Alpha 21 Feminized Seeds (AlphaFem Seeds)

AlphaFem Seeds
Feminized
Photoperiod
USA

Description

Alpha 21 Strain Info

The breeder of this strain, who's come a long way from humble trimmer to the founder of his own seedbank, created this Sativa-dominant marvel with ease of cultivation and product potency in mind. The legendary OG family serves as the backbone of this strain, which explains Alpha 21’s exceptional therapeutic potential and huge demand in the medical community.

Genetics

Alpha 21 is a hybrid resulting from crossing the flagship Totally Alpha OG with a pure Sativa line of Haze IBL, complemented by the addition of the Afghani landrace Zalla. The result is a plant whose clear Sativa dominance isn’t obvious in either its compact size or short flowering time, nor in its body-focused effects.

Flowering Time

The flowering time of Alpha 21 can be as short as 49 days (7 weeks) of 12/12 and rarely takes more than 63 days, so growers looking for fast-finishing cultivars can definitely find a phenotype of a record-breaking speed here.

Yields

Despite some variance in maturation times, the strain consistently produces up to 600 g/m² (2 oz/ft²) in indoor setups. Outdoors, yields depend on climate conditions as much as the love and care you’re willing to provide and may reach 600-800 g (1.3-1.76 lb) per plant.

Effects

Expect a potent full-body relaxation that will take care of anything that might have bothered you before, be it an aching body or nagging anxieties after a busy and stressful day. Alpha 21 is the perfect way to purge all that, stop caring about anything, and eventually fall asleep.

For Sleep
Medicinal
Happy

Medical Properties

The symptom relief generously offered by Alpha 21 includes all the usual suspects like stress, insomnia, anxiety, and of course, pain of any origin.

THC and CBD Levels

Alpha 21 is among the most potent strains bred by AlphaFem Seeds, as its THC content can go as high as 30%, with CBD levels clocking in at under 2%. This intimidating cannabinoid composition is one for long-time habitual smokers, while newbies should tread lightly and have no more than one shallow toke before venturing further.

Smell and Taste

Alpha 21's terpene profile offers spicy and woody notes of caryophyllene in its aroma, complemented by a pleasant sweetness upon the exhale, with delightful hints of citrus and earthiness from limonene and myrcene.

Wood
Sweet
Spice

Grow Tips

Despite the strong Sativa influence, these plants don’t grow taller than 120 cm (4 ft), which is a very convenient feature for limited spaces. However, even in this case, we recommend using ScrOG to train Alpha 21 so that its yields can reach their full potential.

  • Implement training to keep every top at the same distance from the light source.
  • Use trellising to provide support for heavy colas.
  • Ensure adequate ventilation to mitigate the risk of mold.

Alpha 21 Seeds

Get a record-breaking harvest with Alpha 21 feminized seeds, brought to you by Herbies! Guaranteed germination, 20+ years of experience, and top-rated customer service – that's our promise. Buy with confidence and do it today!

Customer Ratings
4,9
Based on 61 ratings
  • 5
    56 ratings
  • 4
    5 ratings
  • 3
    0 ratings
  • 2
    0 ratings
  • 1
    0 ratings
  • avatar
    Albert
    5
    14 November 2024
    14 November 2024
    • General impressions

      The plants were resilient and easy to care for, making them ideal for beginners like myself. Highly recommended!

    0
  • avatar
    Tyler
    5
    11 November 2024
    11 November 2024
    • General impressions

      This one is fire. Grown in coco coir under LEDs, I took LST like a champ. It smells like lemon, like death, in the best sense of the word.

    0
  • avatar
    Isa
    5
    6 November 2024
    6 November 2024
    • General impressions

      Having used and grown cannabis for over 15 years, I can say that Alpha 21 stands out in several ways. From a grower's perspective, it's a well-bred strain: a solid structure, not prone to pests or mold, and it responds perfectly to LST and defoliation. The effect is very cerebral yet grounding, making it suitable for both medical and recreational use. What impressed me most, however, was its terpene profile—rich in limonene and myrcene, from what I could tell—which gives it a delicious tangy, piney flavor. I've already cloned it for a new experiment.

    0
  • avatar
    Evelyn
    4
    2 November 2024
    2 November 2024
    • Advantages
      dense buds
    • Disadvantages
      They require careful humidity control to prevent mold in the later stages, but otherwise this is a top strain for growers who want weight and potency.
    • General impressions

      GOOD

    0
  • avatar
    Tomás
    5
    2 November 2024
    2 November 2024
    • General impressions

      Very satisfied with this strain. The buds were dense, the trichomes were like snow. The smell is strong, with citrus notes. Grown at 27°C and 50% relative humidity, it gave excellent results indoors. Thank you!

    0
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