Amethyst cannabis seeds packaging — Royal King Seeds Canada
Hybrid
THC 21%%
HybridFeminizedIn Stock

Amethyst Feminized

S1 FeminizedSee Lab Report →

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
9 - 11 weeks
⚖️
Yield
High
🎯
Difficulty
Intermediate
📏
Height
Tall
🌱
Grow
Indoor / Outdoor
💡

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

Select Pack Size
$15.39CAD

Premium stabilized genetics · germination guaranteed

Generates 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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Royal King Genetics — first-party test batch

Numbers below are from our internal seed-lot QC and verified grower submissions, not breeder marketing. Determined from a single batch tested 2026-04-10 on 150 seeds.

Germination rate: 96.7% (n=150)
Last QC test date: 2026-04-10
Indoor yield: 450-616 g/m² (avg across 6 verified grower reports)
Outdoor yield: 612-798 g/plant (avg across 9 verified grower reports)

About Amethyst Feminized

Amethyst Feminized seeds carry a genetic blueprint that translates into one of the most distinctive hybrid experiences available to Canadian growers. At 51% indica and 49% sativa, the balance here leans toward a true middle ground that shifts based on phenotype and growing conditions. The Myrcene-dominant terpene profile gives the flower its signature earthy, musky character — something you notice the moment you crack open a cured jar.

What separates Amethyst Feminized from the dozens of other hybrid seeds on the market is the way the Creative and Calm effects layer over each other rather than competing. Growers often find that this strain rewards patience during the cure more than most, with the vanilla and candy notes intensifying dramatically between week two and week four of jar time. For anyone chasing a well-rounded smoke that delivers without overwhelming, this one belongs on the shortlist.

Effects & Experience

Start Amethyst Feminized slowly if it is your first time. The Creative onset is genuine — within minutes you will feel the hybrid genetics making their case. The 51% indica lineage brings a subtle physical grounding that keeps the sativa-side energy from floating away. The 49% sativa heritage adds enough headspace that you do not feel locked down or foggy.

The mid-session peak is where Amethyst Feminized is at its best. The Calm quality integrates fully with the Creative foundation, creating a state that users consistently describe as perfectly centered — aware and comfortable simultaneously.

Dosage guidance from growers who run this strain regularly: a single toke sets the mood, two solidifies it, and three or more commits you to the full ride. The THC content (19-23%) means this is not a strain where you can over-consume and shrug it off. Respect the potency and you will be rewarded with one of the cleaner hybrid experiences available.

Practical applications: Anytime, Relaxation, Stress Relief. The undefined tail-end of the session fades naturally over 120-180 minutes, leaving no harsh comedown or rebound anxiety. Growers who time their harvest right (cloudy trichomes with 20-30% amber) will see this effect profile expressed most clearly.

Flavor & Terpene Profile

Pull a bud of Amethyst Feminized from the jar and give it a squeeze. The vanilla scent that releases is the first chapter of a story the terpenes have been writing since mid-flower. The Myrcene content is the author — its earthy, musky character defines how this strain presents itself to the nose and palate.

The smoking experience plays out in a predictable but enjoyable arc. The inhale brings clean vanilla flavor with just enough density to feel substantial. The mid-draw introduces candy as a harmonic — not replacing the primary note, but enriching it. The exhale pulls sweet into focus and leaves an aftertaste that vanilla fans will appreciate.

Temperature sensitivity is real with this cultivar. The Myrcene and Limonene terpenes have different boiling points, and how you consume Amethyst Feminized determines which flavors you taste most prominently. Vaporizer users at 340°F get a bright, earthy, musky-forward experience. At 370°F, the citrus, lemon zest notes from Limonene join the party. Combustion at 450°F+ delivers everything at once but with less definition between the layers.

The practical takeaway: Amethyst Feminized's terpene profile is a genuine asset, not a marketing afterthought. The Myrcene contributes sedating and physically relaxing properties that align with and amplify the strain's Creative character. Limonene adds uplifting and energizing modulation that makes the overall experience more nuanced. Together, they create an entourage effect that explains why this hybrid feels different from other varieties at the same THC percentage.

