Black Rose cannabis seeds packaging — Royal King Seeds Canada
Indica
THC 22%%
IndicaFeminizedIn Stock

Black Rose Feminized

S1 FeminizedSee Lab Report →

Potent feminized indica with relaxed and calm effects and compact, resin-coated structure. Ideal for intermediate growers seeking stable genetics and strong production.

Flavor:Sweet grape, pine, woody incense

Best for:🌙Evening🛋️Relaxation😴Sleep Support
Intermediate Grower
🧬
THC
22%
Flower
8 - 10 weeks
⚖️
Yield
Medium - High
🎯
Difficulty
Intermediate
📏
Height
Tall
🌱
Grow
Indoor / Outdoor
💡

Grower tip: Maintain strong airflow — dense indica buds risk mold in late flower

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$15.39CAD

Premium stabilized genetics · germination guaranteed

Generates medium-high production in both indoor and outdoor setups
Hits with clean relaxed effects that shine during evening
Indica-dominant genetics with stable, consistent phenotype

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Reliable performer for home cultivators
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Trusted by thousands of Canadian growers

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 2026-03-09 on 225 seeds.

Germination rate: 96.0% (n=225)
Last QC test date: 2026-03-09
Indoor yield: 486-630 g/m² (avg across 6 verified grower reports)
Outdoor yield: 566-908 g/plant (avg across 9 verified grower reports)

About Black Rose Feminized

The Canadian seed market has no shortage of indica options, but Black Rose Feminized has earned a reputation for performing when it matters. The Relaxed and Calm effects arrive with intention — this is not a background strain. At 20-24% THC, every session has substance, and the herbal and woody terpene character ensures you actually enjoy the ride.

What makes Black Rose Feminized particularly relevant for Canadian growers is the way it handles environmental variation. The photoperiod structure lets you veg as long or as short as your setup demands, giving full control over final canopy size. Growers often find that this indica pheno stays true to form across multiple seeds, which means less guesswork and more consistency harvest to harvest.

Effects & Experience

The Relaxed onset from Black Rose Feminized does not creep — it announces itself within the first five minutes and sets the pace for everything that follows. At low doses (one or two pulls from a vaporizer), the experience stays functional: a noticeable Relaxed shift paired with mild Calm undertones that let you carry on with your evening or afternoon. Bump the dose up and the undefined quality becomes the center of gravity, pulling you deeper into the indica experience.

The intensity curve here is worth understanding. The first 20 minutes bring the cerebral component — a gentle mood lift and slight perspective shift. Then the body catches up, and that is where this strain earns its indica reputation. Physical tension dissolves from the shoulders down, and the urge to move diminishes steadily.

In real use, Black Rose Feminized works best for evening wind-down sessions, post-workout recovery, or those nights where sleep is the end goal but you want to enjoy the runway getting there. The Calm quality persists through the tail end of the session, and the comedown is clean — no foggy aftermath or next-morning drag. Most users report a total duration of 2-3 hours, though tolerance and consumption method shift that window in either direction.

Flavor & Terpene Profile

Describing the taste of Black Rose Feminized to someone who has not tried it: imagine leading with herbal, adding a layer of woody, and finishing with a subtle mossy note that ties the experience together. That sequence plays out the same way every session, which is part of what makes this strain reliable as a daily driver.

The Caryophyllene terpene is the architect of the flavor. Its peppery, spicy character forms the base that everything else sits on. During the growing cycle, this terpene begins expressing around week four of flower and reaches peak intensity in the final days before harvest. Growers who run Black Rose Feminized notice the shift — the tent goes from smelling generically "planty" to smelling specifically and unmistakably like herbal.

Inhale versus exhale is where the terpene layering becomes apparent. The draw brings herbal cleanly, with moderate smoke density and no harshness. The exhale introduces Linalool (floral, lavender) and Valencene (orange, citrus) compounds that were masked on the inhale by the dominant Caryophyllene. This layered reveal is what terpene connoisseurs mean when they talk about "complexity" — it is not a buzzword, it is literally the difference between tasting one thing and tasting three.

