields a strain that shortens the harvest time by one to two weeks, compared to regular strains.

"Fast Version" strains also provide numerous advantages arising from these periods, such as lesser use of material and energy resources, less affliction from fungi and insect pests, among other qualities much appreciated by cultivators in cold climates or those looking to benefit from its ease of cultivation.

This strain showcases a robust structure of indicas, with large flowers that sprout from the tips of its thick lower branches. Furthermore, an approximate 60% of plants showcase a powerful red color in their flowers.


The growth profile of the Black Muffin F1 Fast Version from Sweet Seeds is medium.

  • A plant that can stretch between 60 – 170cm, approx.

Aroma and Flavor

Its smoke is dense and ascends straight toward the room's ceiling. The drag brings along sweet fruity flavors, a hint of sourness, citrusy flavors of mandarin and lemon, rounded by wild berries at the tail end of the taste.


The Black Muffin F1 Fast Version from Sweet Seeds possesses an average concentration of 25% THC. Its concentration makes it a potent strain that floods neuronal centers with positive energy, stimulating creativity and motivating the consumer to seek adventures.


The results that can be expected from the Black Muffin F1 Fast Version from Sweet Seeds can be quite generous considering its characteristics as an early version plant.

  • Indoor cultivation of the plant may yield up to a generous 500 – 600g/m2 harvest.
  • Outdoor plantations, according to the seed bank, may yield up to 400 – 500g/plant.

Flowering for Indoor Cultivation

The Black Muffin F1 Fast Version from Sweet Seeds requires just 49 days of flowering to be ready for harvest.

Flowering for Outdoor Cultivation

For outdoor cultivation, you can harvest mature flowers by mid-September.

Sativa/Indica Percentage

40% Sativa – 60% Indica


  • THC 25%

La Huerta's Opinion

The Black Muffin F1 Fast Version from Sweet Seeds is a strain with fantastic qualities, providing abundant yields in very short time intervals while offering a fabulous taste and a hefty serving of THC.

It's recommended for any type of grower, particularly for indoor growers and for outdoor growers in colder climates, where an extra bit of speed is needed to evade fall onset that could lead to damages due to humidity and fungal invasions.

Data sheet

Types of seeds
Feminized seeds
Indica sativa percentage
More indica (relaxing)
Flowering time
Fast Flowering (45-55 days)
Strong effect
Citric flavour
Lemon flavour
Mandarine flavour
Sweet/fruity flavour
Cookies strain
Other characteristics
Easy to grow
Variedad temprana

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