Strain experience guide
303 OG
Also known as 303 Kush, 303, 303 OG Kush
303 OG is a potent hybrid blending Pre-98 Bubba Kush and Chemdawg genetics, delivering an earthy-citrus diesel aroma with a euphoric, relaxing high. Balanced at 58% indica-dominant, it offers creative uplift alongside deep body relaxation, making it a versatile choice for stress relief, social moments, or unwinding after a long day. Read more Show less
Quick Hits
What kind of high is 303 OG?
A balanced hybrid reported as relaxed, euphoric and sleepy. Picked for stress relief and creative projects at any time of day. The profile features earthy citrus flavor and aroma and myrcene as the lead terpene.
Terpenes help give cannabis its aroma. Compare citrus, pine and earthy notes to find what appeals to you. The profile offers clues, not a guaranteed high.
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.
Research associations
- Sedating
- Muscle relaxant
- Anti inflammatory
General terpene associations, not effects confirmed for this strain. Evidence varies.
- Limonene Citrus, lemon, orange
- Caryophyllene Spicy, peppery, woody
Ordered by measured share — the exact percentages shift with every batch and cure.
Reported effects, at a glance. Dose, tolerance and setting can change the experience.
- Euphoric
- Sleepy
Ideas for your next session, drawn from strain reports. Find what fits your plans.
See the full list →What to look for when you open the jar, based on descriptions of this strain.
See the full profile →- Coffee
- Diesel
The reported taste, from the first impression to the finish. The batch and how you consume it can change what comes through.
Our sources describe this strain's flavor and its aroma the same way, so this card reads like the one beside it. That is what was reported, not a repeat.
See the full profile →- Coffee
- Spicy
Same notes reported for aroma
- Best Time Anytime
- Era 2010
- Rarity Common
Genetics Balanced Hybrid A guide to lineage, not a reliable predictor of the high.
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 Reported: dry mouth and dry eyes. Responses vary — start low, go slow. Review safety →
Worth knowing
The details that shape the experience
This strain has its own song — hit play, read along, and chill out.
303 OG Soundtrack
AI-generated for this strain
303 OG Soundtrack
Verse
Chorus
Verse
Chorus
Bridge
Chorus
Outro
The memorable details
- Potent Pre-98 Bubba Kush x Chemdawg cross with THC ranging up to 28%
- Earthy citrus-diesel aroma driven by Myrcene, Limonene, and Caryophyllene terpenes
- Delivers euphoric, creative energy before easing into deep relaxation
- Award-winning genetics recognized for concentrate quality and terpene yields
Explore the full profile Complete experience record
Mind, body, and energy
Best enjoyed during anytime
Balanced for any time of day
Activities people choose it for
Effect Sources
- 1 303 Kush strain leafly.com(opens in new tab)
- 2 303 OG Marijuana Strain Information & Reviews allbud.com(opens in new tab)
- 3 303 OG - Cannabis Strain | Cannapedia cannapedia.ai(opens in new tab)
- 4 303 OG Kush - Strains weedmaps.com(opens in new tab)
- 5 303 OG (Unknown or Legendary) :: Cannabis Strain Info seedfinder.eu(opens in new tab)
- 6 303 OG: Why Colorado Tokers Love This Strain westword.com(opens in new tab)
- 7 303 Og Strain: A Comprehensive Strain Guide app.jointcommerce.com(opens in new tab)
- 8 303 Kush | ׂ303 OG | 330 OG Kush - Hybrid Cannabis Strain - 9leaves 9leaves.com(opens in new tab)
- 9 303 Og Kush Strain Review & Info |2022| AskGrowers askgrowers.com(opens in new tab)
- 10 303 OG Strain Review: Effects & Where to Buy (2026) | Weedpedia weedpedia.ca(opens in new tab)
- 11 303 Kush Marijuana Strain leafwell.com(opens in new tab)
- 12 303 OG Kush Cannabis Strain Near Me | Info, Effects, THC lookyweed.com(opens in new tab)
- 13 303 OG Strain Guide — Buy Seeds in Canada | Royal King Seeds royalkingseeds.ca(opens in new tab)
- 14 303 OG Seeds | Colorado Cannabis Strain theseedpharm.com(opens in new tab)
- 15 303 OG | Pure Seed Genetics pureseedgenetics.com(opens in new tab)
15 verified sources
Therapeutic reports
Medical Effect Sources
- 1 303 Kush strain leafly.com(opens in new tab)
