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

Blackberry Feminized

S1 FeminizedSee Lab Report →

Potent feminized indica with relaxed and sleepy effects and short stocky growth and heavy trichomes. Ideal for intermediate growers seeking potency and reliable yields.

Flavor:Blueberry, vanilla, warm spice

Best for:🌙Evening🛋️Relaxation😴Sleep Support
Intermediate Grower
🧬
THC
22%
Flower
9 - 11 weeks
⚖️
Yield
Medium - High
🎯
Difficulty
Intermediate
📏
Height
Medium
🌱
Grow
Indoor / Outdoor
💡

Grower tip: Keep humidity below 50% during the last 3 weeks of flower

Select Pack Size
$18.19CAD

Premium stabilized genetics · germination guaranteed

Produces medium-high yields with proper training and spacing
Brings pronounced relaxed effects tailored for evening
Stabilized indica genetics delivering predictable results

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Community-verified premium genetics

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 2026-03-11 on 375 seeds.

Germination rate: 96.5% (n=375)
Last QC test date: 2026-03-11
Indoor yield: 432-592 g/m² (avg across 8 verified grower reports)
Outdoor yield: 496-788 g/plant (avg across 3 verified grower reports)

About Blackberry Feminized

Blackberry Feminized is not the loudest strain on the shelf, and that is exactly why experienced growers keep coming back to it. The indica genetics deliver Relaxed effects with a reliability that flashier cultivars cannot match. The Linalool terpene gives every bud a floral, lavender character that anchors the smoke, while grape and plum notes round out the profile.

For the numbers: 20-24% THC, 72/28 indica-sativa, photoperiod lifecycle. But numbers only tell part of the story. What matters is how this strain grows in a real Canadian setup — and the answer is dependably. It rewards attention without punishing the occasional off day. That kind of resilience is worth more than a few extra THC points.

Effects & Experience

Breaking down what Blackberry Feminized actually does to you: the Relaxed quality hits first, and it hits with conviction. This is a indica that knows what it is — there is no ambiguity about the experience you are signing up for. The 72/28 split reads clearly in the high: heavy limbs, quiet mind, a sense that gravity has increased and you are perfectly fine with it.

The Sleepy secondary effect is the one people tend to mention when describing why they come back to this strain. It does not overpower the primary Relaxed quality — it enriches it. Think of it as the difference between a one-note synthesizer and a full chord. The Happy quality surfaces during the back half of the session and provides the emotional resolution.

For morning versus evening use: evening, full stop. Trying to use this strain productively before noon is swimming upstream.

THC testing at 20-24% puts Blackberry Feminized in the moderate-to-strong range — accessible but not trivial.

Flavor & Terpene Profile

Blackberry Feminized announces its terpene profile before you even grind the bud. The jar aroma is grape-dominant with plum supporting notes — a preview of what the smoke delivers. The Linalool content is responsible for the floral, lavender foundation, and it expresses itself with genuine intensity in well-grown and properly cured examples.

The inhale is where first impressions form. grape takes center stage, carried by smooth, medium-density smoke that sits well on the lungs. There is no harshness or hay-like quality when the cure is right — just clean flavor from start to finish. The transition to exhale reveals a second layer: plum comes forward, and subtle blueberry notes add complexity that keeps each draw interesting. The aftertaste is berry with a persistence that lasts 20-30 seconds — long enough to savor.

For vaporizer users, Blackberry Feminized rewards low-temperature sessions. Starting at 335°F captures the lightest terpenes — expect bright grape notes with a clarity that combustion cannot match. Stepping up to 360°F brings in the Bisabolol (sweet, floral, chamomile) compounds, adding body and depth. Above 380°F, you are extracting efficiently but the flavor profile compresses into a one-note character.

