Critical Kush
aka Critical Purple Kush, CK, Cri
Critical Kush is a potent indica-dominant hybrid (87/13) from Barney's Farm, crossing Critical Mass with OG Kush. Expect deep relaxation, euphoric happiness, and eventual sleepiness, wrapped in earthy, pine, and citrus flavors driven by myrcene and caryophyllene. With THC reaching up to 30%, this award-winning Kush is a nighttime favorite for stress relief, pain management, and drifting off to sleep.
The Short Answer
What kind of high is Critical Kush?
Myrcene-led and earthy-citrus on the palate, most often reported relaxed and picked for sleep & bedtime at night.
Terpenes decide how a strain feels — THC% only decides how strong the dose is. Here is the family, the chemistry behind it, and what people reach for it to do.
Terpenes are the aromatic compounds that shape the character of a high. The blend a strain carries — not its THC percentage — is what makes one feel bright and social and another heavy and sleepy, which is why the top three are listed rather than just the leader.
Terpene percentages belong to the jar, not the strain. They move with harvest timing, drying, cure and shelf age — the lighter ones literally evaporate. What holds steady is which terpenes lead, so that is what we rank.
See the full profile →Learn how terpenes work →- Sedating
- Muscle relaxant
- Anti inflammatory
- Caryophyllene Spicy, peppery, woody
- Limonene Citrus, lemon, orange
Ordered by measured share — the exact percentages shift with every batch and cure.
The effects reported most often across our research sources. Every body is different — set, setting and tolerance all move the result.
- Sleepy
- Euphoric
The activities this strain gets picked for most often, leading with the specific ones rather than the broad buckets nearly every strain shares. A starting point, not a prescription — what works for you is personal.
See the full list →The flavor notes reported most often across our research sources, led by the most specific one — flavor tracks the terpene blend, but cure, age and how you consume it all shift what actually lands on the palate.
See the full profile →- Spicy
The aroma notes reported most often across our research sources — what the jar gives up before you light it. This is the strain's own recorded profile, not the textbook aroma of its lead terpene.
See the full profile →- Spicy
- Best Time night
- Era 2015
- Rarity Common
Genetics Indica-Dominant Hybrid A lineage label, not an effects predictor — most modern flower is a hybrid, and the terpene mix above is what you will actually notice.
Potency Check the label, not the strain Varies by batch, grower and harvest — check the label on the product you are buying. Scan your label → Reported ranges →
Heads up Most reported: dry mouth and dry eyes. Responses vary — start low, go slow. Review safety →
This strain has its own song — hit play, read along, and chill out.
Critical Kush Soundtrack
AI-generated for this strain
Critical Kush Soundtrack
Verse
Chorus
Verse
Chorus
Outro
Your guided read
6 chapters on Critical Kush
Start at the top and work down — each chapter builds on the one before it. Jump to any chapter to read it on its own.
- The Experience How this strain is reported to feel, and when people reach for it.
- Look, Aroma & Taste The smell and flavour you will actually notice — and the terpenes behind them.
- Chemistry & Research Therapeutic reports, published research, and what the lab numbers do — and do not — tell you.
- Using It Well Consumption methods that suit this strain, and the side effects to plan around.
- Where It Comes From The genetics, the breeders, and the recognition it has picked up along the way.
- The Full Story The long-form profile and community video reviews, once you want the detail.
Strain Highlights
Key insights at a glance
The Experience
Professor High Says...
In-depth strain breakdown from Professor High, our AI cannabis expert
The moment this hits, I feel a warm wave of relaxation roll from my shoulders down through my legs — that's the myrcene doing its heavy lifting. Within minutes, my mind softens into a genuinely euphoric, happy calm, thoughts slowing down without shutting off entirely. There's a peppery, earthy exhale that lingers, and I notice my appetite waking up as the caryophyllene works alongside the THC on my body's pain receptors. As the session stretches on, the sedation deepens — my eyelids get heavy, my body sinks into the couch, and I stop fighting it. This isn't a strain that wants you to do anything productive; it wants you horizontal, comfortable, and drifting toward sleep. By the tail end, I'm blissfully calm, slightly foggy, and very ready for bed. Critical Kush doesn't tease you with energy — it commits fully to the indica experience from start to finish.