Why it matters for the experience: Caryophyllene does not just flavor the smoke. It contributes stress-reducing and mood-elevating properties that shape the Relaxed character of the high. Linalool adds calming and tranquil modulation. The combined result is an entourage effect where the terpenes actively participate in the psychoactive experience rather than sitting passively as flavor compounds.

Curing note: Black Rose Feminized needs a minimum of three weeks in jars at 60-65% relative humidity before the full flavor develops. We have seen batches where the terpene expression doubled between week two and week five of curing. Patience here is not optional — it is the difference between good flower and great flower.

Growing Black Rose Feminized in Canada

Let's break down Black Rose Feminized from a cultivation standpoint. A solid intermediate strain — it requires basic growing competence but does not demand the constant fine-tuning that advanced cultivars need.

Lifecycle Overview: - Germination: 2-5 days at 75-80°F - Seedling: 1-2 weeks (gentle light, high humidity) - Vegetative: 4-6 weeks recommended (adjust for space) - Flower: 7-9 weeks - Total: 14-18 weeks from seed depending on veg length

Indoor Results: 80-120cm height, 400-550g/m² yield. The plant structure is naturally compact with minimal need for height management. Focus training efforts on canopy width rather than height control.

Outdoor Potential in Canada: 450-650g/plant per plant with proper care. The biggest factor for Canadian outdoor success is timing. Plant outdoors after your region's last frost date (May to early June for most of Canada). The plant needs to be flowering by early August — if natural day length triggers the switch, you are on schedule. If not, consider light deprivation techniques.

Canadian Climate Specifics: - Temperature: Optimal range 68-82°F. Canadian nights can drop below comfort zone from late September onward. Insulate outdoor pots or use thermal mass (water jugs) near plants to buffer nighttime temperature drops. - Humidity: Canadian autumn brings 70-90% humidity in many regions. This is dangerous territory for the dense buds this strain produces. Have a rain cover or greenhouse ready. - Frost: First frost in southern Canada typically arrives late September to mid-October. Plan harvest 2-3 weeks before expected first frost to have a safety margin.

Feeding Protocol: Full nutrient program including base nutrients, CalMag (especially under LED), and targeted bloom supplements during weeks 3-6 of flower. Monitor runoff EC and adjust input strength to maintain 20% runoff. Refer to our germination guide for additional growing techniques. Browse our feminized cannabis seeds and indica strains for comparable genetics.

Black Rose Feminized — Seed Selection & Storage Tips

Before you start growing Black Rose Feminized, a few notes on getting the most from your seed purchase and setting yourself up for a successful run.

Seed viability: Cannabis seeds from reputable sources maintain germination rates above 90% when stored correctly. Keep Black Rose Feminized seeds in their original packaging, in a cool (40-50°F) and dark location until you are ready to germinate. A refrigerator door shelf works well for most growers. Avoid freezing unless you plan to store for more than a year — freeze-thaw cycles can damage the seed coat and reduce germination rates.

Germination method for Black Rose Feminized: The paper towel method remains the most reliable approach. Place seeds between damp (not soaking) paper towels in a sealed container, keep at 75-80°F, and check every 12 hours. Most Black Rose Feminized seeds crack within 48 hours, with the taproot emerging by hour 72. Transplant to your starting medium once the taproot reaches 1-2cm in length. Point the taproot downward and cover with 1cm of medium. Check our germination guide for the full step-by-step process.

Selecting the right phenotype: If you pop multiple seeds, look for the plant that shows the strongest structural development during early veg. The one with the thickest stem and tightest node spacing at week two typically becomes the best producer. In packs of 3-5 seeds, running all of them and selecting the best performer for cloning is standard practice for growers who want to optimize subsequent cycles.

Planning your next run: Once you have harvested Black Rose Feminized, assess what you would change. Did the plants stretch more than expected? Flip earlier next time. Did the flavor disappoint? Extend the cure. Did you see nutrient burn? Reduce feed strength by 15-20%. Every grow cycle teaches something, and Black Rose Feminized is forgiving enough that the lessons come without catastrophic crop loss. Keeping a simple grow journal — date, action, observation — turns each cycle into a progressively better version of the last.

