Uw
aka U-Dub, UW Purple, UW Purp, U Dub, UW Black, Black 84, UW Black '84, UW Hashplant, University of Washington Purple, Udub
UW (aka U-Dub or UW Purple) is a legendary Pacific Northwest indica-dominant strain with Afghan and Northern Lights heritage. Delivering deep physical relaxation, sweet berry-grape flavors, and powerful sedation, this Seattle icon is the ultimate nighttime companion for stress relief, pain management, and a smooth descent into restorative sleep.
Quick Hits
These are approximate averages from community data. Your actual product's THC/CBD varies by batch, grower, and growing conditions.
Scan your label for exact values →Classification based on genetic lineage. Note: Recent research shows indica/sativa labels don't predict effects—terpene profiles do.
The dominant aromatic compound shaping this strain's effects and flavor profile. Terpenes work with cannabinoids to create your unique experience.
Recommendation based on typical effects. Morning strains tend to energize; evening strains tend to relax. Your experience may vary.
When this strain was first cultivated or its genetic origin decade. Heritage strains often have more stable, established genetics.
Market availability based on dispensary listings and community data. Rare strains may require searching specialty dispensaries.
Strain Highlights
Key insights at a glance
Professor High Says...
In-depth strain breakdown from our cannabis expert
Right, so the first thing I noticed was this warmth — like someone turned up the thermostat from the inside out. It starts in the chest, spreads across the shoulders, and then just... melts everything. The mental side is genuinely lovely — there's this soft euphoric cushion that settles around your thoughts, not the kind that makes you race, but the kind that makes everything feel gently resolved. I'm tasting grape and sweet berry with every exhale, and that Beta-Caryophyllene is definitely doing work because the tension in my lower back has basically dissolved. This is Myrcene doing what Myrcene does best — it's like the terpene equivalent of a weighted blanket. The sedation is building steadily, not abruptly. I'm lucid enough to appreciate the complexity of this experience, but my body is clearly filing a very polite but firm request to lie down soon. UW is the kind of strain that doesn't need to shout — it just quietly takes care of you.
Effects Profile
Best enjoyed during night
Deep relaxation and sleep
Best For
Effect Sources
- 1Uw Strain: A Comprehensive Strain Guideapp.jointcommerce.com
- 2UW Purple aka UW, U Dub Weed Strain Informationleafly.com
- 3UW Purple Marijuana Strain Information & Reviewsallbud.com
- 4UW Weed Strain Review and Informationilovegrowingmarijuana.com
- 5UW (Clone Only Strains) :: Cannabis Strain Infoseedfinder.eu
- 6UW Strain - Indica Cannabis Review,hytiva.com
- 7UW Purple Weed Strain Review & Infostrains.uk
- 8UW Purple - Leaf Magazinesleafmagazines.com
- 9How Did UW Purple Get Its Name?seattlehashtag.com
- 10Black '84 aka UW Black '84, Black 1984 Weed Strain Information | Leaflyleafly.com
- 11UW Purple reviewsleafly.com
- 12UW Sativa Marijuana Strainallbud.com
- 13Cannabis Strain Review: Uw Sativaascendancystrains.com
- 14SeattleSoda Strain - Growing Tips and Medical Effects | Marijuana Guidesmarijuana-guides.com
- 15UW Purple Cannabis Strain Information - GrowDiariesgrowdiaries.com
- 16UW Seedspacificseedbank.com
16 verified sources
Aroma & Flavors
Aroma & Flavor Sources
- 1Uw Strain: A Comprehensive Strain Guideapp.jointcommerce.com