Effects Profile
Relaxed · Sleepy · Euphoric
Best enjoyed during night
Deep relaxation and sleep
Best For
Sleep & Bedtime · Stress Relief · Relaxing
Effect Sources
- 1 Critical Kush Weed Strain Information leafly.com(opens in new tab)
- 2 Critical Kush Weed Strain | BARNEYS FARM barneysfarm.com(opens in new tab)
- 3 Critical Kush Marijuana Strain Information & Reviews allbud.com(opens in new tab)
- 4 Critical Kush - Cannabis Strain | Cannapedia cannapedia.ai(opens in new tab)
- 5 Critical Kush (Cannabis Strain) strainpedia.com(opens in new tab)
- 6 seedfinder.com seedfinder.com(opens in new tab)
- 7 Critical Kush: Productive Indica Powerhouse royalqueenseeds.com(opens in new tab)
- 8 Critical Kush Strain Info & Reviews | HashDash hashdash.com(opens in new tab)
- 9 Critical Kush - Relaxing High | Myrcene Strain | This Is Why I'm High thisiswhyimhigh.com(opens in new tab)
- 10 Critical Kush, compact and large buds alchimiaweb.com(opens in new tab)
- 11 Critical Kush: Best for Deep Relaxation & Stress Relief growlantis.com(opens in new tab)
- 12 Critical Kush Strain Overview | Thailand | Weed Review weed.review(opens in new tab)
- 13 Critical Kush Cannabis Strain beardbrospharms.com(opens in new tab)
- 14 Critical Kush Feminized Marijuana Seeds | Crop King Seeds cropkingseeds.com(opens in new tab)
- 15 Critical Kush Cannabis Strain Information dnagenetics.com(opens in new tab)
- 16 Critical Kush (Royal Queen Seeds) - Herbies Canada herbiesheadshop.com(opens in new tab)
- 17 Critical Kush - THCFarmer thcfarmer.com(opens in new tab)
- 18 Critical Kush UK UK — Effects, Price & Where to Buy | LeafMe leafme.co.uk(opens in new tab)
- 19 Critical Kush Feminized Seeds | Royal King Seeds USA royalkingseeds.us(opens in new tab)
- 20 Critical Kush (F) – Buy Cannabis Seeds Online | North Atlantic Seed Co. northatlanticseed.com(opens in new tab)
- 21 Critical Kush Cannabis Seeds | Feminised Photoperiod | Cannabis Seeds Shop cannabis-seeds-shop.co.uk(opens in new tab)
21 verified sources
Look, Aroma & Taste
Aroma & Flavor
Earthy · Spicy · Pine
Aroma & Flavor Sources
- 1 Critical Kush Weed Strain Information leafly.com(opens in new tab)
- 2 Critical Kush Weed Strain | BARNEYS FARM barneysfarm.com(opens in new tab)
- 3 Critical Kush Marijuana Strain Information & Reviews allbud.com(opens in new tab)
- 4 Critical Kush - Cannabis Strain | Cannapedia cannapedia.ai(opens in new tab)
- 5 Critical Kush (Cannabis Strain) strainpedia.com(opens in new tab)
- 6 seedfinder.com seedfinder.com(opens in new tab)
- 7 Critical Kush: Productive Indica Powerhouse royalqueenseeds.com(opens in new tab)
- 8 Critical Kush Strain Info & Reviews | HashDash hashdash.com(opens in new tab)
- 9 Critical Kush - Relaxing High | Myrcene Strain | This Is Why I'm High thisiswhyimhigh.com(opens in new tab)
- 10 Critical Kush, compact and large buds alchimiaweb.com(opens in new tab)