Companion strains: Growers running Black Rose Feminized often pair it with a contrasting strain type for variety. A sativa or sativa-dominant hybrid on the other side of the tent provides daytime flower to complement Black Rose Feminized's evening orientation. Browse our feminized cannabis seeds for compatible genetics.

Who Black Rose Feminized Is For

Straight answer: Black Rose Feminized is for growers who have the basics handled and want a strain that rewards the investment of time and attention during flower. The photoperiod format gives experienced growers control over plant size and cycle timing, which translates into customizable harvests.

If your goal is Evening, Black Rose Feminized is built for that. The Relaxed primary effect and 73/27 indica-sativa balance make it a go-to choice for evening consumers who want reliable relaxation.

Indoor grower profile: Works in tents from 2x4 to 4x8. The 80-120cm height range is manageable with standard equipment. Smaller spaces benefit from more plants at shorter veg times; larger spaces can run fewer plants with extended veg for bigger canopies.

Outdoor grower profile: Best suited for Canadian zones 5 and warmer where the season length supports a complete photoperiod flowering cycle before October frost arrives.

Who this is NOT for: Daytime-only consumers who need energizing effects. This strain leans physical and eventually sedating at full dose.

How Black Rose Feminized Compares

In the indica category, Black Rose Feminized sits alongside cultivars like Danky Doodle Feminized, Rose Bud Feminized, Blue Diesel Feminized. Here is how it stacks up.

Versus other indica seeds: The 20-24% THC range is competitive without being extreme — it trades a few THC points for better terpene expression and growing reliability. The herbal flavor profile differentiates it from indica strains that lean toward more generic terpene expressions.

Photoperiod advantages: Compared to autoflower versions of similar genetics, Black Rose Feminized offers higher yield ceilings, more training flexibility, and typically stronger potency. The cost is a longer total cycle time and the requirement to manage light schedules.

What makes Black Rose Feminized stand out: The density of the physical effects. Many indicas claim deep relaxation but deliver mild comfort. This one commits to the body stone. The Caryophyllene-forward terpene character is distinctive enough that blind taste tests consistently identify this strain correctly.

Effects

😌Relaxed
72% of people reported feeling Relaxed
🧘Calm
67% of people reported feeling Calm
😴Sleepy
65% of people reported feeling Sleepy
😊Happy
51% of people reported feeling Happy
🤤Hungry
48% of people reported feeling Hungry
🤗Euphoric
40% of people reported feeling Euphoric
🌿Stress Relief
27% of people reported feeling Stress Relief
💆Body High
24% of people reported feeling Body High
😶‍🌫️Sedated
21% of people reported feeling Sedated

Best For

Evening
Relaxation
Sleep Support

Strain Type

Indica 73%Sativa 27%

Strain Data Sheet

🧬THC22% - 26% (High)
🌿LineageMaster Kush × Blueberry
🔬TypeFeminized Indica
🌡ClimateCool, Temperate
📅HarvestEarly - Mid October
📏Height3.2 - 5.3 ft | 95 - 160 cm
⚖️YieldMedium - High
🏠Yield Indoor13.2 oz/ft² | 375 - 550 g/m²
🌳Yield Outdoor17 - 21 oz/plant | 475 - 600 g/plant
Flowering Time8 - 10 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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Black Rose Feminized
royalkingseeds.ca
IG
FB
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🔒Sealed for authenticity
💧Waterproof coating
🛡️Aluminium interior lining
🏷️Protective sticker
📱QR code verification
🔢Scratchable serial number

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Black Rose 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
Filial Stabilization (F4) — four-generation selection
Stabilization Notes — What This Means for Your Grow

Black Rose has been worked across four cycles of pheno hunting and selection. Vigor, resin density, and finish window are all locked across the pack — every plant performs to the spec sheet we publish.

Breeding Goal

Stabilize the Black Rose cross over four selection generations.

Selection Focus

Picked for trichome saturation, stout build, and a consistent flowering window.

Pollen / Mother Source

Royal King Genetics elite-cut archive — pollen taken from a maintained S1 line of the original elite mother.

Last Batch QC Verified
January 18, 2026· 99%+ germination
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