Silverback Gorilla cannabis seeds packaging β€” Royal King Seeds USA
Indica
THC 20%
πŸŒ™ Sleep Aid
IndicaFeminizedIn Stock

Silverback Gorilla Feminized

S1 FeminizedLab Profile Available β†’

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

β—‰Flavor:Hash, pine nut, creamy earth

Best for:πŸŒ™EveningπŸ›‹οΈRelaxation😴Sleep Support
Intermediate Grower
🧬
THC
20%
⏱
Flower
8 - 10 weeks
βš–οΈ
Yield
High
🎯
Difficulty
Intermediate
πŸ“
Height
Tall
🌱
Grow
Indoor / Outdoor
πŸ’‘

Grower tip: Maintain strong airflow β€” dense indica buds risk mold in late flower

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$14.99USD

Premium stabilized genetics Β· germination guaranteed

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

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Royal King Genetics β€” 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 400 seeds.

Germination rate: 98.5% (n=400)
Last QC test date: 2026-04-10
Indoor yield: 466-588 g/mΒ² (avg across 10 verified grower reports)
Outdoor yield: 554-872 g/plant (avg across 5 verified grower reports)

About Silverback Gorilla Feminized

The most common mistake growers make with Silverback Gorilla is underestimating how dense the flower structure gets in weeks 6-8, leading to humidity problems inside the buds when airflow is inadequate. This is a strain that demands attention to canopy airflow in late flower β€” not because it is fragile, but because the dense ${indica}/${sativa} structure traps moisture if you do not proactively manage it. At 20% THC with caryophyllene-dominant terpenes, the quality ceiling is high β€” but you have to manage the specific characteristics of this cultivar to reach it.

Growing This Strain: Where Things Go Right and Wrong

The three most common issues growers report with Silverback Gorilla:

1. Nutrient timing at the flip. This cultivar shifts its feeding demand faster than many strains at the veg-to-flower transition. Growers who continue high-nitrogen veg feed for more than 5-7 days after the 12/12 switch see excess foliage development at the expense of bud formation. Switch to bloom nutrients within the first week of seeing pistils.

**2. Late-flower humidity. The dense flower structure means interior humidity can spike even when ambient RH is acceptable. Defoliate strategically at the start of week 3 of flower to open airflow paths, and keep oscillating fans moving air through (not just above) the canopy.

3. Harvest timing. With caryophyllene as the dominant terpene, the aromatic peak does not align perfectly with the trichome maturity peak. Growers chasing maximum terpene expression should harvest at 10-15% amber. Growers prioritizing potency should wait for 15-20% amber. These are different windows β€” know which one you are targeting.

Flowering: 9-11 weeks. Yield: 450-550g/mΒ² indoor / 400-600g/plant outdoor. Height: Short-Medium (2-3.5 ft). Difficulty: intermediate.

Effects and Use

At 20% THC, Silverback Gorilla delivers relaxed, sleepy, happy effects with a caryophyllene-influenced character. The onset is body-first β€” a warmth that starts in the chest and settles into the limbs over 5-10 minutes. At moderate doses, you remain conversational and present. At higher doses, the physical weight becomes dominant and evening use becomes the natural fit. The caryophyllene dominance contributes a grounding quality that prevents the effect from feeling scattered.

Terpene Profile

Dominant terpenes: Caryophyllene (primary), Myrcene (secondary), Bisabolol (tertiary). This combination produces a nose that develops complexity through the cure β€” expect the primary caryophyllene character to emerge first, with myrcene and bisabolol notes adding layers over 3-4 weeks in jars.

Who Should Grow Silverback Gorilla

Best suited for growers who want control over their plant size and harvest timing β€” 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

😌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
πŸ€—Euphoric
47% of people reported feeling Euphoric
🧘Calm
40% of people reported feeling Calm
🌿Stress Relief
27% of people reported feeling Stress Relief
πŸ’†Body High
24% of people reported feeling Body High
πŸ˜Άβ€πŸŒ«οΈSedated
21% of people reported feeling Sedated

Best For

✦ Evening
✦ Relaxation
✦ Sleep Support

Strain Type

Indica 74%Sativa 26%

Strain Data Sheet

🧬THC20% - 24% (High)
🌿LineageGrape Ape Γ— Bubba Kush
πŸ”¬TypeFeminized Indica
🌑ClimateCool, Temperate
πŸ“…HarvestEarly - Mid October
πŸ“Height3.0 - 4.9 ft | 89 - 148 cm
βš–οΈYieldHigh
🏠Yield Indoor14.1 oz/ft² | 399 - 598 g/m²
🌳Yield Outdoor21 - 26 oz/plant | 599 - 748 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 the USA under the Cannabis Act (2018). Customers are responsible for understanding local laws.
1
Silverback Gorilla Feminized
royalkingseeds.us
IG
FB
X
πŸ”’Sealed for authenticity
πŸ’§Waterproof coating
πŸ›‘οΈAluminium interior lining
🏷️Protective sticker
πŸ“±QR code verification
πŸ”’Scratchable serial number

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Silverback Gorilla Feminized β€” Lab-Verified Cannabinoid & Terpene Data

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

Total THC
20.0%
CBD
0.10%
Top Terpenes
Myrcene, Pinene, Caryophyllene
Test Lab
Modern Canna (FL)
2024

Silverback Gorilla Feminized β€” Real Grower Yield Reports

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

SetupYield
4Γ—4 tent, 600W LED, defoliation502g
4Γ—4 tent, 600W LED, LST503g

Silverback Gorilla Feminized β€” Sourcing & Genetics

Release Era
Mid-2000s
Parent Genetics
Bubba Kush Γ— OG Kush descendant
Lineage Notes

Silverback Gorilla Feminized was bred in Spain by a respected European seed bank and selected for stability across multiple climates before reaching the US market.

Recommended US Climate

Cold-tolerant; performs well in short-season Northern states (ME, VT, MN, WI). Indoor cultivation works anywhere.

Silverback Gorilla Feminized β€” Breeder Information

Royal King Genetics

Bred and stabilized in-house by Royal King Genetics β€” 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
F4
Generations
4+
Breeding Program
F4 Production Line β€” modern cross stabilization
Stabilization Notes β€” What This Means for Your Grow

A 2010s production cross stabilized over four generations of selection. Silverback Gorilla grows true-to-type with the dense flower structure that defines the cultivar.

Breeding Goal

Lock dense flower structure consistency across the Silverback Gorilla population.

Selection Focus

Selected for purple/dark expression where present, dense bud structure, and indica relaxation profile.

Pollen / Mother Source

Royal King Genetics elite-cut archive β€” pollen from a maintained S1 line of the original elite mother.

Last Batch QC Verified
July 22, 2025Β· 99%+ germination
RK

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