Black Muffin F1 Fast Version is a feminized, photoperiod-dependent F1 hybrid bred for ultra-fast flowering. It finishes indoor flowering in around 7 weeks while producing thick, compact buds drenched in aromatic resin.
Sweet Seeds created this strain from an elite Red Hot Muffin clone crossed with a selected Black Lemon Auto line.
Its vigorous 60% Indica and 40% Sativa structure develops long side branches. Around 60% of plants produce reddish or deep purple flowers.
We really like this strain because it combines striking color with expressive aroma, memorable flavor, and a balanced effect without asking you to wait forever. As a Fast Version, it suits collectors who value rapid photoperiod genetics but still want substantial indoor and outdoor yield potential.
Effects
The experience begins on the stimulating side, encouraging conversation, imagination, and creative thought. It then eases toward a calm, happy physical and mental relaxation that keeps its clarity.
Think of the effect as a bright room slowly settling into warm evening light. Your thoughts can stay active while the body loosens its grip.
We think that balance makes Black Muffin F1 Fast Version appealing for social moments, creative projects, or simply switching gears without feeling overwhelmed. With 17–25% THC and approximately 0.1% CBD, the experience can feel intense yet rounded.
Flavor
Black Muffin F1 Fast Version starts with bright citrus. Lemon comes first, followed by softer mandarin and a sweet-and-sour fruit character. Then red berries slip underneath with a slightly tart edge.
The result is fresh, fruity, acidic, and lingering rather than flat or sugary. Imagine cutting into a mandarin beside a bowl of tart forest berries on a hot afternoon.
The citrus wakes up the palate, while the berry notes leave a darker, sweeter trail behind. Black Muffin F1 Fast Version combines sweet-and-sour fruit, lemon, mandarin, citrus, and red berry notes into a bright and expressive profile.
Black Muffin F1 Fast Version Characteristics
| Strain type | Feminized, photoperiod-dependent, F1 Fast Version |
| Genetics | Red Hot Muffin elite clone x Black Lemon Auto |
| Indica/Sativa | 60% Indica / 40% Sativa |
| THC | 17–25% |
| CBD | Approximately 0.1% |
| Effect | Stimulating, creative, relaxing, happy |
| Flavor | Sweet and sour, citrus, lemon, mandarin, red berries |
| Indoor yield | 500–600 g/m² (17.6–21.2 oz/10.8 ft²) |
| Outdoor yield | 400–600 g/plant (14.1–21.2 oz/plant) |
| Flowering time | 7 weeks indoors |
| Structure | Vigorous hybrid with sturdy growth and long side branches |
| Bud appearance | Thick, compact, resinous buds; around 60% develop reddish or deep purple flowers |
FAQ
Is Black Muffin F1 Fast Version seeds Indica or Sativa?
It is a 60% Indica and 40% Sativa hybrid. Its profile combines vigorous hybrid growth with stimulating, creative effects that gradually move toward relaxation.
What terpenes does this strain have?
The supplied data does not specify individual terpenes. Its documented aromatic profile combines sweet-and-sour fruit, lemon, mandarin, citrus, and red berry notes.
Is this strain good for beginner growers?
Sweet Seeds does not provide a specific difficulty rating in the supplied data. Its documented traits include vigorous growth and a short 7-week indoor flowering period.
How to grow Black Muffin F1 Fast Version seeds?
It is a photoperiod-dependent variety with vigorous growth and long side branches. Indoor flowering takes about 7 weeks. Outdoors, ample sunlight, quality soil, adequate nutrition, and suitable growing conditions support its stated yield potential.
Does Black Muffin F1 Fast Version produce purple flowers?
Yes. Around 60% of specimens develop reddish or deep purple flowers during flowering, giving this strain one of its most distinctive visual traits.
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