- 11 Critical Kush: Best for Deep Relaxation & Stress Relief growlantis.com(opens in new tab)
- 12 Critical Kush Strain Overview | Thailand | Weed Review weed.review(opens in new tab)
- 13 Critical Kush Cannabis Strain beardbrospharms.com(opens in new tab)
- 14 Critical Kush Cannabis Strain Information dnagenetics.com(opens in new tab)
- 15 Critical Kush (Royal Queen Seeds) - Herbies Canada herbiesheadshop.com(opens in new tab)
- 16 Critical Kush - THCFarmer thcfarmer.com(opens in new tab)
- 17 Critical Kush Feminized Seeds | Royal King Seeds USA royalkingseeds.us(opens in new tab)
- 18 Critical Kush (F) – Buy Cannabis Seeds Online | North Atlantic Seed Co. northatlanticseed.com(opens in new tab)
- 19 Critical Kush Cannabis Seeds | Feminised Photoperiod | Cannabis Seeds Shop cannabis-seeds-shop.co.uk(opens in new tab)
19 verified sources
Aromas
Flavors
Terpene Profile
Myrcene leads · 4 terpenes mapped
Terpene Sources
- 1 Critical Kush Weed Strain Information leafly.com(opens in new tab)
- 2 Critical Kush - Cannabis Strain | Cannapedia cannapedia.ai(opens in new tab)
- 3 Critical Kush (Cannabis Strain) strainpedia.com(opens in new tab)
- 4 seedfinder.com seedfinder.com(opens in new tab)
- 5 Critical Kush: Productive Indica Powerhouse royalqueenseeds.com(opens in new tab)
- 6 Critical Kush Strain Info & Reviews | HashDash hashdash.com(opens in new tab)
- 7 Critical Kush - Relaxing High | Myrcene Strain | This Is Why I'm High thisiswhyimhigh.com(opens in new tab)
- 8 Critical Kush: Best for Deep Relaxation & Stress Relief growlantis.com(opens in new tab)
- 9 Critical Kush Strain Overview | Thailand | Weed Review weed.review(opens in new tab)
- 10 Critical Kush Cannabis Strain beardbrospharms.com(opens in new tab)
- 11 Critical Kush Feminized Seeds | Royal King Seeds USA royalkingseeds.us(opens in new tab)
- 12 Critical Kush (F) – Buy Cannabis Seeds Online | North Atlantic Seed Co. northatlanticseed.com(opens in new tab)
- 13 Critical Kush Cannabis Seeds | Feminised Photoperiod | Cannabis Seeds Shop cannabis-seeds-shop.co.uk(opens in new tab)
13 verified sources
Terpene Distribution
Terpene profile: Myrcene 0.7%, Caryophyllene 0.5%, Limonene 0.3%, Pinene 0.1% .
Myrcene Dominant
Flavor: Earthy, musky, fruity
Caryophyllene
Flavor: Spicy, peppery, woody
Limonene
Flavor: Citrus, lemon, orange
Pinene
Flavor: Pine, fresh forest
Full Profile
Myrcene
0.65%
Flavor Profile:
Earthy, musky, fruity
Effects:
Caryophyllene
0.45%
Flavor Profile:
Spicy, peppery, woody
Effects:
Limonene
0.25%
Flavor Profile:
Citrus, lemon, orange
Effects:
Pinene
0.05%
Flavor Profile:
Pine, fresh forest
Effects:
Appearance
Deep forest green · Olive green
Color Palette
Texture
Dense, chunky Kush-style buds with a heavy, sticky trichome coating that gives them a frosty, resin-rich appearance typical of OG Kush lineage.