- 2UW Purple aka UW, U Dub Weed Strain Informationleafly.com
- 3UW Purple Marijuana Strain Information & Reviewsallbud.com
- 4UW | hybrid Weed Straincannapages.com
- 5UW Weed Strain Review and Informationilovegrowingmarijuana.com
- 6UW (Clone Only Strains) :: Cannabis Strain Infoseedfinder.eu
- 7UW Strain - Indica Cannabis Review,hytiva.com
- 8UW Purple Weed Strain Review & Infostrains.uk
- 9UW Purple - Leaf Magazinesleafmagazines.com
- 10How Did UW Purple Get Its Name?seattlehashtag.com
- 11Black '84 aka UW Black '84, Black 1984 Weed Strain Information | Leaflyleafly.com
- 12UW Purple reviewsleafly.com
- 13UW Sativa Marijuana Strainallbud.com
- 14SeattleSoda Strain - Growing Tips and Medical Effects | Marijuana Guidesmarijuana-guides.com
- 15UW Purple Cannabis Strain Information - GrowDiariesgrowdiaries.com
- 16UW Seedspacificseedbank.com
16 verified sources
Aromas
Flavors
Terpene Profile
Lab VerifiedTerpene Sources
- 1Uw Strain: A Comprehensive Strain Guideapp.jointcommerce.com
- 2UW Purple aka UW, U Dub Weed Strain Informationleafly.com
- 3UW Purple Weed Strain Review & Infostrains.uk
- 4UW Purple - Leaf Magazinesleafmagazines.com
- 5Black '84 aka UW Black '84, Black 1984 Weed Strain Information | Leaflyleafly.com
- 6Cannabis Strain Review: Uw Sativaascendancystrains.com
- 7UW Purple Cannabis Strain Information - GrowDiariesgrowdiaries.com
- 8UW Seedspacificseedbank.com
8 verified sources
Terpene Distribution
MyrceneDominant
Flavor: Earthy, musky, fruity
Full Profile
Myrcene
0.85 %
Flavor Profile:
Earthy, musky, fruity
Effects:
Beta-Caryophyllene
0.45 %
Alpha-Pinene
0.15 %
Humulene
0.15 %
Flavor Profile:
Hoppy, woody, earthy
Effects:
Linalool
0.1 %
Flavor Profile:
Floral, lavender, sweet
Effects:
Ocimene
0.05 %
Flavor Profile:
Sweet, herbaceous, woody
Effects:
Terpinolene
0.02 %
Flavor Profile:
Fresh, piney, floral, citrus
Effects:
Cannabinoid Profile
High CBD (>15%), low THC (<1%) - Non-intoxicating therapeutic
Medical Effects
Medical Effect Sources
- 1Uw Strain: A Comprehensive Strain Guideapp.jointcommerce.com
- 2UW Purple aka UW, U Dub Weed Strain Informationleafly.com
- 3UW Purple Marijuana Strain Information & Reviewsallbud.com
- 4UW Weed Strain Review and Informationilovegrowingmarijuana.com
- 5UW (Clone Only Strains) :: Cannabis Strain Infoseedfinder.eu
- 6UW Strain - Indica Cannabis Review,hytiva.com
- 7UW Purple Weed Strain Review & Infostrains.uk
- 8How Did UW Purple Get Its Name?seattlehashtag.com
- 9Black '84 aka UW Black '84, Black 1984 Weed Strain Information | Leaflyleafly.com
- 10UW Purple reviewsleafly.com
- 11UW Sativa Marijuana Strainallbud.com
- 12UW Purple Cannabis Strain Information - GrowDiariesgrowdiaries.com
- 13UW Seedspacificseedbank.com
13 verified sources
Mental Effects
- •Stress Relief
Calms racing thoughts and reduces tension
- •Anxiety Management
Eases anxious feelings and promotes relaxation
- •Mood Enhancement
Elevates mood and induces euphoric state
- •Depression Support
Helps alleviate depressive symptoms temporarily
Professor High visualization
Body Effects
- •Pain Relief
Reduces chronic pain and muscle tension effectively
- •Sleep Support
Promotes deep sleep and reduces insomnia symptoms
- •Muscle Relaxation
Eases muscle spasms and promotes relaxation
- •Appetite Stimulation
Increases appetite and food intake desire
- •Migraine Relief
Reduces severity and frequency of migraines
- •Anti-inflammatory
Reduces joint inflammation and swelling
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.
