Yumboldt
Yumboldt is a legendary 90% indica strain from 1970s Humboldt County, combining Afghani and Himalayan landrace genetics. This High Times Cannabis Cup winner (2001) delivers profound relaxation, sedative body effects, and sleep-inducing properties with THC levels of 12-24%. Dominated by myrcene and caryophyllene terpenes, it offers earthy-sweet-citrus flavors and is ideal for nighttime pain relief, stress management, and insomnia. A true old-school indica for those seeking authentic, powerful relaxation.
The Short Answer
What kind of high is Yumboldt?
Myrcene-led and sweet-pine on the palate, most often reported relaxed and picked for meditation 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 →- Earthy
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 →- Sweet
- Pungent
- Best Time night
- Era 1977
- 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.
Yumboldt Soundtrack
AI-generated for this strain
Yumboldt Soundtrack
Verse
Chorus
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Chorus
Outro
Intro
Verse
Chorus
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Bridge
Chorus
Outro
Your guided read
6 chapters on Yumboldt
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
Alright, about fifteen minutes after smoking Yumboldt, I'm experiencing what I can only describe as gravitational amplification—my body feels like it's being gently pressed into whatever I'm sitting on, and every muscle fiber is systematically releasing tension I didn't even know I was holding. The mental space is beautifully mellow—there's this warm, golden contentment washing through my thoughts, not sedating my mind exactly, but definitely wrapping it in soft focus.
What's fascinating from a psychoactive standpoint is how the euphoria manifests as pure satisfaction rather than excitement—I'm genuinely happy just existing in this moment, watching the way light plays across surfaces. The body stone is absolutely profound—this is myrcene-dominant relaxation at its finest, friends. My limbs feel heavy but not uncomfortable, more like I'm being hugged by the couch itself. There's a subtle tingling sensation creeping through my extremities, and I can feel why patients love this for pain management. The landrace genetics shine through in the authenticity of this high—nothing rushed, nothing synthetic-feeling, just pure indica bliss that makes sleep feel inevitable and absolutely welcome.
Effects Profile
Relaxed · Sleepy · Euphoric
Best enjoyed during night
Deep relaxation and sleep
Best For
Meditation · Sleep & Bedtime · Relaxing
Effect Sources
- 1 Yumbolt Autoflower Seeds – Rapid 24% THC Indica Hybrid cropkingseeds.com(opens in new tab)
- 2 Yumboldt Auto pacificseedbank.com(opens in new tab)
- 3 Yumbolt Banana Auto | 24% THC | Buy Weed Seeds blimburnseeds.com(opens in new tab)
- 4 Yumboldt Weed Strain Information leafly.com(opens in new tab)
- 5 Yumbolt Regular Seeds - ELITE STRAIN canukseeds.com(opens in new tab)
- 6 Yumboldt Weed Strain Review and Information ilovegrowingmarijuana.com(opens in new tab)
- 7 Yumboldt Feminized Seeds (Canuk Seeds) - ELITE STRAIN truenorthseedbank.com(opens in new tab)
- 8 Yumboldt 47 Weed Strain Information leafbuyer.com(opens in new tab)
- 9 Yumboldt Weed Strain Review & Info | Weedstrain weedstrain.com(opens in new tab)
- 10 undefined Strain Information & Reviews | Where's Weed wheresweed.com(opens in new tab)
- 11 Yumboldt Marijuana Strain Information & Reviews allbud.com(opens in new tab)
- 12 Afghan Kush x Yumbolt cannabis-seeds.co.uk(opens in new tab)
- 13 Y-life Strain Info | Example Farms | OregonCC oregoncc.io(opens in new tab)
13 verified sources
Look, Aroma & Taste
Aroma & Flavor
Earthy · Sweet · Pungent
Aroma & Flavor Sources
- 1 Yumbolt Autoflower Seeds – Rapid 24% THC Indica Hybrid cropkingseeds.com(opens in new tab)
- 2 Yumboldt Auto pacificseedbank.com(opens in new tab)
- 3 Yumbolt Banana Auto | 24% THC | Buy Weed Seeds blimburnseeds.com(opens in new tab)