Crystal Density
very high
Exceptional crystal coverage
Chemistry & Research
Medical Effects
10 reported therapeutic uses on file
Medical Effect Sources
- 1 Critical Kush Weed Strain Information leafly.com(opens in new tab)
- 2 Critical Kush Weed Strain | BARNEYS FARM barneysfarm.com(opens in new tab)
- 3 Critical Kush Marijuana Strain Information & Reviews allbud.com(opens in new tab)
- 4 Critical Kush - Cannabis Strain | Cannapedia cannapedia.ai(opens in new tab)
- 5 Critical Kush (Cannabis Strain) strainpedia.com(opens in new tab)
- 6 Critical Kush: Productive Indica Powerhouse royalqueenseeds.com(opens in new tab)
- 7 Critical Kush Strain Info & Reviews | HashDash hashdash.com(opens in new tab)
- 8 Critical Kush - Relaxing High | Myrcene Strain | This Is Why I'm High thisiswhyimhigh.com(opens in new tab)
- 9 Critical Kush: Best for Deep Relaxation & Stress Relief growlantis.com(opens in new tab)
- 10 Critical Kush Strain Overview | Thailand | Weed Review weed.review(opens in new tab)
- 11 Critical Kush Cannabis Strain beardbrospharms.com(opens in new tab)
- 12 Critical Kush Feminized Marijuana Seeds | Crop King Seeds cropkingseeds.com(opens in new tab)
- 13 Critical Kush Cannabis Strain Information dnagenetics.com(opens in new tab)
- 14 Critical Kush - THCFarmer thcfarmer.com(opens in new tab)
- 15 Critical Kush UK UK — Effects, Price & Where to Buy | LeafMe leafme.co.uk(opens in new tab)
- 16 Critical Kush Feminized Seeds | Royal King Seeds USA royalkingseeds.us(opens in new tab)
- 17 Critical Kush (F) – Buy Cannabis Seeds Online | North Atlantic Seed Co. northatlanticseed.com(opens in new tab)
17 verified sources
Mental Effects
- •Stress Relief
Reduces anxiety and mental tension effectively
- •Anxiety Reduction
Calms anxious thoughts and promotes relaxation
- •Depression Management
Elevates mood and alleviates depressive symptoms
- •PTSD Support
Helps manage trauma-related stress responses
Professor High visualization
Body Effects
- •Pain Management
Relieves chronic pain and muscle tension
- •Insomnia Relief
Promotes sleep and combats sleep disorders
- •Inflammation Reduction
Decreases bodily inflammation and swelling
- •Muscle Spasm Relief
Eases muscle tension and spasms
- •Migraine Relief
Reduces severity and frequency of migraines
- •Nausea Management
Alleviates nausea and improves appetite
Medical Disclaimer: This information is AI-generated based on available research and user reports, provided for educational purposes only, and is not intended as medical advice. Cannabis affects everyone differently. Consult with a qualified healthcare professional before using cannabis for medical purposes. Do not use cannabis if pregnant, nursing, or have a medical condition without consulting your doctor.
What Research Says
Peer-reviewed studies, terpene science & safety guidance
What does the research say about Critical Kush?
Critical Kush is a indica cannabis strain containing up to 30.0% THC, with a terpene profile dominated by Myrcene and Caryophyllene. This page currently has good data confidence. Below are profile sources when available plus authoritative resources for understanding the compounds in this strain.
Terpene Research
Cannabinoid Information
Cannabis Regulations & Safety
Educational resources only — not medical advice. Always consult a qualified clinician for health decisions.
Cannabinoids (THC & CBD)
THC 15-30% · Type I chemovar
THC% tells you how strong. Terpenes tell you how it feels.
THC percentage is a property of the product in your hand, not of the strain. It shifts with the batch, the grower, the harvest, and how the flower was cured and stored — the same strain can test several points apart from two different jars.
Treat the ranges below as market context for what to expect on a shelf — then read the actual label on the product you are buying, and use the terpene profile to judge how it will feel.
High THC (>15%), low CBD (<1%) - Most common recreational strains
Using It Well
Consumption Methods
Smoking · Vaping · Edibles
Recommended Methods
Side Effects
Dry Mouth · Dry Eyes · +2 more
Side effects vary by individual. Start low, go slow. Consult a healthcare professional with concerns.
These are commonly reported effects. Individual experiences may vary based on dosage, tolerance, and consumption method.