Lineage History
Lineage Sources
- 1Uw Strain: A Comprehensive Strain Guideapp.jointcommerce.com
- 2UW Purple aka UW, U Dub Weed Strain Informationleafly.com
- 3UW Purple Marijuana Strain Information & Reviewsallbud.com
- 4UW | hybrid Weed Straincannapages.com
- 5UW (Clone Only Strains) :: Cannabis Strain Infoseedfinder.eu
- 6UW Purple - Leaf Magazinesleafmagazines.com
- 7How Did UW Purple Get Its Name?seattlehashtag.com
- 8Black '84 aka UW Black '84, Black 1984 Weed Strain Information | Leaflyleafly.com
- 9SeattleSoda Strain - Growing Tips and Medical Effects | Marijuana Guidesmarijuana-guides.com
- 10UW Seedspacificseedbank.com
10 verified sources
UW is an indica-dominant strain with Northern Lights in its lineage, originating from the 1990s. Also known as U-Dub or UW Purple, it represents a clone-only strain with roots tracing back to unknown indica varieties and Afghan landrace genetics.
Genetics
Origin Timeline
First cultivated in 1984
Breeder
University of Washington
Seed Bank
ILGM
Consumption Methods
Recommended Methods
Side Effects
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.
Awards & Recognition
Awards & Recognition Coming Soon
We're researching competition wins and industry recognition for this strain.
Detailed Description
UW (U-Dub): Seattle's Legendary Indica
UW — also known as U-Dub, UW Purple, or UW Purp — is one of the Pacific Northwest's most storied cannabis strains. Born from the underground cannabis culture surrounding the University of Washington in Seattle, this 80% indica / 20% sativa cultivar carries decades of regional history and a devoted following that stretches well beyond the Emerald City. Whether you call it UW, UW Purple, or its rarer alias Black '84, this is a strain with deep roots, complex flavors, and a powerfully sedating character.
🧬 Genetic Heritage & Lineage
The full genetic picture of UW is somewhat shrouded in mystery — a hallmark of its clone-only origin and underground provenance. Most sources trace its lineage back to Afghan landrace genetics, with Northern Lights frequently cited as a key ancestor. Some sources reference an early creation date of 1984, giving rise to the nickname Black '84. The strain is believed to have circulated in clone form throughout the Seattle cannabis community beginning in the late 1980s to early 1990s, eventually evolving into the various phenotypes now known as UW Purple, UW Hashplant, and UW Black. Its breeder is loosely attributed to the University of Washington community, though no formal breeder has claimed official credit.
👃 Terpene Profile & Aromatics
UW's terpene profile is lab-tested and well-documented, making it one of the more scientifically grounded aspects of this storied strain. The dominant terpenes include:
| Terpene | % | Effect Contribution |
|---|---|---|
| Myrcene | 0.85% | Sedating, body-heavy relaxation |
| Beta-Caryophyllene | 0.45% | Pain relief, CB2 receptor activity |
| Alpha-Pinene | 0.15% | Mild alertness, memory retention |
| Humulene | 0.15% | Anti-inflammatory |
| Linalool | 0.10% | Calming, sleep-promoting |
Myrcene dominates at 0.85%, which largely explains UW's deep body sedation and classic "couch-lock" indica character. Beta-Caryophyllene adds a spicy, peppery backbone to both the aroma and the analgesic profile. You'll notice the aroma is a rich, layered bouquet — opening with sweet berry and grape, deepening into earthy pine and spice, and finishing with a subtle floral and sage undertone. The overall nose is pungent and inviting, reminiscent of a ripe fruit bowl set on a forest floor.
👅 Flavor Experience
On the inhale, you'll encounter a lush wave of sweet berry and grape — the kind of flavor that makes you pause and take note. The mid-palate opens into earthy pine and herbal spice, adding depth and complexity. On the exhale, expect a slightly peppery, spicy finish with lingering herbal and woody notes. The full flavor journey is smooth and satisfying, making UW a pleasure to enjoy in any form.