- 4 Yumboldt Weed Strain Information leafly.com(opens in new tab)
- 5 Yumbolt Regular Seeds - ELITE STRAIN canukseeds.com(opens in new tab)
- 6 Yumboldt Weed Strain Review and Information ilovegrowingmarijuana.com(opens in new tab)
- 7 Yumboldt Feminized Seeds (Canuk Seeds) - ELITE STRAIN truenorthseedbank.com(opens in new tab)
- 8 Yumboldt 47 Weed Strain Information leafbuyer.com(opens in new tab)
- 9 Yumboldt Weed Strain Review & Info | Weedstrain weedstrain.com(opens in new tab)
- 10 undefined Strain Information & Reviews | Where's Weed wheresweed.com(opens in new tab)
- 11 Yumboldt Marijuana Strain Information & Reviews allbud.com(opens in new tab)
- 12 Afghan Kush x Yumbolt cannabis-seeds.co.uk(opens in new tab)
- 13 Y-life Strain Info | Example Farms | OregonCC oregoncc.io(opens in new tab)
13 verified sources
Aromas
Flavors
Terpene Profile
Myrcene leads · 4 terpenes mapped
Terpene Sources
- 1 Yumbolt Autoflower Seeds – Rapid 24% THC Indica Hybrid cropkingseeds.com(opens in new tab)
- 2 Yumboldt Auto pacificseedbank.com(opens in new tab)
- 3 Yumbolt Banana Auto | 24% THC | Buy Weed Seeds blimburnseeds.com(opens in new tab)
- 4 undefined Strain Information & Reviews | Where's Weed wheresweed.com(opens in new tab)
- 5 Yumboldt Marijuana Strain Information & Reviews allbud.com(opens in new tab)
- 6 Y-life Strain Info | Example Farms | OregonCC oregoncc.io(opens in new tab)
6 verified sources
Terpene Distribution
Terpene profile: Myrcene 0.9%, Caryophyllene 0.8%, Limonene 0.1% .
Myrcene Dominant
Flavor: Earthy, musky, fruity
Caryophyllene
Flavor: Spicy, peppery, woody
Limonene
Flavor: Citrus, lemon, orange
Full Profile
Myrcene
0.87%
Flavor Profile:
Earthy, musky, fruity
Effects:
Caryophyllene
0.77%
Flavor Profile:
Spicy, peppery, woody
Effects:
Limonene
0.123%
Flavor Profile:
Citrus, lemon, orange
Effects:
Humulene
Not lab-measured
Flavor Profile:
Hoppy, woody, earthy
Effects:
Appearance
Deep forest green · Purple undertones
Color Palette
Texture
Dense, chunky indica buds with substantial weight and sticky, resinous texture. Tightly packed calyxes create a compact structure typical of landrace indica genetics.
Crystal Density
very high
Exceptional crystal coverage
Chemistry & Research
Medical Effects
9 reported therapeutic uses on file
Medical Effect Sources
- 1 Yumboldt Auto pacificseedbank.com(opens in new tab)
- 2 Yumbolt Banana Auto | 24% THC | Buy Weed Seeds blimburnseeds.com(opens in new tab)
- 3 Yumboldt Weed Strain Information leafly.com(opens in new tab)
- 4 Yumbolt Regular Seeds - ELITE STRAIN canukseeds.com(opens in new tab)
- 5 Yumboldt Weed Strain Review and Information ilovegrowingmarijuana.com(opens in new tab)
- 6 Yumboldt Feminized Seeds (Canuk Seeds) - ELITE STRAIN truenorthseedbank.com(opens in new tab)
- 7 Yumboldt 47 Weed Strain Information leafbuyer.com(opens in new tab)
- 8 Yumboldt Weed Strain Review & Info | Weedstrain weedstrain.com(opens in new tab)
- 9 undefined Strain Information & Reviews | Where's Weed wheresweed.com(opens in new tab)
- 10 Yumboldt Marijuana Strain Information & Reviews allbud.com(opens in new tab)
- 11 Y-life Strain Info | Example Farms | OregonCC oregoncc.io(opens in new tab)
11 verified sources
Mental Effects
- •Stress Relief
Reduces tension and promotes mental calm
- •Anxiety Relief
Alleviates anxious thoughts and worry
- •Depression Management
Elevates mood and combats depressive symptoms
- •Sleep Support
Promotes restful sleep and reduces insomnia
Professor High visualization
Body Effects
- •Pain Management
Reduces chronic pain and muscle tension
- •Inflammation Reduction
Decreases bodily inflammation and swelling
- •Muscle Relaxation
Eases muscle spasms and physical tension
- •Nausea Relief
Reduces nausea and improves appetite
- •Arthritis Support
Alleviates arthritis-related pain and stiffness
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 Yumboldt?
