Mr. Nice
aka Mr. Nice Guy, Mister Nice, Mister Nice Guy +5 more
Mr. Nice is a legendary 80% indica / 20% sativa hybrid created by Sensi Seeds from G13 x Hash Plant genetics. This 1990s classic delivers profound relaxation with gentle euphoria, featuring a complex earthy, sweet, pine, and hash aroma profile dominated by myrcene and caryophyllene terpenes. With 13-22% THC, it provides powerful therapeutic benefits for anxiety, pain, insomnia, and stress while maintaining enough mental clarity for creative evening activities before deep sedation takes hold.
The Short Answer
What kind of high is Mr. Nice?
Myrcene-led and earthy-pine 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
- Terpinolene Fresh, piney, floral, citrus
Listed as reported — no measured order on file for this strain.
The effects reported most often across our research sources. Every body is different — set, setting and tolerance all move the result.
- Euphoric
- Happy
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 →- Sweet
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 →- Earthy
- Best Time night
- Era 1999
- 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 →
Your guided read
6 chapters on Mr. Nice
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
Takes a long, contemplative exhale
Okay, so here's what's happening right now with Mr. Nice coursing through my system. The first thing I notice is this warm wave of mental ease—like someone just turned down the volume on all the background noise in my brain. There's this genuine euphoric lift happening, not manic or racing, but more like... intellectual contentment. I'm finding connections between ideas that seemed unrelated five minutes ago, and there's this creative clarity that makes me want to explain complex concepts.
But here's where it gets interesting from a neurochemical perspective: that myrcene-heavy terpene profile is already starting its sedative march through my body. I can feel my shoulders dropping, jaw unclenching, that deep muscular relaxation spreading like warm honey. The caryophyllene is doing its CB2 receptor magic—I had some lower back tension that's just... dissolving.
The hash-forward flavor lingers beautifully, and I'm experiencing what I call the "Afghan embrace"—that classic indica body high that makes you appreciate the structural integrity of your couch. This is textbook two-phase pharmacology: cerebral elevation meeting profound physical sedation. Settles deeper into chair Yeah, Mr. Nice lives up to its legendary status.
Effects Profile
Relaxed · Euphoric · Happy
Best enjoyed during night
Deep relaxation and sleep
Best For
Sleep & Bedtime · Stress Relief · Relaxing
Effect Sources
- 1 Mr. Nice - Strain Information – Royal King Seeds royalkingseeds.com(opens in new tab)
- 2 Mr. Nice Strain Review wayofleaf.com(opens in new tab)
- 3 Tips for growing Mr. Nice cannabis leafly.com(opens in new tab)
- 4 Mr Nice Strain Review -Is This Indica Dominant Hybrid Stuff Stoners Like stuffstonerslike.com(opens in new tab)
- 5 Mr. Nice Marijuana Strain (Review) - Medical Jane medicaljane.com(opens in new tab)
- 6 Mr. Nice Guy Strain Feminized Marijuana Seeds vancouverseedbank.ca(opens in new tab)
- 7 Mr. Nice Seeds - Pacific Seed Bank pacificseedbank.com(opens in new tab)
- 8 Mr. Nice Weed Strain Information | Leafbuyer leafbuyer.com(opens in new tab)
- 9 Mr. Nice Marijuana Strain Information & Reviews - AllBud allbud.com(opens in new tab)
- 10 Cannabis Strain Review: Mr Nice ascendancystrains.com(opens in new tab)
- 11 Mr. Nice Weed Strain thcfarmer.com(opens in new tab)
- 12 Mr. Nice Seedbank mrnice.com(opens in new tab)
- 13 Mr. Nice Guy growdiaries.com(opens in new tab)
- 14 Pink Floyd (Mr Nice Seedbank) :: Cannabis Strain Info :: SeedFinder.eu seedfinder.eu(opens in new tab)
- 15 Full Spec Live Resin Badder Mr. Nice 1g (I) Full Spec - Uncle Ike's Cannabis Dispensary in Seattle, WA ikes.com(opens in new tab)
15 verified sources
Look, Aroma & Taste
Aroma & Flavor
Sweet · Earthy · Pine
Aroma & Flavor Sources