- 2 303 OG Marijuana Strain Information & Reviews allbud.com(opens in new tab)
- 3 303 OG - Cannabis Strain | Cannapedia cannapedia.ai(opens in new tab)
- 4 303 OG Kush - Strains weedmaps.com(opens in new tab)
- 5 303 OG (Unknown or Legendary) :: Cannabis Strain Info seedfinder.eu(opens in new tab)
- 6 303 OG: Why Colorado Tokers Love This Strain westword.com(opens in new tab)
- 7 303 Og Strain: A Comprehensive Strain Guide app.jointcommerce.com(opens in new tab)
- 8 303 Kush | ׂ303 OG | 330 OG Kush - Hybrid Cannabis Strain - 9leaves 9leaves.com(opens in new tab)
- 9 303 Og Kush Strain Review & Info |2022| AskGrowers askgrowers.com(opens in new tab)
- 10 303 OG Strain Review: Effects & Where to Buy (2026) | Weedpedia weedpedia.ca(opens in new tab)
- 11 303 Kush Marijuana Strain leafwell.com(opens in new tab)
- 12 303 OG Kush Cannabis Strain Near Me | Info, Effects, THC lookyweed.com(opens in new tab)
- 13 303 OG Strain Guide — Buy Seeds in Canada | Royal King Seeds royalkingseeds.ca(opens in new tab)
- 14 303 OG | Pure Seed Genetics pureseedgenetics.com(opens in new tab)
14 verified sources
Mental Effects
- •Anxiety Relief
Reduces anxiety and nervous tension effectively
- •Stress Relief
Alleviates chronic stress without heavy sedation
- •Depression Management
Elevates mood and combats depressive symptoms
- •Sleep Improvement
Promotes restful sleep and reduces insomnia
Professor High visualization
Body Effects
- •Pain Management
Reduces chronic pain and muscle tension
- •Inflammation Reduction
Decreases inflammation throughout the body
- •Seizure Control
Helps manage seizures and muscle spasms
- •Appetite Stimulation
Increases appetite and combats nausea
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.
Side effects and safer use
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.
Keep listening Music neighborhood
Sound neighborhood
Follow 303 OG into Entourage High music.
TIWIH classifies this strain within the Entourage High chemistry pattern. Separately, our editorial music map associates the same family with these sounds. It is a creative bridge—not a prediction or artist endorsement.
Open the jar
Aroma, flavor, and chemistry
Look closer Full sensory specimen
Aroma and flavor
Aroma & Flavor Sources
- 1 303 OG Marijuana Strain Information & Reviews allbud.com(opens in new tab)
- 2 303 OG - Cannabis Strain | Cannapedia cannapedia.ai(opens in new tab)
- 3 303 OG (Unknown or Legendary) :: Cannabis Strain Info seedfinder.eu(opens in new tab)
- 4 303 OG: Why Colorado Tokers Love This Strain westword.com(opens in new tab)
- 5 303 Og Strain: A Comprehensive Strain Guide app.jointcommerce.com(opens in new tab)
- 6 303 Kush | ׂ303 OG | 330 OG Kush - Hybrid Cannabis Strain - 9leaves 9leaves.com(opens in new tab)
- 7 303 Og Kush Strain Review & Info |2022| AskGrowers askgrowers.com(opens in new tab)
- 8 303 OG Strain Review: Effects & Where to Buy (2026) | Weedpedia weedpedia.ca(opens in new tab)
- 9 303 Kush Marijuana Strain leafwell.com(opens in new tab)
- 10 303 OG Strain Guide — Buy Seeds in Canada | Royal King Seeds royalkingseeds.ca(opens in new tab)
- 11 303 OG Seeds | Colorado Cannabis Strain theseedpharm.com(opens in new tab)
- 12 303 OG | Pure Seed Genetics pureseedgenetics.com(opens in new tab)
12 verified sources
Aromas
Flavors
Terpene profile
Terpene Sources
- 1 303 Kush strain leafly.com(opens in new tab)
- 2 303 OG - Cannabis Strain | Cannapedia cannapedia.ai(opens in new tab)
- 3 303 Og Strain: A Comprehensive Strain Guide app.jointcommerce.com(opens in new tab)
- 4 303 Og Kush Strain Review & Info |2022| AskGrowers askgrowers.com(opens in new tab)
- 5 303 OG Strain Review: Effects & Where to Buy (2026) | Weedpedia weedpedia.ca(opens in new tab)
- 6 303 Kush Marijuana Strain leafwell.com(opens in new tab)
- 7 303 OG Strain Guide — Buy Seeds in Canada | Royal King Seeds royalkingseeds.ca(opens in new tab)
- 8 303 OG Seeds | Colorado Cannabis Strain theseedpharm.com(opens in new tab)
- 9 303 OG | Pure Seed Genetics pureseedgenetics.com(opens in new tab)
9 verified sources
Terpene Distribution
Terpene profile: Myrcene 0.6%, Limonene 0.5%, Caryophyllene 0.3%, Camphene 0.2%, Pinene 0.2%, Ocimene 0.1%, Humulene 0.1%, Linalool 0.1% .
