Jack 47
aka J47
Jack 47 is a sativa-dominant hybrid (75/25) from Sweet Seeds that unites Jack Herer's cerebral clarity with AK-47's euphoric power. With 18-24% THC and a limonene-rich terpene profile, this award-winning strain delivers uplifting mental energy balanced by gentle physical relaxation. Expect bright lemon-citrus flavors, pine aromatics, and effects that enhance creativity, focus, and social connection without overwhelming sedation. Perfect for daytime activities, creative work, or unwinding with friends while maintaining mental sharpness.
The Short Answer
What kind of high is Jack 47?
Limonene-led and sweet-lemon on the palate, most often reported happy and picked for watching tv/movies.
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 →- Anxiety reduction
- Mood elevation
- Stress relief
- Myrcene Earthy, musky, fruity
- 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
- Relaxed
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
- Pine
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
- Pine
- Best Time anytime
- Era 2000
- 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 Jack 47
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 Jack 47's smoke fills my lungs, I feel this electric wave of clarity washing through my mind—it's like someone just turned up the brightness and contrast on my thoughts. Within minutes, I'm experiencing this fascinating duality: my brain is firing on all cylinders with sharp focus and creative connections, yet there's this underlying sense of calm confidence that keeps everything grounded. The limonene is doing its magic here—I can feel that citrus-driven mood elevation making everything seem more vibrant and interesting. What's remarkable is how the myrcene provides just enough physical ease to prevent any jittery overstimulation. I'm productive yet relaxed, energized yet centered, creative yet focused. It's the kind of high where you can tackle complex projects or have deeply engaging conversations, and both feel equally natural. The body sensation is this gentle, warm embrace that supports rather than sedates, allowing full mobility and mental agility. This is sophisticated cannabis chemistry at work—a perfectly calibrated balance of terpenes and cannabinoids creating what I'd call an intelligently euphoric experience.
Effects Profile
Happy · Euphoric · Relaxed
Best enjoyed during anytime
Balanced for any time of day
Best For
Watching TV/Movies · Conversations · Work
Effect Sources
- 1 Jack 47 by Sweet Seeds: A Comprehensive Strain Guide - Blog - JointCommerce app.jointcommerce.com(opens in new tab)
- 2 Jack 47 (Sweet Seeds) feminized zamnesia.com(opens in new tab)
- 3 Jack 47 | Sweet Seeds canabiseeds.com(opens in new tab)
- 4 Jack 47® - Sweet Seeds® sweetseeds.com(opens in new tab)
- 5 Jack 47 Marijuana Strain Information & Reviews allbud.com(opens in new tab)
- 6 Jack 47 (Sweet Seeds) :: Cannabis Strain Info :: SeedFinder.eu seedfinder.eu(opens in new tab)
- 7 Jack 47 | Feminized Marijuana Seeds semillas-de-marihuana.com(opens in new tab)
- 8 Jack 47 amsterdamseedcenter.com(opens in new tab)
- 9 Jack 47 Strain, Weed Strain Review, Cannabis Info 2021 strain-review.com(opens in new tab)
- 10 Jack 47 Strain - Hybrid Cannabis Review, 24.0% THC,1.0 ... hytiva.com(opens in new tab)
- 11 Jack 47 Autoflowering - Strain Information - CannaConnection cannaconnection.com(opens in new tab)
11 verified sources
Look, Aroma & Taste
Aroma & Flavor
Citrus · Sweet · Earthy
Aroma & Flavor Sources
- 1 Jack 47 by Sweet Seeds: A Comprehensive Strain Guide - Blog - JointCommerce app.jointcommerce.com(opens in new tab)
- 2 Jack 47 (Sweet Seeds) feminized zamnesia.com(opens in new tab)
- 3 Jack 47 | Sweet Seeds canabiseeds.com(opens in new tab)
- 4 Jack 47® - Sweet Seeds® sweetseeds.com(opens in new tab)
- 5 Jack 47 Marijuana Strain Information & Reviews allbud.com(opens in new tab)
- 6 Jack 47 (Sweet Seeds) :: Cannabis Strain Info :: SeedFinder.eu seedfinder.eu(opens in new tab)
