Deadlights
Deadlights is a 65% sativa-dominant, high-CBD hybrid (9.66-20% CBD, 0.65-13.38% THC) bred by SubCool's The Dank and Norstar Genetics from ACDC and Pennywise genetics. This Type III strain delivers profound therapeutic relief with clear-headed focus, making it ideal for pain management, anxiety reduction, and inflammation control. Featuring myrcene-dominant terpenes with sweet, earthy, berry, and sandalwood aromatics, Deadlights provides relaxing body effects and mental clarity without heavy intoxication—perfect for medical users seeking functional relief.
The Short Answer
What kind of high is Deadlights?
Myrcene-led and sweet-berry on the palate, most often reported relaxed and picked for meditation in the evening.
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
- Ocimene Sweet, herbaceous, woody
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.
- 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 →- Earthy
- Best Time evening
- Era 2010
- Rarity Common
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 Deadlights
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
Okay, so I just consumed some Deadlights about fifteen minutes ago, and this is absolutely fascinating from a cannabinoid interaction perspective. What's happening right now is remarkably different from traditional cannabis experiences. Instead of the typical THC-driven euphoria, I'm experiencing this crystalline mental clarity—like someone just wiped the fog off my cognitive windshield.
The body sensations are where this strain truly shines. There's this gentle, warming wave moving through my muscles, releasing tension I didn't even realize I was carrying. It's the myrcene and caryophyllene working synergistically with CBD, creating what we call the entourage effect. My chronic shoulder tension? Melting away.
What's particularly interesting is the absence of anxiety or paranoia—that low THC-to-CBD ratio means the CBD is actually modulating any psychoactive effects, creating this therapeutic sweet spot. I'm experiencing mild euphoria and happiness, but my thoughts remain organized and functional. This is exactly the kind of strain that demonstrates why CBD-dominant cultivars are revolutionizing medical cannabis. The berry and sandalwood flavors linger pleasantly, and honestly? I could totally teach a biochemistry lecture right now. That's how clear-headed this feels.
Effects Profile
Relaxed · Euphoric
Best enjoyed during evening
Wind down and relax
Best For
Meditation · Sleep & Bedtime · Yoga
Effect Sources
- 1 Deadlights Weed Strain Information leafly.com(opens in new tab)
- 2 Deadlights - Strain Information - CannaConnection cannaconnection.com(opens in new tab)
- 3 Deadlights Marijuana Strain, AKA Tangerine Kush leafwell.com(opens in new tab)
- 4 Deadlights (SubCool's The Dank) :: Cannabis Strain Info seedfinder.eu(opens in new tab)
- 5 Deadlights Strain Complete Information askgrowers.com(opens in new tab)
- 6 Deadlights Strain Seeds firestyleseeds.com(opens in new tab)
- 7 Team Terpene and Deadlights by Phil Sullivan & Subcool weedworldmagazine.org(opens in new tab)
7 verified sources
Look, Aroma & Taste
Aroma & Flavor
Sweet · Earthy · Sandalwood
Aroma & Flavor Sources
- 1 Deadlights Weed Strain Information leafly.com(opens in new tab)
- 2 Deadlights - Strain Information - CannaConnection cannaconnection.com(opens in new tab)
- 3 Deadlights Marijuana Strain, AKA Tangerine Kush leafwell.com(opens in new tab)
- 4 Deadlights (SubCool's The Dank) :: Cannabis Strain Info seedfinder.eu(opens in new tab)
- 5 Deadlights Strain Complete Information askgrowers.com(opens in new tab)
- 6 Deadlights Strain Seeds firestyleseeds.com(opens in new tab)
- 7 Team Terpene and Deadlights by Phil Sullivan & Subcool weedworldmagazine.org(opens in new tab)
7 verified sources
Aromas
Flavors
Terpene Profile
Myrcene leads · 5 terpenes mapped
Terpene Distribution
Terpene profile: Myrcene 0.5%, Caryophyllene 0.4%, Ocimene 0.4%, Humulene 0.3%, Limonene 0.3% .