Yumboldt is a indica cannabis strain containing up to 24.0% 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 12-24% · 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 · +3 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
Afghani × Himalayan · bred by Canuk Seeds
Lineage Sources
- 1 Yumbolt Autoflower Seeds – Rapid 24% THC Indica Hybrid cropkingseeds.com(opens in new tab)
- 2 Yumboldt Auto pacificseedbank.com(opens in new tab)
- 3 Yumbolt Banana Auto | 24% THC | Buy Weed Seeds blimburnseeds.com(opens in new tab)
- 4 Yumbolt Regular Seeds - ELITE STRAIN canukseeds.com(opens in new tab)
- 5 Yumboldt Weed Strain Review and Information ilovegrowingmarijuana.com(opens in new tab)
- 6 Yumboldt Feminized Seeds (Canuk Seeds) - ELITE STRAIN truenorthseedbank.com(opens in new tab)
- 7 Yumboldt 47 Weed Strain Information leafbuyer.com(opens in new tab)
- 8 undefined Strain Information & Reviews | Where's Weed wheresweed.com(opens in new tab)
- 9 Yumboldt Marijuana Strain Information & Reviews allbud.com(opens in new tab)
- 10 BC Seeds bcseeds.com(opens in new tab)
- 11 Afghan Kush x Yumbolt cannabis-seeds.co.uk(opens in new tab)
- 12 Y-life Strain Info | Example Farms | OregonCC oregoncc.io(opens in new tab)
12 verified sources
Afghani and Himalayan landrace genetics crossed to create a predominantly indica strain with strong relaxing and sedative effects
Genetics
Origin Timeline
First cultivated in 1977
Breeder
Canuk Seeds
Seed Bank
Canuk Seeds
Awards & Recognition
1 award & mention
Award Sources
1 verified source
Competition Wins
High Times Cannabis Cup 2001
The Full Story
Detailed Description
The long-form profile · ~4 min read
A Legendary Indica from Humboldt County's Golden Era
Yumboldt stands as one of the true OG landrace indica strains that helped define West Coast cannabis culture. Born in 1977 in California's legendary Humboldt County, this strain represents the perfect marriage of Afghani and Himalayan landrace genetics—two of the most revered indica bloodlines in cannabis history. Bred by Canuk Seeds and winning the prestigious High Times Cannabis Cup in 2001, Yumboldt has earned its place among the cannabis elite as a deeply relaxing, sedative-heavy indica that delivers consistent results for those seeking powerful nighttime relief.
With 90% indica dominance and THC levels ranging from 12-24%, Yumboldt offers a potent yet approachable experience that caters to both medical patients and recreational users. This is the kind of strain that cannabis connoisseurs seek out when they want an authentic taste of old-school genetics—before modern breeding created countless hybrids, strains like Yumboldt were the foundation of cannabis culture.
🧬 Genetic Heritage & Ancient Lineage
Yumboldt's pure landrace parentage tells the story of cannabis's ancient origins. The Afghani parent contributes legendary sedative properties and that classic indica body stone, while the Himalayan genetics add subtle euphoric uplift and complexity to the high. These landrace strains have been cultivated for centuries in their native mountainous regions, naturally adapting to harsh climates and developing the resilient, resinous characteristics that make Yumboldt so special.
Originating in the 1970s during the height of Humboldt County's reputation as America's cannabis capital, Yumboldt embodies the pioneering spirit of that era. The strain's name itself pays homage to its birthplace—a region where perfect growing conditions and passionate cultivators created some of the world's most sought-after cannabis genetics.
