Amethyst cannabis seeds packaging, Royal King Seeds USA
Hybrid
THC 21%
🎨 Creative
HybridFeminizedIn Stock

Amethyst Feminized

Feminized PhotoperiodLab Profile Available →

Potent feminized hybrid with creative and calm effects and balanced hybrid structure. Ideal for intermediate growers seeking stable genetics and strong production.

Flavor:Tropical, vanilla, subtle diesel

Best for:🕐Anytime🛋️Relaxation🧘Stress Relief
Intermediate Grower
🧬
THC
21%
Flower
8 – 10 weeks (typical)
⚖️
Yield
Medium – High
🎯
Difficulty
Intermediate
📏
Height
Medium
🌱
Grow
Indoor / Outdoor
💡

Grower tip: LST during veg creates an even canopy and more bud sites

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$10.99USD

Premium stabilized genetics · germination guaranteed

Generates medium – high production in both indoor and outdoor setups
Hits with clean creative effects that shine during anytime
Hybrid-dominant genetics with stable, consistent phenotype

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About Amethyst Feminized

Amethyst is a 51/49 hybrid testing at 21% THC with a limonene-dominant terpene profile. At a practical level, this means a plant that offers moderate stretch with balanced branching that responds well to training, finishing in 9-11 weeks. The Limonene/Caryophyllene combination shapes both the aromatic profile and the effect character, this is not a one-dimensional strain.

Growing Parameters

Flowering time: 9-11 weeks from flip. Indoor yield at 600+ PPFD: 450-550g/m². Outdoor in full sun with 5+ gallon containers: 350-500g/plant. Plant height indoors after training: Compact (2-3 ft). Feed EC targets: 1.0-1.4 in veg, 1.4-1.8 in peak flower. pH range: 6.0-6.5 in soil, 5.8-6.2 in coco. Limonene production peaks when day/night temperature differential exceeds 10°F in the final two weeks, growers who drop nighttime temps to 62-65°F during this window report stronger aromatic development.

This cultivar responds well to topping at the 4th node and moderate defoliation in week 1 and week 3 of flower. SCROG training at a 4x4 grid produces the most uniform canopy distribution. Rated intermediate difficulty.

Effects and Use

At 21% THC, Amethyst delivers creative, calm effects with a limonene-influenced character. The onset is balanced, head and body arrive together and remain proportional throughout a 2-3 hour duration. This makes the strain adaptable to different situations depending on dose. The limonene dominance keeps the mental space bright and slightly elevated even when the body relaxes.

Terpene Profile

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

Who Should Grow Amethyst

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

🤩Creative
77% of people reported feeling Creative
🧘Calm
67% of people reported feeling Calm
😌Relaxed
58% of people reported feeling Relaxed
😊Happy
51% of people reported feeling Happy
🤗Euphoric
47% of people reported feeling Euphoric
😎Uplifted
38% of people reported feeling Uplifted
🤤Hungry
34% of people reported feeling Hungry
😴Sleepy
31% of people reported feeling Sleepy
😆Giggly
24% of people reported feeling Giggly

Best For

Anytime
Relaxation
Stress Relief

Strain Type

Indica 51%Sativa 49%

Strain Data Sheet

🧬THC21% - 26% (High)
🌿LineageSage N Sour × Granddaddy Purple
🔬TypeFeminized Hybrid
🌡ClimateTemperate, adaptable
📅HarvestLate September – October, N. hemisphere (typical)
📏Height100 – 160 cm (typical)
⚖️YieldMedium – High
🏠Yield Indoor400 – 500 g/m² (typical)
🌳Yield Outdoor400 – 600 g/plant (typical)
Flowering Time8 – 10 weeks (typical)

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.
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Amethyst Feminized
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🔒Sealed for authenticity
💧Waterproof coating
🛡️Aluminium interior lining
🏷️Protective sticker
📱QR code verification
🔢Scratchable serial number

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Amethyst Strain Review

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

Read the Strain Review

Amethyst 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 × THCA). Individual seed-lot expression may vary by 1-3 percent.

Total THC
21.1%
CBD
0.04%
Top Terpenes
Limonene, Caryophyllene, Myrcene

Amethyst Feminized, Aggregated Grower Yield Reports

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

SetupYield
4×4 tent, 600W LED, SCROG486g
4×4 tent, 600W LED, top + main-line486g

Amethyst Feminized, Sourcing & Genetics

Release Era
Modern stabilized line
Parent Genetics
Sage N Sour × Granddaddy Purple
Lineage Notes

Amethyst is a balanced hybrid from Zion Botanicals, created by crossing Sage N Sour with Granddaddy Purple to yield a high-THC strain with a clear, focused effect.

Recommended US Climate

Adaptable to most US climates. Performs best in moderate temperature ranges (60-85°F). Indoor recommended in extreme climates.

Amethyst 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
F4 Production Line, modern cross stabilization
Stabilization Notes, What This Means for Your Grow

F4 stabilization on Amethyst. Each generation we cull aggressively against off-types, the F4 population reflects only the phenos that match the cultivar reference profile.

Breeding Goal

Lock structural balance consistency across the Amethyst population.

Selection Focus

Selected for hybrid structure, clean terpene expression, and consistent yield across the population.

Pollen / Mother Source

Royal King Genetics breeding program, pollen from selected sibling males of the recurrent parent.

Germination Guarantee
95% germination, free replacements if seeds fail
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