Alpha Blue cannabis seeds packaging, Royal King Seeds USA
Sativa
THC 20%
🎨 Creative
SativaFeminizedIn Stock

Alpha Blue Feminized

S1 FeminizedLab Profile Available β†’

Well-balanced feminized sativa with happy and energetic effects and vigorous vegetative growth. Ideal for intermediate growers seeking stable genetics and strong production.

β—‰Flavor:Orange zest, pine, sandalwood

Best for:🌞Daytime🎨Creative Projects🀝Social Activities
Intermediate Grower
🧬
THC
20%
⏱
Flower
9 - 11 weeks
βš–οΈ
Yield
High
🎯
Difficulty
Intermediate
πŸ“
Height
Tall
🌱
Grow
Indoor / Outdoor
πŸ’‘

Grower tip: Flip to 12/12 early, sativas stretch 2–3Γ— in flower

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$15.99USD

Premium stabilized genetics Β· germination guaranteed

βœ“Generates high production in both indoor and outdoor setups
βœ“Hits with clean happy effects that shine during daytime
βœ“Sativa-dominant genetics with stable, consistent phenotype

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β˜…Reliable performer for home cultivators
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🌱Germination Guarantee
πŸ”’Discreet Packaging
Sought-after phenotype, batch-limited
⭐Ships to all 50 US states discreetly

About Alpha Blue Feminized

The most common mistake growers make with Alpha Blue is not flipping early enough. This ${indica}/${sativa} genetics stretches 40-60% after the 12/12 switch, which means a plant flipped at 24 inches can reach 40+ inches at the canopy, too tall for standard tents. Flip at 16-18 inches and train the tallest branches during the first two weeks of stretch. At 20% THC with pinene-dominant terpenes, the quality ceiling is high, but you have to manage the specific characteristics of this cultivar to reach it.

Growing This Strain: Where Things Go Right and Wrong

The three most common issues growers report with Alpha Blue:

1. Nutrient timing at the flip. This cultivar shifts its feeding demand faster than many strains at the veg-to-flower transition. Growers who continue high-nitrogen veg feed for more than 5-7 days after the 12/12 switch see excess foliage development at the expense of bud formation. Switch to bloom nutrients within the first week of seeing pistils.

**2. Height management. The stretch surprises indoor growers who flip too late. In a 5-foot tent, flip when the plant is 16-18 inches. Under LED the stretch is slightly less than HPS, but still significant. Supercrop the tallest branches during weeks 2-3 of flower if height becomes critical.

3. Harvest timing. With pinene as the dominant terpene, the aromatic peak does not align perfectly with the trichome maturity peak. Growers chasing maximum terpene expression should harvest at 10-15% amber. Growers prioritizing potency should wait for 15-20% amber. These are different windows, know which one you are targeting.

Flowering: 9-11 weeks. Yield: 450-550g/mΒ² indoor / 350-500g/plant outdoor. Height: Compact (2-3 ft). Difficulty: intermediate.

Effects and Use

At 20% THC, Alpha Blue delivers happy, energetic, creative effects with a pinene-influenced character. The onset is cerebral, a brightening of the mental space that arrives within minutes and can enhance focus, creativity, and conversation for 2-3 hours before gradually softening. The body stays comfortable without heaviness. The pinene dominance adds a clarity that many users describe as "functional".

Terpene Profile

Dominant terpenes: Pinene (primary), Limonene (secondary), Caryophyllene (tertiary). This combination produces a nose that develops complexity through the cure, expect the primary pinene character to emerge first, with limonene and caryophyllene notes adding layers over 3-4 weeks in jars.

Who Should Grow Alpha Blue

Best suited for growers who want control over their plant size and harvest timing, photoperiod genetics let you veg as long as you want before triggering flower. The intermediate difficulty rating means basic growing competence is sufficient, but attention to detail during flower produces noticeably better results. Ships discreetly to all 50 US states with our germination guarantee.

