WSU
aka Washington State University, WASU, Chemo
WSU is a pure indica powerhouse descended from legendary Chemo genetics, delivering profound relaxation and therapeutic relief. With THC ranging from 6-25% and a terpene profile dominated by sedative Myrcene (50%), this Washington-bred strain excels at managing chronic pain, insomnia, and appetite loss. Expect deep body sedation, powerful munchies, and pine-berry-grape flavors with diesel undertones. Best reserved for nighttime use when you need serious relief and restful sleep.
The Short Answer
What kind of high is WSU?
Myrcene-led and 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
- Pinene Pine, fresh forest
- Caryophyllene Spicy, peppery, woody
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.
- Hungry
- Creative
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 →- Berry
- Grape
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 →- Berry
- Grape
- Best Time night
- Era 2013
- Rarity Common
Genetics Pure Indica (100%) 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 WSU
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 effects hit like stepping into a warm bath after a brutal workout—immediate and all-encompassing. Within minutes, there's this fascinating duality where my mind feels lighter and more content, almost euphoric, while simultaneously my body begins this delicious descent into complete physical surrender. The Myrcene dominance isn't just theoretical—I can literally feel those sedative terpenes doing their work, each muscle group releasing tension in waves. What's particularly interesting is how the Pinene creates these brief moments of mental clarity and focus before the deeper indica effects take full command. The appetite stimulation is real—suddenly everything in my kitchen seems like a five-star meal. As the experience deepens, there's this profound sense of being completely present in my body while simultaneously feeling weightless, like I'm simultaneously grounded and floating. The pain relief is remarkable—discomfort I'd been carrying just... evaporates. This is textbook indica medicine: therapeutic, powerful, and wonderfully sedating. Perfect for when you need nature's reset button pressed firmly and without hesitation.
Effects Profile
Relaxed · Hungry · Creative
Best enjoyed during night
Deep relaxation and sleep
Best For
Sleep & Bedtime · Stress Relief · Relaxing
Effect Sources
- 1 WSU Weed Strain Information leafly.com(opens in new tab)
- 2 WSU Marijuana Strain Information & Reviews allbud.com(opens in new tab)
- 3 Wsu Strain - Review & Info askgrowers.com(opens in new tab)
- 4 WSU Weed Strain Review and Information ilovegrowingmarijuana.com(opens in new tab)
- 5 WSU Weed Strain Review & Info | Weedstrain weedstrain.com(opens in new tab)
- 6 wsu designer - Washington DC wheresweed.com(opens in new tab)
- 7 WSU researchers tease out genetic differences between cannabis strains news.wsu.edu(opens in new tab)
7 verified sources
Look, Aroma & Taste
Aroma & Flavor
Pine · Berry · Earthy
Aroma & Flavor Sources
- 1 WSU Weed Strain Information leafly.com(opens in new tab)
- 2 WSU Marijuana Strain Information & Reviews allbud.com(opens in new tab)
- 3 Wsu Strain - Review & Info askgrowers.com(opens in new tab)
- 4 WSU Weed Strain Review and Information ilovegrowingmarijuana.com(opens in new tab)
- 5 wsu designer - Washington DC wheresweed.com(opens in new tab)
5 verified sources
Aromas
Flavors
Terpene Profile
Myrcene leads · 6 terpenes mapped
Terpene Sources
- 1 WSU Weed Strain Information leafly.com(opens in new tab)
- 2 Wsu Strain - Review & Info askgrowers.com(opens in new tab)
- 3 WSU Weed Strain Review and Information ilovegrowingmarijuana.com(opens in new tab)
- 4 wsu designer - Washington DC wheresweed.com(opens in new tab)
4 verified sources
Secondary Terpenes
Supporting Terpenes
Appearance
Deep forest green · Purple undertones
Color Palette
Texture
Dense, compact indica structure with tight bud formation and heavy resin production creating a sticky, substantial feel
Crystal Density
high
Heavy frost coating
Chemistry & Research
Medical Effects
8 reported therapeutic uses on file
Medical Effect Sources
- 1 WSU Weed Strain Information leafly.com(opens in new tab)