🎯 Effects & Experience
UW delivers a classically indica experience with a gentle euphoric onset that transitions into deep physical relaxation. Effects typically begin within minutes:
- Onset (0–10 min): Warm euphoria washes over the mind; mood lifts, tension dissolves
- Peak (20–60 min): Heavy body relaxation sets in; muscles loosen, thoughts slow pleasantly
- Late Stage (60+ min): Strong sedation and sleepiness; appetite stimulation common
THC ranges from 13–26% across phenotypes, so potency can vary significantly by batch. Novice consumers should approach with caution, while seasoned users will appreciate the strain's reliable, enveloping sedation.
🎮 Use Cases & Activities
UW excels as an evening and nighttime strain. You'll find it pairs well with:
- Unwinding after a long, stressful day
- Settling in for a movie or low-stimulation entertainment
- Preparing your body and mind for restful sleep
- Managing physical discomfort or tension
💚 Medical & Therapeutic Potential
UW may help with a range of conditions, supported by its terpene chemistry:
- Insomnia: Myrcene + Linalool combination strongly supports sleep onset
- Chronic pain: Beta-Caryophyllene's CB2 agonism may provide meaningful relief
- Stress & anxiety: The deep body relaxation may help quiet anxious thought patterns
- Muscle spasms: Frequently cited by users managing tension and spasms
- Appetite stimulation: The "munchies" effect is notably reported
👁️ Visual Characteristics
UW Purple is visually striking. Buds are dense and chunky, typical of its heavy indica genetics. You'll notice deep forest green base coloration accented by rich purple and violet hues — especially in cooler-grown phenotypes. Rust-orange pistils weave through the buds, and a generous coating of frosty white trichomes gives the flower a crystalline, almost sugared appearance.
📜 Cultural Context & Lore
UW holds a special place in Pacific Northwest cannabis culture. Named after the University of Washington in Seattle, it became a local legend — passed from grower to grower as a coveted clone. Its various phenotypes (UW Purple, UW Black, UW Hashplant) reflect the strain's long journey through Seattle's underground cannabis community. Today, it remains a point of regional pride and is regularly featured in Washington State dispensaries.
⚠️ Consumer Considerations
Best suited for intermediate to experienced consumers due to its potentially high THC content and strong sedative effects. New consumers should start with a small dose and allow 20–30 minutes before redosing. Dry mouth and dry eyes are the most commonly reported side effects — stay hydrated and keep eye drops handy.
Appearance
Color Palette
Texture
Dense, chunky indica buds with a tight structure and heavy resin coating. Surface feels slightly sticky and crystalline due to generous trichome coverage.
Crystal Density
high
Heavy frost coating
Research Methodology
How we compiled this strain profile
This strain profile was generated by analyzing 22 independent sources mentioning 'Uw'. Our research pipeline cross-references multiple databases, lab results, and community reports to synthesize accurate strain data.
Data Quality by Section
Select what needs to be reviewed for Uw:
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Strain Highlights
Key insights at a glance
Lineage History
Lineage Sources
- 1Uw Strain: A Comprehensive Strain Guideapp.jointcommerce.com
- 2UW Purple aka UW, U Dub Weed Strain Informationleafly.com
- 3UW Purple Marijuana Strain Information & Reviewsallbud.com
- 4UW | hybrid Weed Straincannapages.com
- 5UW (Clone Only Strains) :: Cannabis Strain Infoseedfinder.eu
- 6UW Purple - Leaf Magazinesleafmagazines.com
- 7How Did UW Purple Get Its Name?seattlehashtag.com
- 8Black '84 aka UW Black '84, Black 1984 Weed Strain Information | Leaflyleafly.com
- 9SeattleSoda Strain - Growing Tips and Medical Effects | Marijuana Guidesmarijuana-guides.com
- 10UW Seedspacificseedbank.com
10 verified sources
UW is an indica-dominant strain with Northern Lights in its lineage, originating from the 1990s. Also known as U-Dub or UW Purple, it represents a clone-only strain with roots tracing back to unknown indica varieties and Afghan landrace genetics.
Genetics
Origin Timeline
First cultivated in 1984
Breeder
University of Washington
Seed Bank
ILGM
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