Effects

😊Happy
72% of people reported feeling Happy
πŸ€‘Energetic
64% of people reported feeling Energetic
🀩Creative
63% of people reported feeling Creative
😎Uplifted
51% of people reported feeling Uplifted
πŸ€—Euphoric
47% of people reported feeling Euphoric
🧠Focused
42% of people reported feeling Focused
πŸ—£οΈTalkative
30% of people reported feeling Talkative
πŸ’ͺMotivated
31% of people reported feeling Motivated
πŸ˜†Giggly
24% of people reported feeling Giggly

Best For

✦ Daytime
✦ Creative Projects
✦ Social Activities

Strain Type

Indica 24%Sativa 76%

Strain Data Sheet

🧬THC20% - 25% (High)
🌿LineageJack Herer Γ— Durban Poison
πŸ”¬TypeFeminized Sativa
🌑ClimateMild, Warm
πŸ“…HarvestMid - Late October
πŸ“Height4.2 - 6.1 ft | 127 - 184 cm
βš–οΈYieldHigh
🏠Yield Indoor15.1 oz/ft² | 427 - 554 g/m²
🌳Yield Outdoor19 - 25 oz/plant | 527 - 704 g/plant
⏱Flowering Time9 - 11 weeks

Packaging

Resealable +
RK
Royal King Seeds
Photoperiod
Feminized Premium
Seeds
Premium US Genetics
Protective vial
Resealable +
Royal King Seeds sells seeds for souvenir and collectible purposes. Cannabis seeds are legal to purchase in the USA under the Cannabis Act (2018). Customers are responsible for understanding local laws.
1
Alpha Blue Feminized
royalkingseeds.us
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πŸ”’Sealed for authenticity
πŸ’§Waterproof coating
πŸ›‘οΈAluminium interior lining
🏷️Protective sticker
πŸ“±QR code verification
πŸ”’Scratchable serial number

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Alpha Blue Strain Review

Want the full breakdown of effects, lineage, terpene profile, and a complete grow guide? Read our in-depth Alpha Blue strain review.

Read the Strain Review

Alpha Blue Feminized, Cannabinoid & Terpene Reference

Reference ranges aggregated from publicly-reported third-party lab data and breeder documentation. Total THC reported as max-potential (THC + 0.877 Γ— THCA). Individual seed-lot expression may vary by 1-3 percent.

Total THC
19.8%
CBD
0.10%
Top Terpenes
Pinene, Limonene, Myrcene

Alpha Blue Feminized, Aggregated Grower Yield Reports

Yield ranges aggregated from public grower journals, breeder-documented spec sheets, and cultivation community reports on Alpha Blue Feminized feminized seeds. First-time growers should expect 70-85 percent of these numbers.

SetupYield
3Γ—3 tent, 400W LED, LST559g
Outdoor, balcony, 5-gal fabric pot962g

Alpha Blue Feminized, Sourcing & Genetics

Release Era
Recent (post-2020)
Parent Genetics
Pure sativa landrace heritage
Lineage Notes

Alpha Blue Feminized was developed in the 1990s and has been continuously refined since, modern releases are far more stable than the original 90s phenotypes.

Recommended US Climate

Best in long-season warm climates (CA, OR, FL, HI, Southern states). Indoor cultivation works in any climate.

Alpha Blue Feminized, Breeder Information

Royal King Genetics

Bred and stabilized in-house by Royal King Genetics , our internal breeding team. Every order is backed by our 95% germination guarantee. Read our full breeding process and about page.

Stabilization Level
F4
Generations
4+
Breeding Program
Royal King Genetics Filial Program, four-generation pheno fixing
Stabilization Notes, What This Means for Your Grow

A modern hybrid cross stabilized over four generations of selection. Alpha Blue grows true-to-type with the cerebral terpene profile that defines the cultivar.

Breeding Goal

Eliminate off-type phenos in Alpha Blue through filial selection.

Selection Focus

Selected for terpene saturation, sativa vigor, and balanced finish time despite long-flowering genetics.

Pollen / Mother Source

Royal King Genetics select-mother program, pollen sourced from an internally maintained reversed-female line.

Germination Guarantee
95% germination, free replacements if seeds fail
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