Myrcene Dominant
Flavor: Earthy, musky, fruity
Caryophyllene
Flavor: Spicy, peppery, woody
Ocimene
Flavor: Sweet, herbaceous, woody
Humulene
Flavor: Hoppy, woody, earthy
Limonene
Flavor: Citrus, lemon, orange
Full Profile
Myrcene
0.5%
Flavor Profile:
Earthy, musky, fruity
Effects:
Caryophyllene
0.4%
Flavor Profile:
Spicy, peppery, woody
Effects:
Ocimene
0.36%
Flavor Profile:
Sweet, herbaceous, woody
Effects:
Humulene
0.27%
Flavor Profile:
Hoppy, woody, earthy
Effects:
Limonene
0.27%
Flavor Profile:
Citrus, lemon, orange
Effects:
Appearance
Deep forest green · Emerald green
Color Palette
Texture
Medium to dense bud structure with substantial resin production and frosted crystalline appearance indicating high cannabinoid content
Crystal Density
high
Heavy frost coating
Chemistry & Research
Medical Effects
8 reported therapeutic uses on file
Medical Effect Sources
- 1 Deadlights Weed Strain Information leafly.com(opens in new tab)
- 2 Deadlights Marijuana Strain, AKA Tangerine Kush leafwell.com(opens in new tab)
- 3 Deadlights (SubCool's The Dank) :: Cannabis Strain Info seedfinder.eu(opens in new tab)
- 4 Deadlights Strain Complete Information askgrowers.com(opens in new tab)
- 5 Deadlights Strain Seeds firestyleseeds.com(opens in new tab)
- 6 Team Terpene and Deadlights by Phil Sullivan & Subcool weedworldmagazine.org(opens in new tab)
6 verified sources
Mental Effects
- •Anxiety Relief
Reduces anxiety and promotes mental calm
- •Stress Reduction
Alleviates stress without heavy sedation effects
- •Depression Management
Helps improve mood and emotional well-being
- •Sleep Support
Promotes relaxation and helps with insomnia
Professor High visualization
Body Effects
- •Pain Relief
Reduces chronic pain and localized discomfort
- •Inflammation Reduction
Decreases inflammation throughout the body
- •Muscle Spasm Relief
Eases muscle tension and spasming
- •Arthritis Management
Helps with arthritis pain and joint discomfort
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 Deadlights?
Deadlights is a hybrid cannabis strain containing up to 13.4% 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 0.65-13.38% · Type II 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.
Both THC and CBD present (5-15% each) - Medical/wellness focused
Using It Well
Consumption Methods
Vaping · Smoking · Tinctures
Recommended Methods
Side Effects
Dry Mouth · Dry Eyes · +1 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
ACDC × Pennywise · bred by SubCool's The Dank / TGA Subcool Seeds / Norstar Genetics
Lineage Sources
- 1 Deadlights Weed Strain Information leafly.com(opens in new tab)
- 2 Deadlights - Strain Information - CannaConnection cannaconnection.com(opens in new tab)
- 3 Deadlights (SubCool's The Dank) :: Cannabis Strain Info seedfinder.eu(opens in new tab)
- 4 Deadlights Strain Complete Information askgrowers.com(opens in new tab)
- 5 Deadlights Strain Seeds firestyleseeds.com(opens in new tab)
- 6 Team Terpene and Deadlights by Phil Sullivan & Subcool weedworldmagazine.org(opens in new tab)
- 7 Buy Deadlights CBD regular seeds by TGA Subcool Seeds / SubCool’s The Dank herbiesheadshop.com(opens in new tab)
- 8 Deadlights, Seattle Chronic Seeds grow diary (journal) by ElGalloBlanco - GrowDiaries growdiaries.com(opens in new tab)
8 verified sources
Deadlights is a sativa-dominant hybrid cross primarily between ACDC (or Cannatonic) and Pennywise, with some sources citing Charlotte's Web and Harlequin as parent genetics. Bred by SubCool's The Dank / TGA Subcool Seeds and Norstar Genetics.
Origin Timeline
First cultivated in 2010
Breeder
SubCool's The Dank / TGA Subcool Seeds / Norstar Genetics
Seed Bank
SubCool's The Dank
The Full Story
Detailed Description
The long-form profile · ~4 min read
Introduction to Deadlights
Deadlights stands out as a remarkable high-CBD, low-THC hybrid that has earned its reputation as a premier therapeutic strain in the cannabis world. Bred by the legendary SubCool's The Dank (TGA Subcool Seeds) in collaboration with Norstar Genetics, this 65% sativa-dominant hybrid represents the pinnacle of medicinal cannabis breeding. Named after the cosmic horror entities from Stephen King's "It," Deadlights delivers anything but terror—instead offering profound pain relief, mental clarity, and therapeutic calm without the overwhelming psychoactive effects of traditional cannabis strains.
🧬 Genetic Heritage & Lineage
The genetics behind Deadlights tell a story of purposeful medicinal breeding. This strain emerged from crossing ACDC (or Cannatonic) with Pennywise, two powerhouse CBD strains that have revolutionized medical cannabis. Some phenotypes also incorporate genetics from Charlotte's Web and Harlequin, creating a truly elite CBD-dominant profile. The breeding work occurred during the 2010s CBD revolution, when breeders like SubCool recognized the immense therapeutic potential of high-CBD cultivars.