- 7 Jack 47 | Feminized Marijuana Seeds semillas-de-marihuana.com(opens in new tab)
- 8 Jack 47 - Sweet Seeds cannabis-seeds-bank.co.uk(opens in new tab)
- 9 Jack 47 amsterdamseedcenter.com(opens in new tab)
- 10 Jack 47 Strain, Weed Strain Review, Cannabis Info 2021 strain-review.com(opens in new tab)
- 11 Jack 47 Strain - Hybrid Cannabis Review, 24.0% THC,1.0 ... hytiva.com(opens in new tab)
- 12 Jack 47 Autoflowering - Strain Information - CannaConnection cannaconnection.com(opens in new tab)
12 verified sources
Aromas
Flavors
Terpene Profile
Limonene leads · 10 terpenes mapped
Terpene Sources
- 1 Jack 47 by Sweet Seeds: A Comprehensive Strain Guide - Blog - JointCommerce app.jointcommerce.com(opens in new tab)
- 2 Jack 47 (Sweet Seeds) feminized zamnesia.com(opens in new tab)
- 3 Jack 47 | Sweet Seeds canabiseeds.com(opens in new tab)
- 4 Jack 47 Marijuana Strain Information & Reviews allbud.com(opens in new tab)
- 5 Jack 47 (Sweet Seeds) :: Cannabis Strain Info :: SeedFinder.eu seedfinder.eu(opens in new tab)
- 6 Jack 47 | Feminized Marijuana Seeds semillas-de-marihuana.com(opens in new tab)
- 7 Jack 47 Strain - Hybrid Cannabis Review, 24.0% THC,1.0 ... hytiva.com(opens in new tab)
- 8 Jack 47 Autoflowering - Strain Information - CannaConnection cannaconnection.com(opens in new tab)
8 verified sources
Terpene Distribution
Terpene profile: Limonene 0.8%, Myrcene 0.6%, Ocimene 0.3%, Caryophyllene 0.2%, Pinene 0.2% .
Limonene Dominant
Flavor: Citrus, lemon, orange
Myrcene
Flavor: Earthy, musky, fruity
Ocimene
Flavor: Sweet, herbaceous, woody
Caryophyllene
Flavor: Spicy, peppery, woody
Pinene
Flavor: Pine, fresh forest
Full Profile
Limonene
0.85%
Flavor Profile:
Citrus, lemon, orange
Effects:
Myrcene
0.55%
Flavor Profile:
Earthy, musky, fruity
Effects:
Ocimene
0.3%
Flavor Profile:
Sweet, herbaceous, woody
Effects:
Caryophyllene
0.2%
Flavor Profile:
Spicy, peppery, woody
Effects:
Pinene
0.2%
Flavor Profile:
Pine, fresh forest
Effects:
Linalool
Not lab-measured
Flavor Profile:
Floral, lavender, sweet
Effects:
Humulene
Not lab-measured
Flavor Profile:
Hoppy, woody, earthy
Effects:
Terpinolene
Not lab-measured
Flavor Profile:
Fresh, piney, floral, citrus
Effects:
Nerolidol
Not lab-measured
Flavor Profile:
Woody, fresh bark, floral
Effects:
Bisabolol
Not lab-measured
Flavor Profile:
Sweet, floral, honey
Effects:
Appearance
Deep forest green · Lime green
Color Palette
Texture
Dense, resinous buds with medium to large-sized colas displaying classic Christmas tree structure. The flowers are notably sticky to the touch due to heavy trichome coverage and exhibit tight, well-formed calyxes.
Crystal Density
very high
Exceptional crystal coverage
Chemistry & Research
Medical Effects
8 reported therapeutic uses on file
Medical Effect Sources
- 1 Jack 47 by Sweet Seeds: A Comprehensive Strain Guide - Blog - JointCommerce app.jointcommerce.com(opens in new tab)
- 2 Jack 47 (Sweet Seeds) feminized zamnesia.com(opens in new tab)
- 3 Jack 47® - Sweet Seeds® sweetseeds.com(opens in new tab)
- 4 Jack 47 | Feminized Marijuana Seeds semillas-de-marihuana.com(opens in new tab)
- 5 Jack 47 amsterdamseedcenter.com(opens in new tab)
- 6 Jack 47 Strain - Hybrid Cannabis Review, 24.0% THC,1.0 ... hytiva.com(opens in new tab)
- 7 Jack 47 Autoflowering - Strain Information - CannaConnection cannaconnection.com(opens in new tab)
7 verified sources
Mental Effects
- •Stress Relief
Calms mental tension and racing thoughts effectively
- •Depression Management
Elevates mood and promotes positive emotional states
- •Anxiety Reduction
Alleviates anxiety symptoms with uplifting effects
- •ADHD Support
Enhances focus and mental clarity for concentration
Professor High visualization
Body Effects
- •Pain Management
Reduces chronic pain and muscle tension significantly
- •Appetite Stimulation
Increases appetite and combats anorexia symptoms
- •Anti-Inflammatory
Reduces inflammation throughout body tissues
- •Seizure Control
May help manage seizures and epilepsy symptoms
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 Jack 47?
