Silverback Gorilla is an indica-dominant hybrid cannabis strain known for its potent sedative effects and high THC levels. It is often chosen by experienced users seeking strong body relaxation, pain relief, and deep sedation. This strain is particularly well-regarded for insomnia, stress, and chronic pain management.
Silverback Gorilla is a cross between Grape Ape and Super Silver Haze, two well-known strains that contribute to its powerful indica properties and intense euphoric effects.
Parental Strains:
Grape Ape (Indica-Dominant)
Genetics: Afghani x Skunk x Mendo Purps
Effects: Deep body relaxation, stress relief, sedation
The Grape Ape genetics provide strong sedative properties, leading to muscle relaxation and sleep induction.
Super Silver Haze contributes a slight energetic uplift in the initial high, but the indica dominance takes over quickly, resulting in full-body relaxation.
Aroma, Flavor, and Appearance
Aroma Profile
Earthy & Woody: A deep, musky aroma reminiscent of damp forests.
Grape & Berry Notes: Subtle hints of sweet fruitiness, inherited from Grape Ape.
Pungent Diesel Undertones: A sharp, fuel-like scent due to high terpene content.
Flavor Profile
Sweet and Fruity: A grape-berry flavor on inhalation.
Spicy & Herbal Exhale: With a touch of diesel.
Smooth, Thick Smoke: Some users report a harsh smoke if combusted at high temperatures.
Appearance
Dense, Dark Green Buds: Thick, tightly packed nugs.
Deep Purple Hues: Due to anthocyanin pigments, especially when grown in cooler environments.
Frosty White Trichomes: Heavy THC crystal production gives it a sticky, resinous feel.
Fiery Orange Pistils: Providing contrast against the dark green/purple base.
Cannabinoid and Terpene Profile
Cannabinoid Content
Cannabinoid
Percentage
THC
22-28%
CBD
0.1-0.3%
CBG
1-2%
CBN
0.1-0.5%
High THC Levels: Responsible for Silverback Gorilla’s powerful psychoactive effects and sedation.
Low CBD Content: Not ideal for users seeking a non-psychoactive medical option.
Moderate CBG Levels: May contribute to anti-inflammatory and neuroprotective properties.
Terpene Profile
Terpene
Aroma
Effects
Myrcene
Herbal, earthy, musky
Sedative, muscle relaxant, anti-inflammatory
Caryophyllene
Spicy, peppery, woody
Pain relief, anti-anxiety, anti-inflammatory
Limonene
Citrusy, sweet
Mood enhancement, stress relief
Dominant Myrcene: Contributes to couch-lock, sedation, and relaxation.
Caryophyllene: A unique terpene that interacts with CB2 receptors, giving anti-inflammatory benefits.
Limonene: Provides a subtle euphoric lift, preventing the high from becoming overwhelmingly sedative.
Effects and Usage
Onset and Duration
Onset: 5-15 minutes after inhalation.
Peak Effects: 30-60 minutes.
Duration: 2-4 hours (longer for edibles).
Recreational Effects
Euphoria & Mental Calmness
Initial uplift from limonene and Super Silver Haze genetics.
Quickly transitions into a deep, relaxing body high.
Heavy Body Sedation
Myrcene and high THC levels induce full-body relaxation.
Users describe a weighted sensation and couch-lock.
Sleep Induction
Strongly recommended as a nighttime strain due to potent sedative effects.
Hunger Stimulation (“Munchies”)
Stimulates appetite, making it useful for individuals with eating disorders or nausea.
Medical Benefits
Medical Condition
Effectiveness
Chronic Pain
(Excellent)
Insomnia
(Excellent)
Stress & Anxiety
(Very Good)
Depression
(Moderate)
Appetite Loss
(Excellent)
Muscle Spasms
(Very Good)
Best for Pain Management: Used for arthritis, migraines, and post-surgical pain.
Effective for Insomnia: The strong sedative properties make it one of the best strains for sleep.