Growers should prioritize the dry and cure for maximum flavor expression. A slow dry at 60°F with 55-60% humidity followed by at least three weeks of jar curing at 62% humidity is the minimum for Amethyst Feminized to show what it can do. Shortcuts here cost you the very thing that makes this strain worth growing.

Growing Amethyst Feminized in Canada

Canadian growers have been running Amethyst Feminized successfully across a range of setups, from closet grows in Toronto apartments to full-season outdoor gardens in the Okanagan. The intermediate difficulty rating reflects how the plant behaves in real conditions — it rewards attention to environmental control without punishing the occasional off day.

Indoor Setup: Plant height stays within 90-150cm, making it manageable in standard 5-7 foot grow spaces after accounting for pots and light distance. Veg under 18/6 for 4-5 weeks, then flip to 12/12. The flowering period runs 8-10 weeks from the day you switch the light schedule. Target 400-550g/m² by maintaining consistent light intensity and environmental parameters throughout the cycle.

Outdoor Considerations for Canada: The Canadian outdoor window runs roughly May through October, but the usable portion depends on your latitude and elevation. Start seeds indoors under lights in April, harden off in late May, and plan for harvest between late September and mid-October depending on your region. Maritime provinces and northern Ontario should prioritize faster-flowering phenotypes to beat the fall moisture. Full sun exposure (minimum 6 hours direct) is essential for reaching the 450-650g/plant yield potential.

Stretch and Structure: Amethyst Feminized shows a 50-100% height increase during the first two to three weeks of flower. Topping once during veg and using LST to open the canopy produces the most even light distribution for this growth pattern.

Feeding and Water: Start nutrients at 50-75% manufacturer recommended strength and scale up based on how the plant responds. This strain drinks more than average during mid-flower as the colas fill out. Increase watering frequency rather than volume to keep the root zone consistently moist without saturating it.

What Can Go Wrong: The main risk is inconsistent environments causing herming (stress-induced pollen sacs). Keep temperatures stable and avoid light leaks during the dark period. Similar genetics like Kobain Kush Feminized and Bruce Banner Feminized share some of these tendencies. Our lighting guide covers prevention strategies in detail.

Flowering Timeline: 8-10 weeks from the 12/12 flip. Trichome maturity is the real harvest indicator — use a jeweler's loupe and harvest when 80-90% cloudy with 10-15% amber for peak cerebral effects.

Maximizing Amethyst Feminized in Your Garden

Getting the most out of Amethyst Feminized comes down to a handful of decisions made before the seed even hits the medium. In our experience running this hybrid across multiple cycles, these factors have the biggest impact on final quality.

Container choice: Start in a small container (solo cup or 1-gallon) and transplant to your final pot (3-7 gallon) before flipping to flower. The transplant stimulates root growth and allows you to assess plant health before committing to the larger container. Fabric pots promote air pruning of roots, which translates to healthier root zones and stronger plants throughout the cycle.

Light intensity and spectrum: During veg, 400-500 PPFD with a full-spectrum LED provides the energy Amethyst Feminized needs for solid structural development. In flower, push to 600-800 PPFD — this strain responds to high light intensity with increased trichome production and denser buds. The stretchy structure may create shading issues — maintain even canopy height through training to ensure all bud sites receive adequate light.

Water quality: Canadian tap water varies dramatically by municipality. Test your water's pH and PPM before starting. Ideal starting water is under 150 PPM with a pH of 6.0-7.0 (adjust to 6.0-6.5 for soil, 5.5-6.0 for coco/hydro). If your tap water exceeds 300 PPM or contains high chloramine levels, consider a reverse osmosis filter — the investment pays for itself in reduced nutrient issues and better plant performance.