- 1 Mr. Nice - Strain Information – Royal King Seeds royalkingseeds.com(opens in new tab)
- 2 Mr. Nice Strain Review wayofleaf.com(opens in new tab)
- 3 Tips for growing Mr. Nice cannabis leafly.com(opens in new tab)
- 4 Mr Nice Strain Review -Is This Indica Dominant Hybrid Stuff Stoners Like stuffstonerslike.com(opens in new tab)
- 5 Mr. Nice Marijuana Strain (Review) - Medical Jane medicaljane.com(opens in new tab)
- 6 Mr. Nice Guy Strain Feminized Marijuana Seeds vancouverseedbank.ca(opens in new tab)
- 7 Mr. Nice Seeds - Pacific Seed Bank pacificseedbank.com(opens in new tab)
- 8 Mr. Nice Weed Strain Information | Leafbuyer leafbuyer.com(opens in new tab)
- 9 Cannabis Strain Review: Mr Nice ascendancystrains.com(opens in new tab)
- 10 Mr. Nice Weed Strain thcfarmer.com(opens in new tab)
- 11 Mr. Nice Seedbank mrnice.com(opens in new tab)
- 12 Mr. Nice cannabis.net(opens in new tab)
- 13 Pink Floyd (Mr Nice Seedbank) :: Cannabis Strain Info :: SeedFinder.eu seedfinder.eu(opens in new tab)
- 14 Full Spec Live Resin Badder Mr. Nice 1g (I) Full Spec - Uncle Ike's Cannabis Dispensary in Seattle, WA ikes.com(opens in new tab)
14 verified sources
Aromas
Flavors
Terpene Profile
Myrcene leads · 5 terpenes mapped
Terpene Sources
- 1 Mr. Nice Strain Review wayofleaf.com(opens in new tab)
- 2 Tips for growing Mr. Nice cannabis leafly.com(opens in new tab)
- 3 Mr Nice Strain Review -Is This Indica Dominant Hybrid Stuff Stoners Like stuffstonerslike.com(opens in new tab)
- 4 Mr. Nice Guy Strain Feminized Marijuana Seeds vancouverseedbank.ca(opens in new tab)
- 5 Mr. Nice Marijuana Strain Information & Reviews - AllBud allbud.com(opens in new tab)
- 6 Full Spec Live Resin Badder Mr. Nice 1g (I) Full Spec - Uncle Ike's Cannabis Dispensary in Seattle, WA ikes.com(opens in new tab)
6 verified sources
Secondary Terpenes
Supporting Terpenes
Appearance
Deep forest green · Purple undertones
Color Palette
Texture
Dense, compact bud structure with exceptional resin production and sticky, hash-like consistency inherited from Afghan genetics
Crystal Density
very high
Exceptional crystal coverage
Chemistry & Research
Medical Effects
9 reported therapeutic uses on file
Medical Effect Sources
- 1 Mr. Nice - Strain Information – Royal King Seeds royalkingseeds.com(opens in new tab)
- 2 Mr. Nice Strain Review wayofleaf.com(opens in new tab)
- 3 Tips for growing Mr. Nice cannabis leafly.com(opens in new tab)
- 4 Mr Nice Strain Review -Is This Indica Dominant Hybrid Stuff Stoners Like stuffstonerslike.com(opens in new tab)
- 5 Mr. Nice Marijuana Strain (Review) - Medical Jane medicaljane.com(opens in new tab)
- 6 Mr. Nice Guy Strain Feminized Marijuana Seeds vancouverseedbank.ca(opens in new tab)
- 7 Mr. Nice Seeds - Pacific Seed Bank pacificseedbank.com(opens in new tab)
- 8 Mr. Nice Weed Strain Information | Leafbuyer leafbuyer.com(opens in new tab)
- 9 Cannabis Strain Review: Mr Nice ascendancystrains.com(opens in new tab)
- 10 Mr. Nice Weed Strain thcfarmer.com(opens in new tab)
- 11 Mr. Nice Seedbank mrnice.com(opens in new tab)
- 12 Mr. Nice Guy growdiaries.com(opens in new tab)
- 13 Pink Floyd (Mr Nice Seedbank) :: Cannabis Strain Info :: SeedFinder.eu seedfinder.eu(opens in new tab)
- 14 Full Spec Live Resin Badder Mr. Nice 1g (I) Full Spec - Uncle Ike's Cannabis Dispensary in Seattle, WA ikes.com(opens in new tab)
14 verified sources
Mental Effects
- •Anxiety Relief
Reduces anxiety and racing thoughts effectively
- •Stress Reduction
Calms stress and worry without heavy sedation
- •Depression Management
Elevates mood and alleviates depressive symptoms
- •PTSD Support
Helps manage PTSD symptoms and emotional trauma
Professor High visualization
Body Effects
- •Pain Management
Reduces chronic pain and muscular tension effectively
- •Sleep Aid
Promotes deep sleep and combats insomnia
- •Inflammation Reduction
Decreases inflammation and arthritis-related discomfort
- •Appetite Stimulation
Increases appetite and reduces nausea
- •Muscle Relaxation
Relieves muscle spasms and cramping
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 Mr. Nice?