Mood Enhancement: While not as uplifting as pure sativas, it reduces anxiety and stress.
Scientific Insights
Pharmacology
THC binds to CB1 receptors in the brain, causing euphoria, relaxation, and pain relief.
Caryophyllene interacts with CB2 receptors, providing anti-inflammatory benefits.
Myrcene increases cell permeability, allowing for quicker absorption of cannabinoids, which may explain the rapid sedative effects.
Neurochemical Impact
Increases Dopamine Levels: Leading to temporary euphoria.
Suppresses GABA Activity: Causing muscle relaxation and sedation.
Reduces Cortisol Levels: Leading to stress and anxiety reduction.
Potential Side Effects
Side Effect
Likelihood
Dry Mouth
High
Dry Eyes
Moderate
Dizziness
Moderate
Paranoia/Anxiety
Low (in sensitive users)
Cultivation Information
Ideal Growing Conditions
Factor
Requirement
Grow Difficulty
Intermediate
Climate
Warm & humid (70-80°F or 21-27°C)
Humidity Level
Vegetative: 50-60% RH; Flowering: 40-50% RH
Lighting Needs
600W – 1000W HPS or Full-Spectrum LED
Flowering Time
8-9 weeks
Indoor vs. Outdoor
Performs best indoors but can thrive outdoors in warm climates
Yield
Indoor: 1.5-2 oz/sq ft (Outdoor: 18-22 oz/plant)
Climate Considerations
Indoor growing is preferred due to Silverback Gorilla’s dense bud structure, which makes it susceptible to bud rot and mold if humidity is too high.
If growing Silverback Gorillaoutdoors, a Mediterranean-style warm, semi-humid climate is ideal.
Temperature control is crucial to prevent stress-induced hermaphroditism, which can cause plants to develop male flowers and reduce bud quality.
Soil vs. Hydroponics for Silverback Gorilla
Soil Cultivation
Best for flavor and terpene expression.
A well-draining soil rich in organic matter (worm castings, compost, perlite) works best.
pH Range: 6.0-6.5
Recommended Soil Amendments:
Mycorrhizal fungi: Increases root absorption of nutrients.
Bat guano & kelp meal: Improves terpene production.
Perlite & vermiculite: Enhances soil aeration.
Hydroponic Cultivation
Best for high THC yield and fast growth.
Involves nutrient-rich water without soil, often using Deep Water Culture (DWC) or Ebb and Flow.
pH Range: 5.5-6.0
Advantages:
Faster growth (30-50% faster than soil).
Higher potency (THC can reach up to 30% under optimal hydroponic conditions).
Challenges:
More susceptible to root rot if not maintained properly.
Requires precise EC (Electrical Conductivity) monitoring to ensure nutrient balance.
Lighting Requirements
Indoor Grow Setup
Vegging Stage (18/6 Light Cycle):
LED or MH (Metal Halide) lights at 400-600 PPFD.
Ideal spectrum: Blue (400-500 nm) for compact growth.
Flowering Stage (12/12 Light Cycle):
HPS (High-Pressure Sodium) or Full-Spectrum LED at 700-900 PPFD.
Red Spectrum (620-700 nm) encourages bud production.
Best Light Intensity (PPFD Levels):
Seedling: 300-400 PPFD
Vegetative: 400-600 PPFD
Flowering: 700-900 PPFD (avoid excess light to prevent light burn).
Outdoor Growing
Silverback Gorilla needs six to eight hours of direct sunlight each day.
Silverback Gorilla is best suited for Mediterranean-like climates with warm temperatures.
Can be supplemented with greenhouse LED lighting to extend Silverback Gorilla growing seasons.