The science behind the flavor: Linalool makes up the largest share of the terpene fraction and is responsible for both the floral, lavender taste and the calming and tranquil contribution to the overall experience. Bisabolol plays a dual role — its sweet, floral, chamomile flavor notes are enjoyable on their own, but this terpene also contributes gentle and soothing properties that synergize with the THC content. The third player, Terpinolene, contributes herbal, floral, woody accents that prevent flavor fatigue during longer sessions.

Why this matters: terpenes are not just about taste. The Linalool and Bisabolol combination in Blackberry Feminized actively shapes the character of the high. Strains with similar THC percentages but different terpene profiles produce noticeably different experiences — this is the entourage effect in action, and Blackberry Feminized demonstrates it clearly.

Growing Blackberry Feminized in Canada

Blackberry Feminized is classified as a intermediate-level grow, and that rating holds up in practice. As a photoperiod strain, you control the vegetative period by maintaining 18+ hours of light, then triggering flower by switching to 12/12. Most growers veg for 4-6 weeks, though space-constrained setups can flip earlier with modest yield reduction.

Indoor Performance: Under a quality LED (600-800 PPFD during flower), Blackberry Feminized reaches 80-120cm and produces 400-550g/m² when given proper conditions. The compact structure means four plants per 4x4 tent works well in a SOG configuration. Expect tight internodes and bushy lateral growth that fills the canopy naturally.

Outdoor Performance: In Canadian zones 5b-7a (southern Ontario, BC Lower Mainland, southern Prairies), Blackberry Feminized needs to be started indoors in April and transplanted outside after the last frost date for your region. Harvest timing is critical — this strain finishes flowering in 7-9 weeks, and Canadian growers need to work backwards from their first expected frost date (typically late September to mid-October depending on location). Outdoor yields reach 450-650g/plant in good conditions.

Height and Stretch: Minimal stretch during the flowering transition — expect 30-50% height increase in the first two weeks of 12/12. This makes height management straightforward for indoor growers. This strain reaches its final height of 80-120cm by the end of the stretch phase.

Feeding Sensitivity: Pay attention to nitrogen sensitivity during the flower transition — some phenotypes show tip burn at full-strength veg nutrients. Taper nitrogen during the first two weeks of flower and shift to a bloom-heavy P-K ratio. CalMag supplementation is recommended under LED lighting.

Common Mistakes: The most frequent issue growers report with Blackberry Feminized is insufficient airflow through the dense canopy during late flower. The tight bud structure is prone to humidity-related issues (bud rot, powdery mildew) if air circulation is poor. Defoliate the interior at day 21 of flower and maintain consistent airflow through the canopy.

Canadian Climate Notes: Humidity spikes during September and October are the biggest threat to outdoor growers running Blackberry Feminized. Late-finishing phenotypes may need protection from rain during the final weeks. A simple hoop house or tarp cover can save your harvest from botrytis. Frost tolerance is low — protect outdoor plants if overnight temperatures drop below 2°C. Check our germination guide for detailed techniques. Browse our feminized cannabis seeds and indica strains for related genetics.

Post-Harvest Processing of Blackberry Feminized

The work does not end at chop. How you process Blackberry Feminized after harvest has as much impact on final quality as the entire grow cycle that preceded it. Growers often find this is where they either lock in everything they worked for or let it slip through their fingers.

Wet trim vs dry trim: With the dense bud structure of this strain, a light wet trim of the largest fan leaves followed by a full dry trim produces the best results. Removing the large fans at chop improves airflow around the dense buds during drying, reducing the risk of mold in the bud interior. Either approach works — consistency is more important than the specific method.

Drying environment: 60°F, 55-60% relative humidity, complete darkness, gentle air circulation (fan on the wall, not pointed at the plants). In Canadian homes, fall and winter provide naturally cool conditions that support a slow dry. Summer growers may need to run a small air conditioner or dehumidifier to maintain proper conditions. The ideal dry takes 10-14 days. Under 7 days indicates the environment is too warm or dry. Over 18 days suggests it is too cold or humid.