Myrcene Dominant
Flavor: Earthy, musky, fruity
Full Profile
Myrcene
0.61%
Flavor Profile:
Earthy, musky, fruity
Effects:
Limonene
0.47%
Flavor Profile:
Citrus, lemon, orange
Effects:
Caryophyllene
0.33%
Flavor Profile:
Spicy, peppery, woody
Effects:
Camphene
0.21%
Flavor Profile:
Damp woodlands, fir needles
Effects:
Pinene
0.175%
Flavor Profile:
Pine, fresh forest
Effects:
Ocimene
0.14%
Flavor Profile:
Sweet, herbaceous, woody
Effects:
Humulene
0.125%
Flavor Profile:
Hoppy, woody, earthy
Effects:
Linalool
0.065%
Flavor Profile:
Floral, lavender, sweet
Effects:
Terpinolene
Not lab-measured
Flavor Profile:
Fresh, piney, floral, citrus
Effects:
Appearance
Color Palette
Texture
Dense, chunky bud structure with a thick, frosty trichome coating that gives the flower a sugared, sticky appearance. Buds are resin-rich and slightly sticky to the touch.
Crystal Density
very high
Exceptional crystal coverage
Batch context Complete cannabinoid record
There’s more to a strain than THC%.
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
03 · AI interpretation
Professor High interprets the pattern
As the first hit settles in, I feel a bright citrus-diesel punch hit my senses before a wave of euphoria washes over my mind. My thoughts start firing creatively — I'm suddenly chatty, ideas flowing easy, laughing at things that aren't even that funny. That's the Limonene and Chemdawg genetics doing their cerebral dance. Then, almost like clockwork, a warm heaviness creeps into my limbs. The Myrcene and Caryophyllene are clearly working together here, easing tension in my shoulders and lower back that I didn't even realize I was carrying. My hunger kicks in hard — I'm eyeing snacks I normally wouldn't touch. As time passes, that initial spark of talkative creativity mellows into a comfortable, sleepy contentment. It's a beautifully balanced ride: sharp and social up front, deeply relaxing on the back end. This is a strain that lets you live in both worlds before gently guiding you toward the couch.
Read this as an interpretation of the profile—not clinical advice, a product rating, or a guarantee.
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Go deeper
The helpful detail
The Legend Behind 303 OG
303 OG carries its Colorado area code like a badge of honor, and for good reason. This hybrid cross of Pre-98 Bubba Kush and Chemdawg has become a benchmark strain in the Mountain West cannabis scene, prized for its potent resin production and its ability to deliver a full-spectrum experience that satisfies both mind and body. With genetics tracing back to the 2000s and refined releases through Royal King Genetics, this strain has earned its reputation the hard way — through consistent, powerful performance.
🧬 Genetic Heritage & Lineage
The backbone of 303 OG comes from two heavyweight champions of classic American cannabis breeding. Pre-98 Bubba Kush contributes deep indica relaxation and that signature coffee-kush funk, while Chemdawg brings its legendary diesel pungency and cerebral punch. This pairing results in a 58% Indica / 42% Sativa balance — a chemovar classified as Type II, meaning it typically expresses a THC-dominant profile with trace CBD, ranging widely from roughly 12% to 28% THC depending on phenotype and cultivation.
👃 Terpene Profile & Aromatics
303 OG's aromatic signature is anchored by Myrcene (0.61%), the dominant terpene responsible for its earthy, musky undertone and body-heavy influence. Close behind is Limonene (0.47%), lending bright citrus zest and mood-lifting qualities, followed by Caryophyllene (0.33%) which adds peppery spice and contributes to the strain's soothing physical effects. Rounding out the profile are Camphene, Ocimene, Pinene, Linalool, and Humulene — a complex terpene lattice that produces a layered nose of citrus, coffee, diesel, pine, and pungent earthiness with skunky, herbal undertones.
👅 Flavor Experience
On the inhale, you'll notice a sharp diesel-citrus punch that quickly gives way to earthy, coffee-like richness. The mid-palate reveals notes of pine and sweet spice, while the exhale leaves behind a lingering pungent, sour-lemon finish that coats the palate. It's a flavor journey that stays true to its OG heritage while adding its own citrus-forward twist.
🎯 Effects & Experience
Expect a euphoric, happy onset that arrives within minutes of your first inhale. As the high builds, you'll feel a wave of relaxation settle into the body while your mind stays creative and talkative — a rare combo that makes this strain versatile. Later in the experience, sleepy and uplifted sensations blend together, often accompanied by an increase in appetite. The duration tends to run long, making it a solid choice whether you're starting your evening or winding it down.
🎮 Use Cases & Activities
303 OG shines during stress relief sessions, creative activities like art or music, relaxed social gatherings, and dedicated relaxation time. Its balanced nature means it doesn't lock you to the couch immediately, giving you a window to be productive or social before the deeper body effects take hold.