Nutrient Requirements & Feeding Schedule
Essential Nutrients
Growth Stage
N (Nitrogen)
P (Phosphorus)
K (Potassium)
pH Level
Seedling
Low
Medium
Low
6.0-6.5 (Soil) / 5.5-6.0 (Hydro)
Vegetative
High
Medium
Medium
6.0-6.5 (Soil) / 5.5-6.0 (Hydro)
Flowering (Weeks 1-4)
Medium
High
High
6.0-6.5 (Soil) / 5.5-6.0 (Hydro)
Flowering (Weeks 5-9)
Low
High
Very High
6.0-6.5 (Soil) / 5.5-6.0 (Hydro)
Best Fertilizers
Vegetative Stage:
Nitrogen-rich nutrients (e.g., Fish Emulsion, Blood Meal).
Ideal N-P-K ratio: 4-2-3.
Flowering Stage:
Phosphorus & Potassium-heavy nutrients (e.g., Bone Meal, Bat Guano).
Ideal N-P-K ratio: 2-8-6.
Flushing Period (Last 1-2 Weeks)
Use pure water with pH-balanced solutions to remove nutrient buildup on Silverback Gorilla.
Improves flavor and smoothness by reducing excess salts.
Advanced Techniques for Higher Yields
1. Low-Stress Training (LST)
Involves bending branches of Silverback Gorillawithout cutting to increase light exposure.
Works well for Silverback Gorilla, as it prevents overcrowding.
2. High-Stress Training (HST)
Topping (Cutting main cola) to encourage multiple bud sites.
Supercropping (Gently damaging branches) to increase THC production.
3. Sea of Green (SOG) Method
Entails cultivating numerous little plantsofSilverback Gorillain close proximity to one another.
Encourages fast flowering of Silverback Gorilla and maximized yield per square foot.
4. Screen of Green (ScrOG) Method
Uses a mesh screen to spread out Silverback Gorilla branches.
Ensures even light distribution for larger colas.
Pest and Disease Control
Common Pests
Pest
Prevention & Treatment
Spider Mites
Neem oil, predator insects (ladybugs)
Aphids
Insecticidal soap, garlic spray
Fungus Gnats
Yellow sticky traps, dry topsoil before watering
Common Diseases
Disease
Cause
Solution
Bud Rot (Botrytis)
High humidity
Maintain 40-50% RH, increase airflow
Powdery Mildew
Poor ventilation
Apply potassium bicarbonate spray
Harvesting & Curing Process
1. Harvest Timing
Trichome Color Check:
Milky Trichomes = Peak THC (Best for strong effects).
Amber Trichomes = More CBN (More sedative effects).
Pistil Color:
80% darkened = Optimal time to harvest.
2. Drying Process
Hang buds upside down in a dark room at 60-70°F.
Humidity Level: 45-55% for 7-10 days.
3. Curing Process
Place buds in airtight glass jars.
Open jars once a day for 15 minutes (burping) for 2-4 weeks.
Transdermal patches with ethanol or carrier enhancers allow cannabinoids to enter the bloodstream, producing systemic effects.
Best for localized pain relief without intoxicating effects.
B. Suppositories
Method: Rectal or vaginal absorption of cannabinoids.
Onset: 10-20 minutes.
Duration: 4-6 hours.
Bioavailability: High, up to 50-70% due to direct absorption through rectal mucosa.
Effects: Avoids first-pass metabolism, reducing psychoactivity while retaining medicinal effects.
Scientific Insights
More efficient absorption than oral ingestion.
Used for severe pain, gastrointestinal disorders, and patients who cannot ingest orally.
Comparison to Similar Strains
Strain
Similarities
Differences
Granddaddy Purple
Strong sedation, grape flavor
More euphoric, less potent THC
Northern Lights
Heavy indica effects
Less fruity, more earthy
Gorilla Glue #4
Relaxing, high THC
More balanced hybrid effects
Conclusion
Silverback Gorilla is a powerful indica-dominant strain best suited for experienced users seeking deep relaxation, pain relief, and sleep aid. With high THC levels, strong sedative effects, and a complex terpene profile, it is one of the top choices for nighttime medical and recreational use.