Arjan's Ultra Haze #1
aka Arjan's Ultra Haze, Ultra Haze 1, Auh
Arjan's Ultra Haze #1 is a legendary 80/20 sativa-dominant hybrid from Green House Seeds that won the 2006 High Times Cannabis Cup. Combining Neville's Haze with Cambodian and Laotian landraces, this strain delivers cerebral euphoria, creative energy, and introspective clarity with 15-21% THC. The complex terpene profile creates fresh pine, minty herbal, and citrus flavors with earthy undertones. Effects are uplifting and focused, perfect for daytime creativity, social activities, and meditation, making it a sophisticated choice for experienced users seeking mental stimulation without sedation.
The Short Answer
What kind of high is Arjan's Ultra Haze #1?
Geraniol-led and herbal-mint on the palate, most often reported euphoric and picked for meditation.
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 →- Carene
- Valencene Sweet, citrus, 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.
- Focused
- 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 →- Citrus
- Cheese
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 →- Herbal
- Mint
- Best Time anytime
- Era 2006
- Rarity Uncommon
Genetics Sativa-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 Arjan's Ultra Haze #1
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 moment this smoke hits, I feel my consciousness expanding outward like ripples on a pond—crystalline mental clarity washing away mental fog with startling efficiency. My thoughts become sharper, more interconnected, as if someone just upgraded my brain's operating system to a faster processor. There's this beautiful energetic lift coursing through my body, not jittery or anxious, but purposeful and directed—I want to create something, have a deep conversation, or lose myself in a complex problem that would normally feel overwhelming.
What fascinates me most is the introspective depth this strain unlocks. Colors appear more saturated, music reveals hidden layers, and my perception shifts into what I can only describe as a mildly psychedelic headspace—not hallucinogenic, but perceptually enhanced. The Southeast Asian landrace genetics express themselves through this clean, uplifting cerebral experience that feels ancient and wise, while the Neville's Haze parentage ensures the potency stays modern and refined. The 20% indica genetics keep me grounded enough to actually harness this mental energy productively rather than spinning off into scattered thoughts. This is functional euphoria at its finest—mentally stimulating without being overwhelming, perfect for when you need your mind firing on all cylinders while maintaining that calm, centered feeling that makes everything just flow beautifully.
Effects Profile
Euphoric · Focused · Creative
Best enjoyed during anytime
Balanced for any time of day
Best For
Meditation · Work · Watching TV/Movies
Effect Sources
- 1 Arjan's Ultra Haze #1 - Weed Strains leafly.com(opens in new tab)
- 2 Arjan's Ultra Haze #1 Marijuana Strain Information & Reviews allbud.com(opens in new tab)
- 3 Arjan's Ultra Haze #1 Strain Information and Review ilovegrowingmarijuana.com(opens in new tab)
- 4 Buy Arjan's Ultra Haze #1 feminized seeds Green House Seeds herbiesheadshop.com(opens in new tab)
- 5 Arjan's Ultra Haze #1 – Meditative sativa with a strong stretch unitedseedbanks.com(opens in new tab)
- 6 Arjan's Ultra Haze #1 Weed Strain Review & Info strains.uk(opens in new tab)
- 7 Arjan's Ultra Haze 1 | Feminized Marijuana Seeds semillas-de-marihuana.com(opens in new tab)
- 8 Arjan's Ultra Haze #1 seedmasters.com(opens in new tab)
- 9 Arjan’s Ultra Haze #1 (F) – Buy Cannabis Seeds Online northatlanticseed.com(opens in new tab)
- 10 Arjan's Ultra Haze #1 Feminised Seeds (Green House Seed Co) seedmadness.com(opens in new tab)
- 11 Arjan's Ultra Haze #1 (3 seeds) 420shop.nl(opens in new tab)
11 verified sources
Look, Aroma & Taste
Aroma & Flavor
Pine · Herbal · Earthy
Aroma & Flavor Sources
- 1 Arjan's Ultra Haze #1 - Weed Strains leafly.com(opens in new tab)
- 2 Arjan's Ultra Haze #1 Marijuana Strain Information & Reviews allbud.com(opens in new tab)
- 3 Arjan's Ultra Haze #1 Strain Information and Review ilovegrowingmarijuana.com(opens in new tab)
- 4 Buy Arjan's Ultra Haze #1 feminized seeds Green House Seeds herbiesheadshop.com(opens in new tab)
- 5 Arjan's Ultra Haze 1 | Feminized Marijuana Seeds semillas-de-marihuana.com(opens in new tab)
- 6 Arjan's Ultra Haze #1 seedmasters.com(opens in new tab)
- 7 Arjan’s Ultra Haze #1 (F) – Buy Cannabis Seeds Online northatlanticseed.com(opens in new tab)
- 8 Arjan's Ultra Haze #1 (3 seeds) 420shop.nl(opens in new tab)
8 verified sources
Aromas
Flavors
Terpene Profile
Geraniol leads · 5 terpenes mapped
Terpene Sources
- 1 Arjan's Ultra Haze #1 - Weed Strains leafly.com(opens in new tab)
- 2 Arjan's Ultra Haze #1 Strain Information and Review ilovegrowingmarijuana.com(opens in new tab)
- 3 Arjan's Ultra Haze #1 Weed Strain Review & Info strains.uk(opens in new tab)
- 4 Arjan's Ultra Haze #1 seedmasters.com(opens in new tab)
- 5 Arjan's Ultra Haze #1 (3 seeds) 420shop.nl(opens in new tab)
5 verified sources
Terpene Distribution
Terpene profile: Geraniol 0.3%, Carene 0.2%, Valencene 0.2%, Pinene 0.2%, Limonene 0.2% .