ACDC brings its characteristic 20:1 CBD-to-THC ratio, while Pennywise contributes balanced cannabinoid profiles and robust terpene production. This genetic combination creates a strain classified as Type III (CBD-dominant), with CBD levels ranging from 9.66% to 20% and THC content remaining exceptionally low at 0.65% to 13.38%, making it ideal for users seeking therapeutic benefits without significant intoxication.
👃 Terpene Profile & Aromatics
Deadlights showcases a sophisticated terpene profile dominated by Myrcene (0.5%), the sedating, body-focused terpene that contributes to the strain's renowned relaxation properties. The secondary terpenes create remarkable aromatic complexity: Caryophyllene (0.4%) adds spicy, peppery notes while activating CB2 receptors for anti-inflammatory effects, Ocimene (0.36%) brings herbaceous, floral undertones, Limonene (0.27%) contributes citrus brightness and mood elevation, and Humulene (0.27%) rounds out the profile with earthy, woody characteristics.
The total terpene content of 1.8% creates an aromatic experience that's both complex and inviting. You'll first notice the sweet, earthy foundation reminiscent of fresh forest floor after rain. As you explore deeper, sandalwood and pine emerge alongside surprising fruity notes—think blackberry, raspberry, and peach. Some phenotypes express licorice and berry characteristics, while others lean into woody, spicy territories with hints of floral sweetness.
👅 Flavor Experience
The flavor journey of Deadlights mirrors its aromatic complexity but with distinctive depth. On the initial inhale, you'll taste sweet earthiness combined with pine and berry notes. The mid-palate develops into sandalwood richness accented by spicy, musky undertones and occasional licorice sweetness. The exhale leaves a memorable impression of fruity sweetness—particularly raspberry and blackberry—balanced against earthy, woody base notes. The high myrcene content creates a smooth, almost velvety mouthfeel that makes consumption particularly pleasant.
🎯 Effects & Experience
Deadlights delivers a uniquely therapeutic experience characterized by profound relaxation without heavy sedation. The effects typically begin within 5-10 minutes of consumption, starting with a gentle wave of mental clarity and focused calm. Unlike high-THC strains, you'll remain clear-headed and functional while experiencing significant stress reduction and anxiety relief.
The peak effects (30-60 minutes) bring full-body relaxation, euphoric uplift, and a sense of happiness that doesn't compromise cognitive function. Physical sensations include muscle tension release, pain reduction, and a calming body warmth attributed to the synergistic action of CBD and myrcene. The duration extends 2-4 hours, with effects gradually tapering into a peaceful, settled state ideal for evening relaxation or nighttime sleep support.
💚 Medical & Therapeutic Potential
Deadlights excels as a medical powerhouse with well-documented therapeutic applications. The high CBD content and supportive terpene profile may help with chronic pain management, inflammation reduction, arthritis relief, and muscle spasm control. The CBD-to-THC ratio makes it particularly effective for conditions requiring non-intoxicating relief.
For mental wellness, Deadlights may help manage anxiety disorders, stress-related conditions, depression, and insomnia without the paranoia or anxiety some users experience with high-THC strains. The anti-inflammatory properties of caryophyllene and humulene complement CBD's natural anti-inflammatory mechanisms, creating synergistic therapeutic effects.
👁️ Visual Characteristics
Deadlights produces visually appealing buds with medium to dense structure. Expect deep forest green coloring accented by purple undertones in cooler-grown phenotypes. Vibrant orange to rust-colored pistils wind throughout the flowers, creating beautiful contrast. The trichome coverage ranges from high to very high, giving buds a frosted, crystalline appearance that reflects the strain's substantial cannabinoid content. The resinous texture and compact bud structure indicate quality cultivation.
⚠️ Consumer Considerations
Deadlights suits all experience levels, from cannabis newcomers to seasoned consumers seeking therapeutic relief without heavy intoxication. The low THC content makes it particularly appropriate for daytime use, work-related consumption, or situations requiring mental clarity. Best consumed during evening or nighttime for maximum relaxation benefits, though the functional effects allow for anytime use depending on individual tolerance and desired outcomes.
Potential side effects remain minimal and mild, typically limited to dry mouth and dry eyes. The low THC ensures anxiety and paranoia risks remain extremely low, making this an excellent choice for anxiety-prone individuals or those new to cannabis therapeutics.
Research Methodology
How we compiled this strain profile
This strain profile was compiled from 13 published sources covering 'Deadlights'. 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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