Mr. Nice is a hybrid cannabis strain containing up to 22.0% 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 13-22% · 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
G13 × Hash Plant · bred by Sensi Seeds
Lineage Sources
- 1 Mr. Nice - Strain Information – Royal King Seeds royalkingseeds.com(opens in new tab)
- 2 Mr. Nice Strain Review wayofleaf.com(opens in new tab)
- 3 Tips for growing Mr. Nice cannabis leafly.com(opens in new tab)
- 4 Mr Nice Strain Review -Is This Indica Dominant Hybrid Stuff Stoners Like stuffstonerslike.com(opens in new tab)
- 5 Mr. Nice Marijuana Strain (Review) - Medical Jane medicaljane.com(opens in new tab)
- 6 Mr. Nice Guy Strain Feminized Marijuana Seeds vancouverseedbank.ca(opens in new tab)
- 7 Mr. Nice Seeds - Pacific Seed Bank pacificseedbank.com(opens in new tab)
- 8 Mr. Nice Weed Strain Information | Leafbuyer leafbuyer.com(opens in new tab)
- 9 Cannabis Strain Review: Mr Nice ascendancystrains.com(opens in new tab)
- 10 Mr. Nice Weed Strain thcfarmer.com(opens in new tab)
- 11 Mr. Nice Seedbank mrnice.com(opens in new tab)
- 12 Mr. Nice Guy growdiaries.com(opens in new tab)
- 13 Mr. Nice cannabis.net(opens in new tab)
- 14 Pink Floyd (Mr Nice Seedbank) :: Cannabis Strain Info :: SeedFinder.eu seedfinder.eu(opens in new tab)
14 verified sources
G13 and Hash Plant cross, primarily developed by Sensi Seeds in the 1990s
Genetics
Origin Timeline
First cultivated in 1999
Breeder
Sensi Seeds
Seed Bank
Sensi Seeds
Awards & Recognition
2 awards & mentions
Competition Wins
The Full Story
Detailed Description
The long-form profile · ~4 min read
Introduction to Mr. Nice
Mr. Nice stands as one of the most revered indica-dominant hybrids in cannabis history, earning its legendary status through an impeccable genetic lineage and consistently powerful effects. This 80% indica / 20% sativa powerhouse delivers a sophisticated blend of deep relaxation and gentle euphoria that has captivated cannabis enthusiasts since its creation by Sensi Seeds in 1999. Named after Howard Marks, the famous cannabis smuggler and author known as "Mr. Nice," this strain carries both cultural significance and exceptional therapeutic potential. With THC levels ranging from 13-22% and a modest CBD content of 0.1-4%, Mr. Nice offers a balanced cannabinoid profile that appeals to both recreational users seeking evening relaxation and medical patients managing various conditions.
🧬 Genetic Heritage & Lineage
Mr. Nice's prestigious lineage combines two iconic strains: the mysterious G13 and the robust Hash Plant. G13, shrouded in urban legend as a government research project strain, contributes profound body effects and exceptional potency. Hash Plant, an Afghanistan indica landrace, brings classic hashish flavors, dense resin production, and deeply sedating properties. This 1990s-era creation by Sensi Seeds represents peak cannabis breeding, designed to capture the best qualities of both parents while maintaining stability and consistency. The cross produces remarkably resinous buds with superior trichome density, reflecting its hash-making heritage. Some variations include Purple Mr. Nice, which incorporates Granddaddy Purple genetics for enhanced color and flavor complexity.