Geraniol Dominant
Carene
Valencene
Flavor: Sweet, citrus, orange
Pinene
Flavor: Pine, fresh forest
Limonene
Flavor: Citrus, lemon, orange
Full Profile
Geraniol
0.35%
Carene
0.24%
Valencene
0.24%
Flavor Profile:
Sweet, citrus, orange
Effects:
Pinene
0.19%
Flavor Profile:
Pine, fresh forest
Effects:
Limonene
0.18%
Flavor Profile:
Citrus, lemon, orange
Effects:
Appearance
Deep forest green · Purple undertones
Color Palette
Texture
Classic sativa structure with elongated, less dense buds featuring fluffy yet resinous texture. Moderate to high trichome coverage gives quality examples a frosty, crystalline appearance.
Crystal Density
high
Heavy frost coating
Chemistry & Research
Medical Effects
7 reported therapeutic uses on file
Medical Effect Sources
- 1 Arjan's Ultra Haze #1 - Weed Strains leafly.com(opens in new tab)
- 2 Arjan's Ultra Haze #1 Marijuana Strain Information & Reviews allbud.com(opens in new tab)
- 3 Arjan's Ultra Haze #1 Strain Information and Review ilovegrowingmarijuana.com(opens in new tab)
- 4 Buy Arjan's Ultra Haze #1 feminized seeds Green House Seeds herbiesheadshop.com(opens in new tab)
- 5 Arjan's Ultra Haze #1 seedmasters.com(opens in new tab)
- 6 Arjan's Ultra Haze #1 (3 seeds) 420shop.nl(opens in new tab)
6 verified sources
Mental Effects
- •Stress Relief
Reduces stress and tension through calming effects
- •Anxiety Management
Alleviates anxiety symptoms and promotes mental calm
- •Depression Support
Elevates mood and combats depressive symptoms
- •Focus Enhancement
Sharpens concentration and mental clarity
- •Fatigue Relief
Boosts energy and combats tiredness
Professor High visualization
Body Effects
- •Pain Management
Reduces chronic pain and muscle tension
- •Appetite Stimulation
Increases appetite and promotes healthy eating
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 Arjan's Ultra Haze #1?