💚 Medical & Therapeutic Potential
Many users turn to 303 OG hoping it may help ease anxiety, chronic stress, and low mood, thanks to its uplifting terpene blend. On the physical side, its Myrcene and Caryophyllene content may support pain and inflammation management, along with muscle relaxation.
👁️ Visual Characteristics
Quality 303 OG buds display dense, chunky structure with deep forest green hues accented by purple undertones. A generous coating of trichomes gives the flower a frosted, almost sugary appearance, while fiery orange pistils curl throughout the calyxes.
🏆 Awards & Recognition
303 OG has picked up serious industry credibility, including Best U.S. Concentrates honors in 2014 and a Grow Off Winner title in 2018 for Potency and Terpene Yields — proof that this strain's resin production is elite-tier.
⚠️ Consumer Considerations
This strain suits intermediate to experienced consumers given its potentially high THC content. Novices should start low and go slow to gauge tolerance.
Practical guide How people use it
Recommended Methods
Where it comes from Origins and lineage
Lineage Sources
- 1 303 Kush strain leafly.com(opens in new tab)
- 2 303 OG Marijuana Strain Information & Reviews allbud.com(opens in new tab)
- 3 303 OG - Cannabis Strain | Cannapedia cannapedia.ai(opens in new tab)
- 4 303 OG Kush - Strains weedmaps.com(opens in new tab)
- 5 303 OG (Unknown or Legendary) :: Cannabis Strain Info seedfinder.eu(opens in new tab)
- 6 303 OG: Why Colorado Tokers Love This Strain westword.com(opens in new tab)
- 7 303 Og Strain: A Comprehensive Strain Guide app.jointcommerce.com(opens in new tab)
- 8 303 Kush | ׂ303 OG | 330 OG Kush - Hybrid Cannabis Strain - 9leaves 9leaves.com(opens in new tab)
- 9 303 Og Kush Strain Review & Info |2022| AskGrowers askgrowers.com(opens in new tab)
- 10 303 Kush Marijuana Strain leafwell.com(opens in new tab)
- 11 303 OG Kush Cannabis Strain Near Me | Info, Effects, THC lookyweed.com(opens in new tab)
- 12 303 OG Strain Guide — Buy Seeds in Canada | Royal King Seeds royalkingseeds.ca(opens in new tab)
- 13 303 OG Seeds | Colorado Cannabis Strain theseedpharm.com(opens in new tab)
13 verified sources
303 OG is a hybrid strain resulting from a cross between Pre-98 Bubba Kush and Chemdawg. Most commonly described as containing 58% Indica and 42% Sativa genetics.
Genetics
Origin Timeline
First cultivated in 2010
Breeder
Royal King Genetics
Seed Bank
Royal King Seeds
On the record Awards and recognition
Award Sources
- 1 303 OG Kush - Strains weedmaps.com(opens in new tab)
- 2 303 OG: Why Colorado Tokers Love This Strain westword.com(opens in new tab)
2 verified sources
Competition Wins
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Evidence and limits
Research notes
This profile assembles public facts in original language, links its supporting sources, and keeps gaps or disagreements visible. It is research provenance—not product or lab certification.
- Linked sources
- 18
- Sourced sections
- 9
- Claims under review
- 106
- Profile updated
- Sep 14, 2026
Research Edition Current profile edition
Updated September 14, 2026 · 9 profile areas with section-level sourcing Researched profile
This edition records This Is Why I'm High’s synthesis of published information about 303 OG. It describes source-supported patterns and uncertainty; it does not certify genetics, potency, safety, or any product batch.
- Profile sources
- 18
- Research evidence confidence
- 68%
- Edition date
- September 14, 2026
Evidence confidence summarizes source coverage and consistency for this profile synthesis. It is not a product rating, potency score, or guarantee about any batch.
Source coverage in this edition
- Classification 15 sources
- Lineage 13 sources
- Cannabinoids 14 sources
- Terpenes 9 sources
- Reported effects 15 sources
- Aromas 12 sources
- Flavors 14 sources
- Reported medical uses 14 sources
- Awards 2 sources
History tracking is active
Material changes are recorded as new editions using factual categories and source metadata. Source article prose and reviews are not copied into the history.
Research context What published research says
What does the research say about 303 OG?
303 OG is a hybrid cannabis strain containing up to 28.0% THC, with a terpene profile dominated by Myrcene and Limonene. 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.
Power-user detail Open sources and methodology
Research Methodology
How we compiled this strain profile
This strain profile was compiled from 18 published sources covering '303 OG'. 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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Suggest a Factual Correction
Flag a name, lineage, source, image, or chemistry issue for private editorial review.