👃 Terpene Profile & Aromatics
Mr. Nice showcases a complex terpene profile dominated by Myrcene, Caryophyllene, Terpinolene, Limonene, and Linalool at approximately 2.46% total terpene content. Myrcene leads the aromatic experience with its earthy, musky character that enhances the strain's sedating qualities and contributes to the notorious "couch-lock" effect. Caryophyllene adds spicy, peppery notes while providing anti-inflammatory benefits through CB2 receptor activation. Terpinolene introduces surprising uplifting elements with pine and floral undertones, creating complexity that balances the heavy indica effects. The aroma profile unfolds in layers: initial notes of sweet earthiness give way to pungent pine and hash-like muskiness, followed by subtle spicy and fruity undertones. Breaking apart the buds releases intensified skunky, woody fragrances with hints of fresh coffee and apricot sweetness, creating an olfactory experience reminiscent of traditional hashish.
👅 Flavor Experience
The flavor journey of Mr. Nice delivers an authentic hash-forward taste that honors its Afghan heritage. On the inhale, you'll encounter robust earthy and sweet flavors with prominent pine notes that coat the palate. Mid-palate brings spicy, woody complexity with hints of sage, fruity berry, and subtle diesel undertones. The exhale leaves a lingering hashy, nutty aftertaste with touches of sweet coffee that many describe as reminiscent of traditional Lebanese or Moroccan hash. This flavor profile intensifies when vaporized at lower temperatures (350-375°F), allowing terpenes to shine without combustion harshness.
🎯 Effects & Experience
Mr. Nice delivers a dual-phase experience that begins with gentle cerebral euphoria within 5-10 minutes of consumption. You'll notice uplifted mood, happiness, and creative mental clarity that encourages conversation and artistic thinking. This mental stimulation lasts approximately 30-45 minutes before the indica body effects take command. The physical relaxation spreads from head to toe, releasing muscular tension and creating profound sedation that can lead to couch-lock in higher doses. Peak effects occur 1-2 hours after consumption, with total duration lasting 3-4 hours. Users report feeling deeply relaxed, calm, sleepy, and hungry as the experience progresses toward its conclusion. This strain exemplifies the classic "body high" that makes it ideal for evening use when you have no obligations remaining.
💚 Medical & Therapeutic Potential
Mr. Nice demonstrates significant therapeutic versatility with a balanced medical profile: 55% mental and 45% body benefits. For mental health applications, it may help manage anxiety, stress, depression, and PTSD through its calming terpene profile and mood-elevating properties. The combination of euphoria-inducing cannabinoids with anxiety-reducing terpenes creates mental peace without overwhelming sedation initially. For physical conditions, Mr. Nice may provide relief from chronic pain, inflammation, arthritis, muscle spasms, insomnia, and nausea. The high myrcene and caryophyllene content contributes to its analgesic and anti-inflammatory properties, while its sedating effects make it particularly effective for sleep disorders and those struggling with racing thoughts at bedtime. Many patients use it for appetite stimulation during evening hours.
👁️ Visual Characteristics
Mr. Nice produces visually striking buds characterized by dense, compact structure inherited from its Hash Plant lineage. The flowers display deep forest green coloration with purple undertones that intensify in cooler growing conditions, particularly in the Purple Mr. Nice variant. Vibrant orange, rust-colored pistils weave throughout the bud structure, creating beautiful contrast against the darker foliage. The true visual signature lies in the exceptional trichome coverage—a thick blanket of amber and milky-white crystal formations that give buds a frosted, resinous appearance worthy of hash production. This very high crystal density makes Mr. Nice particularly suitable for concentrate extraction.
🏆 Awards & Recognition
Mr. Nice has earned notable recognition in cannabis competitions, including Second Place at the 2004 High Life Cup, validating its exceptional quality and consumer appeal. While Sensi Seeds' broader catalog has won numerous High Times Cannabis Cup awards (including wins for Shark Shock, Super Silver Haze, and Black Widow), Mr. Nice continues building its reputation through consistent performance and widespread availability.
⚠️ Consumer Considerations
This strain suits intermediate to experienced consumers due to its potency and heavy effects. Novice users should start with small doses (one or two puffs) to assess tolerance. Common side effects include dry mouth, dry eyes, occasional dizziness, and rare instances of paranoia in sensitive individuals or with excessive consumption. Best enjoyed during evening or nighttime hours when deep relaxation and potential sleep are welcome outcomes. Mr. Nice pairs exceptionally well with meditation, creative projects, music appreciation, gentle yoga, and preparing for restful sleep.
Research Methodology
How we compiled this strain profile
This strain profile was compiled from 22 published sources covering 'Mr. Nice'. Our research pipeline cross-references these sources and reports how strongly they agree — see the confidence breakdown below.
Data Quality by Section
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Strain Highlights
Key insights at a glance
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