Arjan's Ultra Haze #1 is a sativa cannabis strain containing up to 21.2% THC, with a terpene profile dominated by Geraniol and Carene. 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 15.22-21.22% · 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
Vaping · Smoking · Concentrates
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
Neville's Haze × Cambodian x Laos · bred by Green House Seeds
Lineage Sources
- 1 Arjan's Ultra Haze #1 - Weed Strains leafly.com(opens in new tab)
- 2 Arjan's Ultra Haze #1 Marijuana Strain Information & Reviews allbud.com(opens in new tab)
- 3 Arjan's Ultra Haze #1 Strain Information and Review ilovegrowingmarijuana.com(opens in new tab)
- 4 Buy Arjan's Ultra Haze #1 feminized seeds Green House Seeds herbiesheadshop.com(opens in new tab)
- 5 Arjan's Ultra Haze #1 – Meditative sativa with a strong stretch unitedseedbanks.com(opens in new tab)
- 6 Arjan's Ultra Haze #1 Weed Strain Review & Info strains.uk(opens in new tab)
- 7 Arjan's Ultra Haze 1 | Feminized Marijuana Seeds semillas-de-marihuana.com(opens in new tab)
- 8 Arjan's Ultra Haze #1 seedmasters.com(opens in new tab)
- 9 Arjan’s Ultra Haze #1 (F) – Buy Cannabis Seeds Online northatlanticseed.com(opens in new tab)
- 10 Arjan's Ultra Haze #1 Feminised Seeds (Green House Seed Co) seedmadness.com(opens in new tab)
- 11 Arjan's Ultra Haze #1 (3 seeds) 420shop.nl(opens in new tab)
11 verified sources
Sativa-dominant hybrid created by crossing Neville's Haze with Cambodian and Laos landrace strains
Genetics
Origin Timeline
First cultivated in 2006
Breeder
Green House Seeds
Seed Bank
Green House Seeds
Awards & Recognition
4 awards & mentions
Award Sources
- 1 Arjan's Ultra Haze #1 - Weed Strains leafly.com(opens in new tab)
- 2 Arjan's Ultra Haze #1 Marijuana Strain Information & Reviews allbud.com(opens in new tab)
- 3 Buy Arjan's Ultra Haze #1 feminized seeds Green House Seeds herbiesheadshop.com(opens in new tab)
- 4 Arjan's Ultra Haze #1 Weed Strain Review & Info strains.uk(opens in new tab)
- 5 Arjan's Ultra Haze 1 | Feminized Marijuana Seeds semillas-de-marihuana.com(opens in new tab)
- 6 Arjan's Ultra Haze #1 seedmasters.com(opens in new tab)
- 7 Arjan's Ultra Haze #1 Feminised Seeds (Green House Seed Co) seedmadness.com(opens in new tab)
7 verified sources
Competition Wins
The Full Story
Detailed Description
The long-form profile · ~5 min read
The Champion Haze That Defined an Era
Arjan's Ultra Haze #1 stands as one of the most celebrated sativa-dominant hybrids in modern cannabis history, capturing the prestigious High Times Cannabis Cup in 2006 and securing multiple placements across international competitions. Created by the legendary Green House Seeds team, this 80% sativa / 20% indica powerhouse represents the pinnacle of haze breeding, combining the cerebral intensity of Neville's Haze with exotic Cambodian and Laotian landrace genetics. The result is a strain that delivers soaring mental clarity, creative energy, and introspective depth—making it a favorite among connoisseurs seeking a sophisticated, mentally-engaging cannabis experience.
🧬 Genetic Heritage & Lineage
Born in the mid-2000s, Arjan's Ultra Haze #1 emerged from Green House Seeds' ambitious breeding program aimed at perfecting the classic haze experience. By crossing the legendary Neville's Haze—itself a complex hybrid of Thai, Colombian, and Mexican sativas—with pure Cambodian and Laotian landrace strains, breeders created a genetic masterpiece that honors traditional Southeast Asian cannabis while incorporating the refined potency of Dutch breeding expertise. This three-way fusion captures the best of both worlds: the uplifting, energetic qualities of Southeast Asian genetics combined with the cerebral complexity and potency that made Neville's Haze famous among Amsterdam coffee shops. The strain's 2006 Cannabis Cup victory in the sativa category validated years of careful selection and breeding, cementing its place in cannabis history.
👃 Terpene Profile & Aromatics
The aromatic signature of Arjan's Ultra Haze #1 is where its Southeast Asian heritage truly shines. The terpene profile features alpha-pinene (0.19%) as a dominant player, delivering sharp, forest-fresh pine notes that immediately awaken the senses. Geraniol (0.35%) contributes floral, rose-like undertones, while limonene (0.18%) adds bright citrus accents that cut through the herbal base. Trace amounts of carene (0.24%) and valencene (0.24%) round out the profile with subtle woody and sweet orange nuances. When you approach the buds, you'll first notice fresh pine and herbal scents, followed by layers of minty coolness, black pepper spiciness, and earthy undertones. Some phenotypes express unique tropical notes or even funky blue cheese aromatics, making each encounter with this strain a complex sensory journey. The total terpene content of approximately 1.2% may seem modest, but the synergistic combination creates an aromatic experience far greater than the sum of its parts.