Jack 47 is a hybrid cannabis strain containing up to 24.0% THC, with a terpene profile dominated by Limonene and Myrcene. 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 18-24% · 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
Vaping · Smoking · Edibles
Recommended Methods
Side Effects
Dry Mouth · Dry Eyes · +2 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
Jack Herer × AK-47 · bred by Sweet Seeds
Lineage Sources
- 1 Jack 47 by Sweet Seeds: A Comprehensive Strain Guide - Blog - JointCommerce app.jointcommerce.com(opens in new tab)
- 2 Jack 47 (Sweet Seeds) feminized zamnesia.com(opens in new tab)
- 3 Jack 47 | Sweet Seeds canabiseeds.com(opens in new tab)
- 4 Jack 47® - Sweet Seeds® sweetseeds.com(opens in new tab)
- 5 Jack 47 Marijuana Strain Information & Reviews allbud.com(opens in new tab)
- 6 Jack 47 (Sweet Seeds) :: Cannabis Strain Info :: SeedFinder.eu seedfinder.eu(opens in new tab)
- 7 Jack 47 | Feminized Marijuana Seeds semillas-de-marihuana.com(opens in new tab)
- 8 Jack 47 - Sweet Seeds cannabis-seeds-bank.co.uk(opens in new tab)
- 9 Jack 47 amsterdamseedcenter.com(opens in new tab)
- 10 Jack 47 Strain, Weed Strain Review, Cannabis Info 2021 strain-review.com(opens in new tab)
- 11 Jack 47 Strain ilovegrowingmarijuana.com(opens in new tab)
- 12 Jack 47 Strain - Hybrid Cannabis Review, 24.0% THC,1.0 ... hytiva.com(opens in new tab)
- 13 Jack 47 Autoflowering - Strain Information - CannaConnection cannaconnection.com(opens in new tab)
13 verified sources
A hybrid cross between Jack Herer and AK-47, created by Sweet Seeds. The strain is sativa-dominant with a 75% sativa to 25% indica ratio.
Genetics
Origin Timeline
First cultivated in 2000
Breeder
Sweet Seeds
Seed Bank
Sweet Seeds
Awards & Recognition
2 awards & mentions
Notable Mentions
The Full Story
Detailed Description
The long-form profile · ~5 min read
Introduction
Jack 47 stands as a masterful fusion of two cannabis legends—Jack Herer and AK-47—crafted by the renowned Spanish breeders at Sweet Seeds. This sativa-dominant hybrid (75% sativa / 25% indica) has earned its reputation as a powerhouse strain that delivers an electrifying cerebral experience wrapped in smooth relaxation. Since its creation around the year 2000, Jack 47 has collected multiple awards and garnered a devoted following among both recreational enthusiasts and medical patients seeking balanced, potent relief. With THC levels ranging from 18-24% and a modest CBD content of 1-2%, this strain offers a sophisticated high that's as mentally stimulating as it is physically soothing.
🧬 Genetic Heritage & Lineage
The genius of Jack 47 lies in its exceptional parentage. By crossing the cerebral, uplifting Jack Herer—itself a tribute to the legendary cannabis activist—with the resilient, euphoric AK-47, Sweet Seeds created a strain that inherits the best qualities of both lineages. Jack Herer contributes sharp mental clarity, creative energy, and a piney, herbal character, while AK-47 adds earthy sweetness, powerful euphoria, and impressive resin production. This combination results in a strain that's both mentally invigorating and physically relaxing, making it versatile enough for various times of day. Sweet Seeds has refined Jack 47 over two decades, developing multiple versions including autoflowering and fast-flowering variants that maintain the original's excellence.
👃 Terpene Profile & Aromatics
Jack 47's complex aroma profile is driven by an impressive terpene composition totaling approximately 2.45%. Limonene dominates at 0.85%, delivering bright citrus notes that immediately awaken your senses with zesty lemon and sweet orange undertones. Myrcene follows at 0.55%, adding earthy, herbal depth and contributing to the strain's relaxing body effects. Supporting players include Caryophyllene (0.2%) with its spicy, peppery kick, Pinene (0.2%) offering fresh pine forest aromatics, and Ocimene (0.3%) adding sweet, floral complexity.
When you first encounter Jack 47, you'll notice an immediate burst of sweet citrus—think freshly peeled lemons and tangerines. As you break apart the buds, deeper layers emerge: earthy pine, herbal spice, and subtle incense-like notes. Some phenotypes reveal a distinctive chemical or fuel-like undertone inherited from AK-47, adding an intriguing sharpness to the overall bouquet. The aroma is both invigorating and comforting, promising the balanced effects to come.
