Alpha 21 Feminized Seeds (AlphaFem Seeds)

AlphaFem Seeds USA
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 2oz/ft² (600g/m²) in indoor setups. Outdoors, yields depend on climate conditions as much as the love and care you’re willing to provide and may reach 1.3-1.76lb (600-800g) 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.

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.

Grow Tips

Despite the strong Sativa influence, these plants don’t grow taller than 4ft (120cm), 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!

delivery Shipping: from 2 day
Reviews
4.9
43 reviews
  • Thumpz
    3 April 2025
    3 April 2025
    • General impressions

      This strain had me laughing like a kid watching a cartoon. A real favorite. Bright flavor, clean burn. Not too overpowering, perfect for chilling with the gang. I haven't had this much fun since high school.

    0
  • BudLord
    1 April 2025
    1 April 2025
    • General impressions

      Alpha 21 is pure rocket fuel, guys. It grew big, fat colas with a citrusy scent and a hint of earth. I smoked it before a hike; I felt like I was flying. A must-have for active sessions.

    0
  • Sofia Khalid
    26 March 2025
    26 March 2025
    • General impressions

      From a medicinal perspective, Alpha 21 is effective for patients suffering from fatigue and mood disorders. It is invigorating without overstimulating. Easy to grow, even indoors, even in tight spaces. I used all the guides and tips on the blog. Thank you!

    0
  • Gerald
    14 March 2025
    14 March 2025
    • General impressions

      Growth was steady and flowering was completed on schedule. The buds were dense, resinous, and smelled divine! A great strain, without a doubt!

    0
  • Brie000
    4 March 2025
    4 March 2025
    • General impressions

      It's rare for a sativa-dominant strain to not cause me anxiety, but Alpha 21 is a real winner. A great energy boost without the crash. Bonus: it smells incredible while curing. A+.

    0
  • Matthew
    4 March 2025
    4 March 2025
    • General impressions

      Perfect for a first grow! As a beginner, I was apprehensive about growing, but Alpha 21 made it easy! Ordering from Herbies was seamless, and my package arrived discreetly and quickly (about 8 days). All the seeds germinated without a hitch, and the plants were surprisingly forgiving; I made a few rookie mistakes, but they still thrived.

    0
  • Sharon
    27 February 2025
    27 February 2025
    • General impressions

      I encountered a payment problem, so I contacted customer service. They responded within a few hours and explained the process. Once my order was confirmed, it was shipped quickly and arrived in less than 10 days.

      Super-fast processing and discreet packaging

    0
  • Jade
    21 February 2025
    21 February 2025
    • General impressions

      Fast shipping and stress-free growing

    0
  • James
    10 February 2025
    10 February 2025
    • General impressions

      The smoke is smooth and the high is uplifting but still relaxing.

    0
  • Glenn
    9 February 2025
    9 February 2025
    • General impressions

      They grew fast and strong, and I got dense, frosty buds. The smoke is smooth and the effects are perfect. I will definitely be buying more!

    0
  • Chef Dabbs V
    31 January 2025
    31 January 2025
    • General impressions

      Dude. This is the king of wake-up calls. I made pancakes under Alpha 21 and tasted the colors. The taste is lemony with a hint of pine. I call it "Liquid Sunshine."

    0
  • Stoney Rick
    28 January 2025
    28 January 2025
    • General impressions

      I grew three of these babies outdoors. No mold, no fuss. They thrived. A citrusy, diesel scent that turns heads. And the buzz? Mmmmm… Clean, focused, no paranoia. I love it for early mornings.

    0
  • Hitman
    27 January 2025
    27 January 2025
    • General impressions

      The packaging was discreet, no fuss, just the way I like it.

    0
  • Professor
    13 January 2025
    13 January 2025
    • General impressions

      Structurally impressive genetics. Alpha 21 showed consistent phenotypic expression, minimal intersex traits, and high trichome density. The effect is stimulating, cerebral, and does not impair motor skills—ideal for concentration tasks.

    0
  • Sultan
    10 January 2025
    10 January 2025
    • General impressions

      Pleasant and mild effect, but I especially enjoyed the taste :) Very fragrant buds. Tested while still ripening, no bitterness, the taste is pleasant.

    0
  • Tasha
    7 January 2025
    7 January 2025
    • General impressions

      Alpha 21 makes me want to clean the whole house and paint a mural. It's like an espresso, but with a smile. A truly powerful cerebral effect, but one that lingers pleasantly. I'd definitely do it again!

    0
  • Nathan
    5 January 2025
    5 January 2025
    • General impressions

      I've tried growing before with mixed results, but Alpha 21 was my first real success! The ordering process was simple, and my seeds arrived in discreet packaging in less than a week. Each seed germinated quickly, and the plants handled my rookie mistakes with ease.

    0
  • Heather
    4 January 2025
    4 January 2025
    • General impressions

      I got what I was looking for, fast delivery and easy payment methods

    0
  • Balthazar
    3 January 2025
    3 January 2025
    • General impressions

      Grows well and matches the description in terms of smell and effect. Only the yield is average and the height is average. However, flowering is fast and lasts a week. It will certainly find its audience.

    0
  • Marco C.
    31 December 2024
    31 December 2024
    • General impressions

      Solid yield, fast growth, and significant stretching during the third week of flowering. I defoliated it twice, and it held up well. It smells like lemon cleaner and the spice rack had a baby. The effect is vivid. Incredibly motivating.

    0
  • Real
    22 December 2024
    22 December 2024
    • General impressions

      so far so good, all 3 germinated in 2 days, now 2 weeks in vegetation

    0
  • Pharmacy
    16 December 2024
    16 December 2024
    • General impressions

      Overall, you get what you expect. No complaints. I recommend this product and will try other products from them.

    0
  • Foam
    7 December 2024
    7 December 2024
    • General impressions

      I want to try this 30%, I will experience it and share my impressions with my friends

    0
  • Michelle
    7 December 2024
    7 December 2024
    • General impressions

      The buds are dense and well-structured, covered in a thick layer of frosty trichomes. Smoked or vaporized, they offer a sweet, lemony flavor with hints of pine and herbs on the exhale. Resin production is good, and I was completely satisfied with the overall experience.

    0
  • Aaron
    4 December 2024
    4 December 2024
    • General impressions

      The seeds are excellent and the resin is rich in THC – a real monster. The genetics did a great job! I haven't gotten anything comparable in terms of potency. Everything is fine. Undemanding hybrid. Flowering in 8 weeks.

    0
  • Lan
    3 December 2024
    3 December 2024
    • General impressions

      Smooth process from start to finish. The germination rate was 100% and the plants grew quickly with no major issues.

    0
  • Paul
    1 December 2024
    1 December 2024
    • General impressions

      Super easy to grow, excellent structure and super dense buds. The high is powerful: it hits hard while keeping you functional. I would definitely use it again!

    0
  • Cole
    26 November 2024
    26 November 2024
    • General impressions

      Bought this as a test run, as I wasn't familiar with this new seed bank. Everything's fine! I'll definitely try something else. The description is accurate, or almost.

    0
  • OG Scope
    24 November 2024
    24 November 2024
    • General impressions

      I ordered 10 seeds, only 7 sprouted, but I received a replacement. And I chose other seeds. But these seven... oh my God, what bliss!

    0
  • Michael
    19 November 2024
    19 November 2024
    • General impressions

      This is one of the best things I've ever grown! She forgave all my mistakes and droughts :) Despite everything, she really satisfied me with the yield and effect – 5/5

    0
Customer Ratings
43 rating
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