👅 Flavor Experience
The flavor journey of Arjan's Ultra Haze #1 mirrors its aromatic complexity while adding unexpected dimensions. On the inhale, you'll taste herbal tea-like flavors dominated by fresh mint and sage, creating a cooling sensation across your palate. Mid-palate, black pepper spiciness emerges alongside citrus brightness, while the exhale reveals earthy, woody notes with hints of sweet herbal character. Some users report surprising blue cheese or funky undertones on the finish, adding savory depth to the predominantly fresh, green flavor profile. The alpha-pinene content ensures a clean, crisp finish that doesn't linger heavily, making this an excellent strain for those who prefer bright, uplifting flavors over heavy, sedating tastes.
🎯 Effects & Experience
With THC levels ranging from 15.22% to 21.22%, Arjan's Ultra Haze #1 delivers potent cerebral effects that unfold gradually and last for hours. Within 10-15 minutes of consumption, you'll notice a wave of euphoric uplift washing over your consciousness, bringing enhanced focus and mental clarity that makes this strain ideal for daytime activities. The sativa dominance expresses itself through energizing, creative effects that stimulate conversation, artistic expression, and analytical thinking. Rather than causing racing thoughts or anxiety, the 20% indica genetics provide just enough physical relaxation to keep the experience grounded and comfortable.
The peak effects arrive 30-45 minutes after consumption, characterized by intensified sensory perception, introspective depth, and what many users describe as a mildly psychedelic quality—colors may appear more vibrant, music more layered, and thoughts more profound. This introspective character makes it popular for meditation and contemplative activities. The experience typically lasts 2-4 hours, with effects gradually tapering into a calm, focused state without the heavy crash associated with indica-dominant strains. Users consistently report feeling happy, talkative, and socially engaged, making this an excellent choice for gatherings or creative collaborations.
💚 Medical & Therapeutic Applications
Arjan's Ultra Haze #1 has earned a reputation in medical cannabis communities for its potential to address mental health challenges and energy-related conditions. The strain may help manage stress and anxiety through its mood-elevating properties, while the energizing effects make it a popular choice for combating fatigue, ADD/ADHD, and lack of motivation. Some patients report relief from mild to moderate pain and headaches, though the primarily mental effects make it better suited for psychological rather than heavy physical symptom management. The strain may also stimulate appetite in those experiencing loss of hunger. The introspective, meditative qualities can support mindfulness practices and therapeutic self-reflection, making it a tool for personal growth and emotional processing.
👁️ Visual Characteristics & Identification
The buds of Arjan's Ultra Haze #1 display classic sativa structure—elongated, less dense than indica flowers, with a fluffy yet resinous texture. Primary colors include deep forest green with purple undertones becoming more pronounced in cooler growing conditions. Fiery orange to rust-colored pistils weave throughout the bud structure, creating striking visual contrast. The trichome coverage ranges from moderate to high, giving quality examples a frosty, crystalline appearance that catches light beautifully. The overall presentation reflects the strain's exotic landrace heritage—wild, natural-looking flowers that prioritize terpene production and cerebral effects over bag appeal.
🏆 Awards, Recognition & Cultural Impact
The 2006 High Times Cannabis Cup first place in the sativa category remains Arjan's Ultra Haze #1's crowning achievement, but the strain earned four total Cannabis Cup placements, demonstrating consistent quality across multiple competitions and judging panels. This recognition established Green House Seeds as masters of sativa breeding and helped popularize complex, landrace-influenced hybrids during an era dominated by indica-heavy genetics. The strain represents a historical moment when breeders looked beyond pure potency to create nuanced, experience-driven cannabis.
⚠️ Consumer Considerations
Arjan's Ultra Haze #1 is best suited for experienced consumers comfortable with potent sativa effects and beginners willing to start with small doses. The clear-headed, energizing nature makes it ideal for daytime and early evening use, though the introspective qualities can enhance nighttime meditation or creative sessions. New users should start low and go slow, as the effects build gradually and can become quite intense at higher doses. Those prone to anxiety or paranoia should approach cautiously, as the cerebral intensity may overwhelm sensitive individuals. Common side effects include dry mouth and dry eyes (easily managed with hydration and eye drops), with occasional reports of dizziness or mild paranoia at high doses. Availability remains somewhat uncommon outside specialized dispensaries and seed banks, making this a strain worth seeking out for haze enthusiasts and sativa lovers.
Research Methodology
How we compiled this strain profile
This strain profile was compiled from 12 published sources covering 'Arjan's Ultra Haze #1'. 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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