👅 Flavor Experience
The flavor journey of Jack 47 is equally captivating. On the initial inhale, you'll taste pronounced lemon-citrus brightness with sweet, candy-like qualities that coat your palate. The mid-palate reveals more complexity: herbal pine, spicy pepper, and a smooth sweetness reminiscent of honey or vanilla. As you exhale, the flavors evolve into earthy, slightly woody notes with lingering citrus zest and that characteristic chemical tang that adds personality to the experience. Some users detect tropical fruit nuances—hints of mango or tangerine—especially in later harvested phenotypes. The smoke is generally smooth, though the spicy terpenes may produce a slight throat tickle.
🎯 Effects & Experience
Jack 47 delivers a fast-acting, euphoric high that begins within minutes of consumption. You'll first notice a rush of cerebral energy—your thoughts become clearer, creativity flows freely, and conversation comes easily. This mental uplift is accompanied by a sense of happiness and euphoria that can inspire giggles and social connection. Despite its sativa dominance, Jack 47 doesn't leave you overly wired; instead, you'll experience focused energy that's perfect for productive tasks or creative projects.
As the high develops (typically peaking around 30-45 minutes), a gentle body relaxation settles in, courtesy of the myrcene and indica genetics. This physical calm doesn't lead to couch-lock but rather provides a comfortable, grounded sensation that balances the mental stimulation. The effects typically last 2-3 hours, gradually tapering into a mellow, content state. Users report feeling motivated yet relaxed, energetic yet calm—a paradoxical balance that makes Jack 47 remarkably versatile.
🎮 Use Cases & Activities
Jack 47's balanced effect profile makes it suitable for anytime use, though many prefer it for daytime and early evening activities. It excels during creative projects—writing, painting, music production—where its focus-enhancing and imagination-boosting properties shine. The strain's social and talkative qualities make it ideal for gatherings, dinner parties, or deep conversations with friends. If you need to tackle focus work that requires sustained attention without sedation, Jack 47 delivers admirably. It's also excellent for daytime adventures, outdoor activities, or simply enjoying a beautiful afternoon with enhanced sensory perception.
💚 Medical & Therapeutic Potential
Medical patients appreciate Jack 47 for its wide-ranging therapeutic potential. The strain may help manage depression through its powerful mood-elevating effects driven by limonene. Stress and anxiety often respond well to the calming yet uplifting experience, though those prone to anxiety should start with lower doses. The combination of mental clarity and physical relaxation may assist with ADHD symptoms and improve focus. For physical concerns, Jack 47's anti-inflammatory terpenes (caryophyllene, humulene) may help reduce chronic pain and inflammation, while its appetite-stimulating properties can combat anorexia or appetite loss. Some patients report relief from muscle spasms and seizures, though more research is needed in these areas.
👁️ Visual Characteristics
Jack 47 produces visually stunning buds characterized by dense, resinous structure and vibrant coloration. Expect medium to large-sized colas with a classic Christmas tree shape. The primary colors range from deep forest green to lime green, often accented by purple undertones in cooler growing conditions. Fiery orange-to-rust colored pistils wind throughout the flowers, creating striking contrast against the green backdrop. The most impressive feature is the heavy trichome coverage—these buds shimmer with a thick layer of amber and crystal-white resin glands that speak to the strain's potency and make it slightly sticky to the touch.
🏆 Awards & Recognition
Sweet Seeds' Jack 47 has earned considerable recognition in the cannabis community, collecting five awards from various competitions according to the breeder. While specific competition details vary, the strain consistently appears in "Top Jack Herer Hybrid" lists and earned notable mention in Cannaconnection's 2023 rankings. Its reputation extends beyond formal competitions—Jack 47 is widely available in dispensaries across legal markets and remains one of Sweet Seeds' flagship offerings, testament to its enduring popularity and quality.
📜 Cultural Context & Consumer Considerations
Jack 47 appeals to a broad spectrum of cannabis enthusiasts—from novices seeking a manageable introduction to potent hybrids, to experienced users who appreciate sophisticated terpene profiles and balanced effects. The strain's versatility means it suits various consumption preferences and occasions. However, with THC levels reaching 24%, newcomers should start low and go slow, perhaps beginning with a single inhalation and waiting 15 minutes to assess effects. Common side effects include dry mouth and dry eyes (easily managed with hydration and eye drops), while some users may experience mild dizziness or anxiety at higher doses. Overall, Jack 47 represents a modern cannabis classic that honors its legendary lineage while offering a uniquely enjoyable experience.
Research Methodology
How we compiled this strain profile
This strain profile was compiled from 17 published sources covering 'Jack 47'. 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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