Curing science: Curing is not simply about drying further — it is a controlled decomposition process where chlorophyll breaks down, starches convert to sugars, and terpene profiles develop their full complexity. Blackberry Feminized benefits from extended curing because the Linalool terpene develops slowly. Jars opened at two weeks will taste noticeably different (and better) than the same flower at four weeks. We recommend a minimum four-week cure for this strain.

Quality indicators to watch during cure: The grape aroma should intensify gradually over the first 3-4 weeks. If you detect ammonia or hay-like smells, the flower was jarred too wet — open the jars immediately and allow additional drying before re-sealing. Properly cured Blackberry Feminized should smell cleanly of grape and plum with no off-notes. The buds should feel slightly sticky without being damp, and should break apart with a clean snap rather than crumbling to dust.

For more post-harvest techniques, refer to our germination guide. Comparable strains like Somango Feminized and Dynamite Feminized respond to similar curing protocols.

Who Blackberry Feminized Is For

This section is about honest fit. Blackberry Feminized works well for growers who enjoy the process and consumers who appreciate nuance in their flower. It is a hands-on photoperiod cultivar that rewards deliberate cultivation decisions.

Grower profiles that match: - Home cultivators with standard setups (4-7 feet) running seasonal cycles - Canadian outdoor growers south of zone 4 with enough season for photoperiod flowering - Intermediate to advanced growers looking for a reliable producer

Consumer profiles that match: - Evening users, pain management consumers, sleep seekers - Experienced consumers with established tolerance - Flavor-forward consumers who prioritize grape and plum terpene profiles

Honest disqualifiers: If you need to stay productive after consuming, choose a sativa-dominant option. If you dislike earthy or heavy flavors, the terpene profile may not suit you.

How Blackberry Feminized Compares

Placing Blackberry Feminized in context against similar indica options: Somango Feminized, Dynamite Feminized, Jawa Pie Feminized occupy the same general space but differ in key areas.

Blackberry Feminized brings 20-24% THC, a grape-forward flavor, and intermediate grow difficulty to the table. Where it wins: the terpene profile is more developed than most competitors at this price point, and the Relaxed effects are consistent across seeds and harvests. Where it is matched: yield numbers are in line with category averages. Where competitors may edge ahead: raw potency — growers chasing maximum THC will find higher numbers elsewhere.

Running this as a photoperiod gives you control that autoflower versions cannot offer. Veg as long as your space allows, train aggressively, and push the plant toward its genetic ceiling. The trade-off is time and complexity.

The honest difference: Blackberry Feminized is not trying to be the loudest, strongest, or highest-yielding indica seed available. It aims for consistent, enjoyable quality — and it delivers that reliably. That consistency is its competitive advantage.

Effects

😌Relaxed
72% of people reported feeling Relaxed
😴Sleepy
72% of people reported feeling Sleepy
😊Happy
58% of people reported feeling Happy
🤤Hungry
54% of people reported feeling Hungry
🤗Euphoric
47% of people reported feeling Euphoric
🧘Calm
40% of people reported feeling Calm
🌿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 72%Sativa 28%

Strain Data Sheet

🧬THC22% - 27% (High)
🌿LineageNorthern Lights × Grape Ape
🔬TypeFeminized Indica
🌡ClimateAll Climates (Hardy)
📅HarvestMid - Late October
📏Height2.5 - 4.0 ft | 75 - 120 cm
⚖️YieldMedium - High
🏠Yield Indoor12.5 oz/ft² | 355 - 460 g/m²
🌳Yield Outdoor14 - 18 oz/plant | 405 - 510 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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Blackberry Feminized
royalkingseeds.ca
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🔒Sealed for authenticity
💧Waterproof coating
🛡️Aluminium interior lining
🏷️Protective sticker
📱QR code verification
🔢Scratchable serial number

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Blackberry 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
Royal King Genetics Filial Program — four-generation pheno fixing
Stabilization Notes — What This Means for Your Grow

Blackberry 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 Blackberry 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
August 21, 2025· 99%+ germination
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