- 2 WSU Marijuana Strain Information & Reviews allbud.com(opens in new tab)
- 3 Wsu Strain - Review & Info askgrowers.com(opens in new tab)
- 4 WSU Weed Strain Review and Information ilovegrowingmarijuana.com(opens in new tab)
- 5 WSU Weed Strain Review & Info | Weedstrain weedstrain.com(opens in new tab)
- 6 wsu designer - Washington DC wheresweed.com(opens in new tab)
- 7 Cannabis Strain WASU, Washington State University Indica THC ... tt.strainlists.com(opens in new tab)
- 8 WSU researchers tease out genetic differences between cannabis strains news.wsu.edu(opens in new tab)
8 verified sources
Mental Effects
- •Stress Relief
Reduces stress and racing thoughts effectively
- •Depression Management
Elevates mood and alleviates depressive symptoms
- •ADHD Support
Helps with attention and focus improvement
Professor High visualization
Body Effects
- •Pain Management
Reduces chronic pain and muscle tension
- •Sleep Support
Promotes deep sleep and reduces insomnia
- •Nausea Relief
Alleviates nausea and stimulates appetite
- •Inflammation Reduction
Reduces arthritis and inflammatory conditions
- •Muscle Spasm Relief
Eases muscle spasms and cramps
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 WSU?
WSU is a indica cannabis strain containing up to 25.0% THC, with a terpene profile dominated by Myrcene and Pinene. 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 6-25% · 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
Chemo × UBC Chemo · bred by Washington
Lineage Sources
- 1 WSU Weed Strain Information leafly.com(opens in new tab)
- 2 WSU Marijuana Strain Information & Reviews allbud.com(opens in new tab)
- 3 Wsu Strain - Review & Info askgrowers.com(opens in new tab)
- 4 WSU Weed Strain Review and Information ilovegrowingmarijuana.com(opens in new tab)
- 5 WSU Weed Strain Review & Info | Weedstrain weedstrain.com(opens in new tab)
- 6 wsu designer - Washington DC wheresweed.com(opens in new tab)
- 7 WSU researchers tease out genetic differences between cannabis strains news.wsu.edu(opens in new tab)
7 verified sources
WSU is an indica strain derived from Chemo genetics, specifically bred from UBC Chemo parentage. The strain is known for its pure indica composition.
Genetics
Origin Timeline
First cultivated in 2013
Breeder
Washington
Seed Bank
ILGM
The Full Story
Detailed Description
The long-form profile · ~4 min read
Introducing WSU: A Pure Indica Powerhouse
WSU, also known as Washington State University or WASU, stands as a testament to the therapeutic potential of pure indica genetics. This 100% indica strain descended from the legendary Chemo lineage (specifically UBC Chemo) has carved out a reputation as a potent medical strain designed for serious relief. Bred in Washington during the early 2010s, WSU represents a deliberate effort to create a strain that delivers maximum sedative and analgesic properties. With THC levels ranging from 6% to 25% depending on the phenotype and cultivation methods, this strain offers options for both novice patients seeking gentle relief and experienced users requiring heavy-duty therapeutic effects. The strain earned its place in cannabis culture not through flashy marketing, but through consistent performance in addressing chronic pain, insomnia, and appetite loss.
🧬 Genetic Heritage & Lineage
WSU's genetic story begins with Chemo, one of the most respected medical cannabis strains in history. The UBC Chemo parent strain was originally developed at the University of British Columbia in the 1970s specifically to help cancer patients undergoing chemotherapy manage nausea and pain. By selecting this legendary genetic foundation, WSU's Washington-based breeders ensured the strain would carry forward Chemo's renowned therapeutic qualities while adapting it for modern cultivation standards. The strain emerged in 2013 during the early days of Washington's legal cannabis market, representing a bridge between old-school medical genetics and contemporary craft cannabis. This pure indica composition means you're getting unadulterated sedative and body-focused effects without any sativa stimulation—exactly what patients seeking deep relaxation and pain relief desire.
