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.

High Family
Entourage High
Full Entourage Effect
🔥 THC-Dominant
Dominant Terpenes
Limonene
Smells Citrus, lemon, orange
  • 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.

How It Feels
Happy
  • Euphoric
  • Relaxed
Best For
Tastes Like
Sweet lemon
  • Citrus
  • Pine
Smells Like
Earthy citrus
  • 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 →

Strain Highlights

Key insights at a glance

1
Legendary genetics: Jack Herer × AK-47 creates perfectly balanced sativa-dominant euphoria
2
Limonene-dominant profile delivers mood-lifting citrus flavors with pine and spice complexity
3
Focused mental energy meets gentle body relaxation—productive creativity without couch-lock
4
Medical powerhouse: may help manage depression, stress, chronic pain, and inflammation effectively

The Experience

Professor High Avatar

Professor High Says...

In-depth strain breakdown from Professor High, our AI cannabis expert

4.5 / 5 Rated 4.5 out of 5 by Professor High

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.

Sativa-Dominant Hybrid
Limonene Forward
anytime Use

Effects Profile

Happy · Euphoric · Relaxed
Happy Euphoric Relaxed Uplifted Energetic

Best enjoyed during anytime

Balanced for any time of day

Best For

Watching TV/Movies · Conversations · Work

Look, Aroma & Taste

Aroma & Flavor

Citrus · Sweet · Earthy

Aromas

Citrus
Sweet
Earthy
Pine

Flavors

Lemon
Citrus
Sweet
Pine

Terpene Profile

Limonene leads · 10 terpenes mapped
Total Terpene Content: 2.10% (High)

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

Anxiety reduction Mood elevation Stress relief

Myrcene

Flavor: Earthy, musky, fruity

Sedating Muscle relaxant Anti-inflammatory

Ocimene

Flavor: Sweet, herbaceous, woody

Antiviral Antifungal Decongestant

Caryophyllene

Flavor: Spicy, peppery, woody

Anti-inflammatory Pain relief Anti-anxiety

Pinene

Flavor: Pine, fresh forest

Alertness Memory retention Bronchodilator

Appearance

Deep forest green · Lime green

Color Palette

deep forest green
lime green
purple undertones
fiery orange pistils
rust-colored hairs
amber trichomes
crystal-white resin

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

Mental Effects

60 %
  • 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

40 %
  • 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.

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.

Type I THC-Dominant

High THC (>15%), low CBD (<1%) - Most common recreational strains

Reported THC Range
18-24%

Using It Well

Consumption Methods

Vaping · Smoking · Edibles

Recommended Methods

Vaping
Smoking
Edibles
Concentrates
Tinctures

Side Effects

Dry Mouth · Dry Eyes · +2 more

Side effects vary by individual. Start low, go slow. Consult a healthcare professional with concerns.

Dry Mouth
Dry Eyes
Dizziness
Anxiety

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

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.

Origin Timeline

First cultivated in 2000

Breeder

Sweet Seeds

Seed Bank

Sweet Seeds

Awards & Recognition

2 awards & 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

73%
Data Confidence

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

Terpenes Low (8 sources)
Effects Low (11 sources)
Lineage Medium (13 sources)
Medical Low (7 sources)
Aromas Low (12 sources)
Cannabinoids Low (12 sources)
Last updated: August 14, 2026

Learn more with AI

Open your assistant with a ready-made prompt about Jack 47.

We copy the prompt to your clipboard as you go, so you can paste it if the assistant opens with an empty box. Answers come from the assistant, not from us — always double-check them against this page.

Your stash, decoded.