👃 Terpene Profile & Deep Earthy Aromatics
Yumboldt's terpene profile is dominated by myrcene (0.87%), the quintessential indica terpene known for its sedating, body-relaxing effects. This high myrcene content explains why you'll feel Yumboldt's effects settle deep into your muscles and bones. Caryophyllene (0.77%) adds spicy, peppery notes while also acting as a CB2 receptor agonist, contributing to the strain's impressive pain-relieving properties. Traces of humulene and limonene (0.123%) round out the profile with subtle earthy and citrus undertones.
The aroma experience is complex and layered: you'll first notice earthy, pungent notes that speak to its landrace heritage, followed by sweet and woody undertones with hints of floral spice. Breaking apart the buds releases citrus and lemon notes that brighten the otherwise deep, musky profile. Some phenotypes express unique fruity characteristics including berry and even banana notes—a delightful surprise in such an old-school indica.
👅 Flavor Journey from Inhale to Exhale
On the inhale, Yumboldt delivers sweet earthiness with distinct pine and woody flavors that coat your palate. Mid-palate, you'll detect spicy warmth from the caryophyllene content, along with citrus brightness and subtle berry notes. The exhale leaves a lingering sweet, earthy finish with touches of lemon and blueberry that make each session memorable. This is classic indica flavor—nothing trendy or artificial, just pure, unadulterated cannabis taste.
🎯 Effects & Experience: Deep Relaxation Personified
Yumboldt's effects follow a predictable indica trajectory that medical patients and nighttime users absolutely love. Within 5-10 minutes of consumption, you'll notice a gentle euphoric wave washing over your mind—happy, content thoughts that signal the beginning of deep relaxation. By the 15-20 minute mark, the body effects arrive in full force: muscles soften, tension melts away, and a heavy, warm blanket of physical sedation envelops you.
The peak experience (30-60 minutes in) is characterized by profound full-body relaxation, sleepiness, and a blissful sense of calm contentment. This is where Yumboldt truly shines—you'll feel completely at ease, stress and anxiety becoming distant memories as the strain's powerful indica genetics work their magic. The high typically lasts 2-3 hours, gradually tapering into restful sleep for many users.
Ideal Use Cases & Perfect Pairings
Yumboldt is definitively a nighttime strain best reserved for evening and late-night use. You'll find it perfect for unwinding after long days, settling into meditation or gentle yoga, enjoying relaxing entertainment like films or music, and preparing for deep, restorative sleep. This isn't a strain for productivity—save it for when you can truly relax and let go.
💚 Medical & Therapeutic Applications
Medical patients consistently praise Yumboldt for chronic pain management (intensity 5/5), stress relief (5/5), and insomnia support (5/5). The strain may help with anxiety, depression, inflammation, muscle spasms, arthritis, and nausea. The high myrcene and caryophyllene content makes it particularly effective for physical ailments, while the subtle mood elevation helps with mental wellness concerns.
👁️ Visual Characteristics & Bud Structure
Yumboldt buds display classic indica structure: dense, chunky nuggets with deep forest green coloring accented by purple undertones in cooler growing conditions. Fiery orange to rust-colored pistils wind throughout the buds, while a heavy coating of amber and milky-white trichomes gives the flowers a frosty, resinous appearance. The buds feel sticky and substantial—quality you can see and feel.
🏆 Awards & Cultural Legacy
Winning the 2001 High Times Cannabis Cup cemented Yumboldt's reputation as world-class genetics. This strain represents 1970s Humboldt County heritage—a piece of living cannabis history that continues to influence modern breeding. Finding authentic Yumboldt connects you to nearly 50 years of cultivation tradition.
⚠️ Consumer Considerations
Yumboldt is suitable for intermediate to experienced consumers—beginners should start with lower doses due to potent sedative effects. Expect common indica side effects: dry mouth and dry eyes are nearly guaranteed, so stay hydrated. Some users may experience mild paranoia or anxiety at higher doses. This strain is best for those who enjoy heavy, body-focused indicas and have time to fully relax.
Research Methodology
How we compiled this strain profile
This strain profile was compiled from 19 published sources covering 'Yumboldt'. 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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