Where It Comes From
Lineage & History
Critical Mass × OG Kush · bred by Barney's Farm
Lineage Sources
- 1 Critical Kush Weed Strain Information leafly.com(opens in new tab)
- 2 Critical Kush Weed Strain | BARNEYS FARM barneysfarm.com(opens in new tab)
- 3 Critical Kush Marijuana Strain Information & Reviews allbud.com(opens in new tab)
- 4 Critical Kush - Cannabis Strain | Cannapedia cannapedia.ai(opens in new tab)
- 5 Critical Kush (Cannabis Strain) strainpedia.com(opens in new tab)
- 6 seedfinder.com seedfinder.com(opens in new tab)
- 7 Critical Kush: Productive Indica Powerhouse royalqueenseeds.com(opens in new tab)
- 8 Critical Kush Strain Info & Reviews | HashDash hashdash.com(opens in new tab)
- 9 Critical Kush - Relaxing High | Myrcene Strain | This Is Why I'm High thisiswhyimhigh.com(opens in new tab)
- 10 Critical Kush, compact and large buds alchimiaweb.com(opens in new tab)
- 11 Critical Kush: Best for Deep Relaxation & Stress Relief growlantis.com(opens in new tab)
- 12 Critical Kush Strain Overview | Thailand | Weed Review weed.review(opens in new tab)
- 13 Critical Kush Cannabis Strain beardbrospharms.com(opens in new tab)
- 14 Critical Kush Feminized Marijuana Seeds | Crop King Seeds cropkingseeds.com(opens in new tab)
- 15 Critical Kush Cannabis Strain Information dnagenetics.com(opens in new tab)
- 16 Critical Kush (Royal Queen Seeds) - Herbies Canada herbiesheadshop.com(opens in new tab)
- 17 Critical Kush - THCFarmer thcfarmer.com(opens in new tab)
- 18 Critical Kush UK UK — Effects, Price & Where to Buy | LeafMe leafme.co.uk(opens in new tab)
- 19 Critical Kush Feminized Seeds | Royal King Seeds USA royalkingseeds.us(opens in new tab)
- 20 Critical Kush (F) – Buy Cannabis Seeds Online | North Atlantic Seed Co. northatlanticseed.com(opens in new tab)
- 21 Critical Kush Cannabis Seeds | Feminised Photoperiod | Cannabis Seeds Shop cannabis-seeds-shop.co.uk(opens in new tab)
21 verified sources
Critical Kush is an indica-dominant hybrid strain created by crossing Critical Mass with OG Kush. The strain exhibits approximately 87-90% indica and 10-13% sativa genetics.
Genetics
Origin Timeline
First cultivated in 2015
Breeder
Barney's Farm
Seed Bank
Barney's Farm
Awards & Recognition
4 awards & mentions
Award Sources
- 1 Critical Kush - Cannabis Strain | Cannapedia cannapedia.ai(opens in new tab)
- 2 seedfinder.com seedfinder.com(opens in new tab)
- 3 Critical Kush - Relaxing High | Myrcene Strain | This Is Why I'm High thisiswhyimhigh.com(opens in new tab)
- 4 Critical Kush Strain Overview | Thailand | Weed Review weed.review(opens in new tab)
4 verified sources
Competition Wins
1st Place Indoors/Hydroponics
Indoors/Hydroponics
View Source (opens in new tab) ↗The Full Story
Detailed Description
The long-form profile · ~3 min read
A Modern Kush Classic
Critical Kush is one of the most decorated indica-dominant hybrids in modern cannabis breeding, built by Barney's Farm from a cross of Critical Mass and OG Kush. With a genetic makeup of roughly 87% indica / 13% sativa, this Type II chemovar delivers the heavy-hitting, body-first experience Kush lovers expect, backed by THC levels that commonly range from 15% up to 30% depending on phenotype and cultivation.
🧬 Genetic Heritage & Lineage
By combining Critical Mass's hefty yields and resin production with the legendary OG Kush's deep relaxation and euphoria, Barney's Farm created a strain that punches well above its weight. Emerging in the 2000s and refined into the version available today around 2015, Critical Kush has earned nicknames like "Critical Purple Kush," "CK," and "Cri" among growers and consumers who recognize its distinctive purple-tinted phenotypes.
