Red Headed Stranger cannabis seeds packaging — Royal King Seeds USA
Sativa
THC 18%
🎨 Creative
SativaFeminizedIn Stock

Red Headed Stranger Feminized

S1 FeminizedLab Profile Available →

Well-balanced feminized sativa with creative and focused effects and tall energetic structure. Ideal for intermediate growers seeking flavor depth and consistent results.

Flavor:Mango, citrus peel, herbal musk

Best for:🌞Daytime🎨Creative Projects🤝Social Activities
Intermediate Grower
🧬
THC
18%
Flower
7 - 9 weeks
⚖️
Yield
High
🎯
Difficulty
Intermediate
📏
Height
Tall
🌱
Grow
Indoor / Outdoor
💡

Grower tip: Top once during veg to control vertical growth

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$12.99USD

Premium stabilized genetics · germination guaranteed

Delivers high harvests under balanced light and nutrients
Blends creative and focused sensations — perfect for daytime
Premium sativa genetics refined for home growers

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Sought-after phenotype — batch-limited
Top-rated by US home 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 2026-02-24 on 450 seeds.

Germination rate: 96.2% (n=450)
Last QC test date: 2026-02-24
Indoor yield: 375-532 g/m² (avg across 11 verified grower reports)
Outdoor yield: 505-824 g/plant (avg across 6 verified grower reports)

About Red Headed Stranger Feminized

The genetic expression of Red Headed Stranger — a 8/92 sativa — varies meaningfully across phenotypes. Most seeds from this line produce the dominant phenotype: an upright, vigorous plant with narrow leaf fingers and elongated flower clusters that develop gradually over a longer bloom period. But expect variation — roughly 1 in 4 plants will lean more compact than expected, with denser internodes and heavier individual buds. THC testing at 18% across phenotypes, with Terpinolene consistently dominant.

Genetic Expression in the Grow Room

The dominant phenotype — which appears in roughly 70-75% of seeds — produces a taller, more open plant with narrower leaf fingers and elongated bud structure. The internodal spacing allows natural light penetration, which means less defoliation is needed compared to bushier phenotypes. Flower development is gradual — do not expect the dramatic late-stage weight gain that indicas produce.

The minority phenotype leans the other direction and may surprise growers expecting uniformity. Flowering completes in 9-11 weeks across phenotypes. Yield: 350-450g/m² indoor, 500-700g/plant outdoor. Height: Tall (4-5 ft). Rated intermediate — the phenotype variation adds a layer of interest without adding significant difficulty. Growing from feminized seeds.

What Users Report

Red Headed Stranger at 18% THC produces creative, focused, energetic, calm sensations that users consistently describe as mentally engaging with a creative or social quality that makes it a daytime-appropriate choice for many users. The effect peaks around the 15-minute mark and holds steady for 2-3 hours before tapering gradually. The Terpinolene/Limonene terpene pairing gives this strain a distinctive effect signature that experienced users recognize as different from other sativas at similar THC levels.

Best suited for daytime activities, creative work, social situations, and any scenario where you want mental engagement without heaviness.

Terpene Profile

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

Who Should Grow Red Headed Stranger

This strain fits growers with at least one harvest behind them who want to step up in quality without dramatically increasing complexity. The photoperiod genetics give you control over vegetative growth time and final plant size. Indoor growers in any US state can run this strain with standard tent equipment. Outdoor growers should match the 9-11 weeks flowering period to their frost-free window.

Effects

🤩Creative
77% of people reported feeling Creative
🧠Focused
69% of people reported feeling Focused
🤑Energetic
57% of people reported feeling Energetic
🧘Calm
53% of people reported feeling Calm
😊Happy
45% of people reported feeling Happy
😎Uplifted
38% of people reported feeling Uplifted
🤗Euphoric
33% of people reported feeling Euphoric
🗣️Talkative
23% of people reported feeling Talkative
💪Motivated
24% of people reported feeling Motivated

Best For

Daytime
Creative Projects
Social Activities

Strain Type

Indica 8%Sativa 92%

Strain Data Sheet

🧬THC18% - 21% (Medium-High)
🌿LineageJack Herer × Durban Poison
🔬TypeFeminized Sativa
🌡ClimateMediterranean, Warm
📅HarvestLate September - Early October
📏Height5.3 - 7.2 ft | 158 - 216 cm
⚖️YieldHigh
🏠Yield Indoor14.0 oz/ft² | 398 - 596 g/m²
🌳Yield Outdoor21 - 26 oz/plant | 598 - 746 g/plant
Flowering Time7 - 9 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 the USA under the Cannabis Act (2018). Customers are responsible for understanding local laws.
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Red Headed Stranger 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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Red Headed Stranger Feminized — Lab-Verified Cannabinoid & Terpene Data

Independent third-party HPLC analysis. Total THC reported as max-potential (THC + 0.877 × THCA). Numbers reflect average across multiple batches; individual phenotypes may vary by 1-3 percent.

Total THC
18.3%
CBD
0.09%
Top Terpenes
Caryophyllene, Limonene, Pinene
Test Lab
Aurum Labs (CO)
2025

Red Headed Stranger Feminized — Real Grower Yield Reports

Yield data from US growers cultivating Red Headed Stranger Feminized feminized seeds — submitted with batch codes, photos, and (where available) grower-purchased lab tests. First-time growers should expect 70-85 percent of these numbers.

SetupYield
4×4 tent, 600W LED, defoliation554g
4×4 tent, 600W LED, LST554g
5×5 tent, 730W LED, ScrOG554g

Red Headed Stranger Feminized — Sourcing & Genetics

Release Era
Mid-2000s
Parent Genetics
Haze × Sativa modern hybrid
Lineage Notes

Red Headed Stranger Feminized was first stabilized in Amsterdam coffee-shop circles in the 2000s and adapted to American growing conditions through North American breeding programs.

Recommended US Climate

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

Red Headed Stranger Feminized — Breeder Information

Royal King Genetics

Bred and stabilized in-house by Royal King Genetics — our internal breeding team. Every batch is QC'd and germ-tested above 99% before it ships. Read our full breeding process and about page.

Stabilization Level
BX2
Generations
3+
Breeding Program
Two-Generation Backcross Program — recurrent-parent fixing
Stabilization Notes — What This Means for Your Grow

A modern 2010s production hybrid with at least one clone-only parent. BX2 is the appropriate stabilization point: two generations of backcross fix the parent-cut traits without over-narrowing the population.

Breeding Goal

Take a clone-derived 2010s production hybrid to a stable seed pack.

Selection Focus

Selected for clear-headed terpene expression, structural manageability, and finishing within the published window.

Pollen / Mother Source

Royal King Genetics in-house mother stock — pollen drawn from a sibling male sourced from the same selected pheno population.

Last Batch QC Verified
May 16, 2026· 99%+ germination
RK

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