Temperature manipulation: During the last two weeks of flower, dropping nighttime temperatures to 60-65°F can benefit Amethyst Feminized in two ways: it can increase terpene production as the plant responds to the environmental stress signal, and it mimics the natural outdoor conditions that trigger the plant to accelerate flowering. This technique is particularly effective in Canadian grow rooms during fall and winter when nighttime ambient temperatures naturally cooperate.

Training summary for Amethyst Feminized: Top once at the 4th or 5th node during veg, then LST the resulting branches into an even canopy. ScrOG netting placed just before the flip to 12/12 gives you one more tool for height management during the stretch. Similar training approaches work for Kobain Kush Feminized. Browse our hybrid strains for more genetics suited to these techniques.

Who Amethyst Feminized Is For

Amethyst Feminized hits the mark for a specific type of grower: someone who has the fundamentals down and wants a strain that responds proportionally to the care invested. If that is you, this cultivar will not disappoint.

The photoperiod genetics make it particularly well-suited for growers who prefer full control over vegetative length and plant size, and who have the equipment to manage light schedules reliably.

From a consumer perspective, Amethyst Feminized serves Anytime and Relaxation purposes. The Creative primary effect is the draw, and the 19-23% THC range makes it accessible across tolerance levels with appropriate dosing.

Skip this strain if: You are looking for a one-trick specialist — this hybrid trades peak performance in any single category for versatility across several. Also avoid if your grow space cannot accommodate 90-150cm height after accounting for pot and light distance.

How Amethyst Feminized Compares

Compare Amethyst Feminized against the hybrid field and a few things become clear. First, the vanilla and candy terpene character is more pronounced than most alternatives — this is a flavor-forward cultivar that competes on taste alongside potency. Second, the intermediate difficulty rating reflects genuine ease of growing, not marketing spin.

Against Kobain Kush Feminized: Amethyst Feminized offers comparable Creative effects with a more distinctive flavor profile. THC at 19-23% is competitive. Growing difficulty is comparable, with the main differentiator being terpene expression rather than cultivation complexity.

Against Bruce Banner Feminized: Similar growing timeline, comparable yields, but Amethyst Feminized separates itself on consistency. Phenotype variation is minimal — you know what you are getting from every seed, which reduces the risk of a disappointing harvest.

Photoperiod advantage: The ability to extend veg time for larger plants gives Amethyst Feminized a yield ceiling that autoflower versions cannot match. For growers who have the space and patience, the photoperiod format consistently outperforms.

Bottom line: Amethyst Feminized competes on reliability and flavor rather than trying to lead any single metric. For growers who value knowing what they will harvest, that approach wins.

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)
🌿LineageChemdawg × Blue Dream
🔬TypeFeminized Hybrid
🌡ClimateMediterranean, Temperate
📅HarvestMid - Late October
📏Height4.2 - 5.7 ft | 125 - 170 cm
⚖️YieldHigh
🏠Yield Indoor16.8 oz/ft² | 475 - 650 g/m²
🌳Yield Outdoor17 - 25 oz/plant | 475 - 700 g/plant
Flowering Time9 - 11 weeks

Packaging

Resealable +
RK
Royal King Seeds
Photoperiod
Feminized Premium
Seeds
Premium Canadian Genetics
Protective vial
Resealable +
Royal King Seeds sells seeds for souvenir and collectible purposes. Cannabis seeds are legal to purchase in Canada 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 Feminized— Breeder & Stabilization Detail

Royal King Genetics

Bred and stabilized in-house by Royal King Genetics — the internal breeding team at Royal King Seeds. Every batch is QC'd and germ-tested above 99% before it ships to a Canadian customer. Read the full breeding process or learn more on the about page.

Stabilization Level
F4
Generations Worked
4+
Breeding Program
F4 Production Line — modern cross stabilization
Stabilization Notes — What This Means for Your Grow

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

Breeding Goal

Lock structural balance consistency through the Amethyst population.

Selection Focus

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

Pollen / Mother Source

Royal King Genetics breeding facility — pollen sourced from internally selected sibling males of the recurrent parent.

Last Batch QC Verified
May 15, 2025· 99%+ germination
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