👃 Terpene Profile & Aromatics
Critical Kush's terpene profile is anchored by:
- Myrcene (0.65%) — the dominant terpene, responsible for the strain's heavy, sedating body-load and earthy backbone
- Caryophyllene (0.45%) — adds a peppery, spicy edge and contributes to pain-relieving, anti-inflammatory qualities via CB2 receptor interaction
- Limonene (0.25%) — brightens the profile with citrus notes and supports mood elevation
- Pinene (0.05%) — a subtle pine note that keeps the aroma from feeling flat
Together these terpenes (roughly 1.4% total terpene content) create a complex nose of earthy, spicy, pine, woody, citrus, pungent, herbal, sweet, diesel, and skunky notes — a true Kush signature that's both pungent and inviting.
👅 Flavor Experience
On the exhale, you'll pick up layered flavors of earthy and pine upfront, transitioning into spicy and woody mid-notes, with citrus and sweet herbal undertones lingering on the finish. It's a smooth, classic Kush flavor journey that mirrors its aroma closely.
🎯 Effects & Experience
Expect a slow-building, deeply relaxed and calm onset that settles into full-body heaviness. As the high progresses, you'll notice euphoric and happy mental effects layered over the physical sedation, often accompanied by increased appetite (hungry) and eventual sleepiness. This makes Critical Kush a strain best reserved for when you have nowhere else to be — the trajectory leans hard toward couch-lock and sleep as the session extends.
🎮 Use Cases & Activities
Given its sedative, body-heavy profile, Critical Kush shines for:
- Stress relief — the myrcene-driven relaxation helps unwind mental tension
- Pain management — caryophyllene's CB2 activity supports physical relief
- Sleep aid — its sleepy effect profile makes it a natural nighttime companion
- Relaxation and evening unwinding — ideal for winding down after a long day
💚 Medical & Therapeutic Potential
Critical Kush is frequently sought out for both mental and physical relief. On the mental side, users report it may help with stress, anxiety, depression, and PTSD-related tension. Physically, its terpene and cannabinoid combination is associated with pain management, insomnia relief, inflammation reduction, and muscle spasm relief — all consistent with myrcene's sedative action and caryophyllene's anti-inflammatory mechanism.
🏆 Awards & Recognition
Critical Kush claimed 1st Place in Indoors/Hydroponics at the 2015 Spannabis Champions Cup, cementing its reputation as a top-tier Kush cultivar among growers and judges alike.
⚠️ Consumer Considerations
Because THC can climb as high as 30%, Critical Kush is generally better suited for experienced consumers, or novices approaching it with a very light touch. Its intense sedative pull means it's not an ideal daytime or productivity strain — save it for evening or night use.
Research Methodology
How we compiled this strain profile
This strain profile was compiled from 22 published sources covering 'Critical Kush'. Our research pipeline cross-references these sources and reports how strongly they agree — see the confidence breakdown below.
Data Quality by Section
Learn more with AI
Open your assistant with a ready-made prompt about Critical Kush.
- Ask ChatGPT Opens with the prompt filled in
- Ask Claude Opens with the prompt filled in
- Ask Gemini Copies the prompt to paste in
- Ask Grok Opens with the prompt filled in
- Ask Perplexity Opens with the prompt filled in
We copy the prompt to your clipboard as you go, so you can paste it if the assistant opens with an empty box. Answers come from the assistant, not from us — always double-check them against this page.
Suggest Edits
Spot something off about Critical Kush? Pick a category to email us a correction — in-page submission is coming soon.
Strain Highlights
Key insights at a glance
Learn more with AI
Open your assistant with a ready-made prompt about Critical Kush.
- Ask ChatGPT Opens with the prompt filled in
- Ask Claude Opens with the prompt filled in
- Ask Gemini Copies the prompt to paste in
- Ask Grok Opens with the prompt filled in
- Ask Perplexity Opens with the prompt filled in
We copy the prompt to your clipboard as you go, so you can paste it if the assistant opens with an empty box. Answers come from the assistant, not from us — always double-check them against this page.