👃 Terpene Profile & Aromatics
WSU's aromatic complexity comes from an impressive terpene blend dominated by Myrcene at 50%—an unusually high concentration that explains the strain's powerful sedative effects. Myrcene, known for its musky, earthy character, works synergistically with the cannabinoids to enhance the "couch-lock" sensation and promote deep physical relaxation. Pinene follows at 43%, adding crisp pine notes that cut through the earthiness while potentially improving alertness and memory retention—an interesting counterbalance to the heavy body effects. Caryophyllene at 29% contributes spicy, peppery undertones while uniquely binding to CB2 receptors to provide anti-inflammatory benefits. Limonene at 28% rounds out the major terpenes with bright citrus notes and mood-elevating properties. Minor players include Carene (0.63%) and Ocimene (0.12%), which add subtle complexity with sweet, herbal whispers.
The overall aroma profile opens with dominant pine forests—fresh, resinous, and clean. As you break apart the buds, berry sweetness emerges alongside earthy undertones and unexpected grape notes. Some phenotypes exhibit a distinctive chemical or diesel-like sharpness that hints at the strain's medicinal potency. Woody and sweet base notes provide a comforting foundation to this complex aromatic tapestry.
👅 Flavor Experience
WSU's flavor journey mirrors its aromatic complexity but reveals itself in layers. The initial inhale delivers crisp pine that coats your palate, immediately followed by berry sweetness and grape richness. Mid-palate, you'll detect citrus brightness that adds dimension, while diesel and chemical notes remind you of this strain's serious medicinal pedigree. The exhale brings earthy groundedness with lingering woody and sweet notes that create a surprisingly pleasant aftertaste. Some users note subtle sage and menthol cooling sensations that add refreshing complexity.
🎯 Effects & Experience
WSU delivers exactly what pure indica genetics promise: profound relaxation that begins within minutes of consumption. You'll first notice a gentle wave of euphoria and happiness washing over your mind, creating a contented mental state before the heavier body effects arrive. Within 10-15 minutes, the experience transitions to full-body sedation characterized by deep calmness and the classic indica "melt." Your muscles release tension you didn't know you were holding, and physical discomfort begins to fade into the background.
The hungry effects—commonly called "the munchies"—arrive reliably with WSU, making this strain particularly valuable for patients dealing with appetite loss. As the experience progresses, sleepiness becomes increasingly prominent, making this definitively a nighttime strain. The effects typically last 2-4 hours, with peak intensity occurring 30-60 minutes after consumption. Some users report surprising moments of creativity and uplifted mood during the initial onset, though these mental effects eventually give way to the dominant sedative qualities.
💚 Medical & Therapeutic Potential
WSU shines brightest in therapeutic applications. The strain may help significantly with chronic pain management, leveraging both its high THC content and pain-relieving terpenes like Caryophyllene. Patients report relief from conditions including arthritis, muscle spasms, cramps, and general inflammation. The strain's sedative properties make it potentially valuable for insomnia and other sleep disorders—many users report WSU helps them achieve deeper, more restorative sleep.
The appetite-stimulating effects may benefit patients dealing with nausea, anorexia, or appetite loss from medical treatments. Mental health applications include potential support for stress relief, depression management, and even ADHD symptoms, though the heavy sedation means this isn't a daytime solution. As with all medical cannabis, individual results vary, and consultation with healthcare providers is recommended.
👁️ Visual Characteristics
WSU buds present as dense, resinous nuggets with deep forest green coloration and purple undertones that become more pronounced in properly cured flowers. Fiery orange to rust-colored pistils weave throughout the bud structure, creating striking visual contrast. The crystal density ranges from high to very high depending on the phenotype, with amber and cloudy trichomes creating a frosty appearance that signals potency. The bud structure is characteristically indica—tight, compact, and heavy for their size.
⚠️ Consumer Considerations
WSU is best suited for evening and nighttime use, ideal for unwinding after a long day or preparing for sleep. Begin with low doses if you're new to cannabis or have low THC tolerance—even the 6% THC phenotypes deliver notable effects. Common side effects include dry mouth and dry eyes, both easily managed with hydration and eye drops. The strain's availability is relatively common through dispensaries in legal markets, often sold under its full "Washington State University" name or the WASU abbreviation.
Research Methodology
How we compiled this strain profile
This strain profile was compiled from 13 published sources covering 'WSU'. 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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