XJ-13

aka Xj13, XJ1, XJ Thirteen, Government Jack

Award Winner +10 more

Quick Hits

High Family
Energetic High
Rare Energizing Focus
Potency
22% THC
0.5% CBD
Cannabinoid Content
Type Type II
hybrid
Balanced
🌸
Terpene
Terpinolene
Uplifting
Best Time
anytime
Recommended
Era
2012
First cultivated
🌿
Rarity
Common
Market availability

Strain Highlights

Key insights at a glance

1
Terpinolene-dominant profile creates distinctive citrus-pine-vanilla aromatics unlike most strains
2
Perfect 50/50 hybrid balance delivers uplifting creativity with gentle physical relaxation
3
Award-winning genetics from Jack Herer x G-13 Haze by Gage Green Group
4
Exceptional for daytime productivity, creative projects, and social activities without sedation
Professor High Avatar

Professor High Says...

In-depth strain breakdown from our cannabis expert

Exhales slowly Okay, so about three minutes after lighting up this XJ-13, I'm experiencing what I can only describe as cognitive sunshine—my thoughts aren't racing, they're dancing in perfect choreography. The terpinolene is doing its thing, creating this bright, almost effervescent mental clarity that makes me want to create something, write something, do something productive.

What's fascinating is how the euphoria builds in waves—first there's this gentle lifting sensation behind the eyes, then my whole perspective shifts toward optimism and possibility. I'm feeling conversational, like every topic is genuinely interesting, every idea worth exploring. The caryophyllene is clearly contributing too because there's this subtle spicy warmth spreading through my shoulders and back—not sedating at all, just releasing tension I didn't know I was carrying.

The energy is real but refined—I could absolutely tackle a creative project right now, have a deep conversation, or dive into focus work. This isn't jittery or anxious energy; it's purposeful motivation with mental clarity intact. My body feels light and comfortable, like I could move easily but I'm also content sitting here appreciating how perfectly this strain balances cerebral stimulation with physical ease. This is textbook functional daytime cannabis—you stay present, engaged, and genuinely enhanced.

Hybrid
Terpinolene Forward
anytime Use

Effects Profile

Uplifted Euphoric Creative Energetic Focused Happy Relaxed Talkative

Best enjoyed during anytime

Balanced for any time of day

Aromas

Citrus
Pine
Earthy
Floral
Pungent
Vanilla

Flavors

Citrus
Lemon
Lime
Pine
Sugar
Vanilla
Tangerine
Pineapple

Cannabinoid Profile

Type II Balanced

Both THC and CBD present (5-15% each) - Medical/wellness focused

THC Range
16-28.09%

Mental Effects

60 %
  • Anxiety Relief

    Reduces anxious thoughts and promotes calm focus

  • Depression Management

    Elevates mood and alleviates depressive symptoms

  • Stress Relief

    Calms stress responses without heavy sedation

  • ADHD Support

    Enhances focus and mental clarity for concentration

Professor High visualization

Body Effects

40 %
  • Pain Management

    Reduces chronic pain and muscle tension effectively

  • Sleep Aid

    Promotes relaxation and helps with insomnia onset

  • Appetite Stimulation

    Increases appetite for those with loss of appetite

  • Migraine Relief

    Alleviates headaches and migraine symptoms

  • Muscle Spasm Relief

    Reduces muscle spasms and related tension

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.

XJ-13 is a hybrid strain resulting from the cross of Jack Herer and G-13 Haze, known for sativa-dominant characteristics with balanced effects.

Genetics

Jack Herer × G-13 Haze

Origin Timeline

First cultivated in 2012

Breeder

Gage Green Group

Seed Bank

Universally Seeded

Consumption Methods

Recommended Methods

💨 Vaping
🔥 Smoking
💎 Concentrates
💧 Tinctures

Side Effects

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

💧 Dry Mouth
👁️ Dry Eyes
😰 Anxiety
😰 Paranoia
⚠️ Dizziness

These are commonly reported effects. Individual experiences may vary based on dosage, tolerance, and consumption method.

Competition Wins

1st Place Indoor Flower

Farmers Cup 2023
View Source ↗

1st Place Non-Infused Pre-Roll - Unicornz

Farmers Cup 2023
View Source ↗

Best Concentrate

High Times Cannabis Cup 2014

Best Concentrate

View Source ↗

Best Concentrate

High Times 2014

Best Concentrate

View Source ↗

2x High Times Cannabis Cup Winner

High Times Cannabis Cup
View Source ↗

Best of Secret Sesh Winner

Secret Sesh
View Source ↗

Blazer’s Cup Winner

Blazer’s Cup
View Source ↗

8x Award Winner

Farmers Cup
View Source ↗

Publication Awards

Best Pre-Roll in California

Weedmaps 2023
View Source ↗

Best Pre-Roll in California

LA Weekly 2022
View Source ↗

Leaflink’s Best-Selling Flower in California

Leaflink 2019
View Source ↗

Detailed Description

Introduction

XJ-13 stands as one of the most celebrated and award-winning hybrid strains in modern cannabis culture, representing a masterful fusion of two legendary genetics. This balanced 50/50 hybrid delivers an exceptional experience that combines uplifting cerebral stimulation with gentle physical relaxation, making it a versatile choice for consumers seeking creative energy without overwhelming intensity. With THC levels ranging from 16% to 28%, XJ-13 offers potency that satisfies both novice and experienced users, while its distinctive terpinolene-dominant profile creates an aromatic experience unlike most cannabis strains.

🧬 Genetic Heritage & Lineage

XJ-13 was expertly bred by Gage Green Group in the early 2010s, combining two powerhouse sativa-dominant strains: Jack Herer and G-13 Haze. Jack Herer brings its renowned uplifting effects and complex terpene profile, while G-13 Haze contributes cerebral clarity and energetic stimulation. This genetic pairing creates a hybrid that leans slightly sativa in its effects profile while maintaining perfect indica/sativa balance in its structure. The strain has earned numerous nicknames including XJ13, XJ Thirteen, and Government Jack, reflecting its widespread popularity and cult status among cannabis enthusiasts.

👃 Terpene Profile & Aromatics

What sets XJ-13 apart is its extraordinary terpinolene-dominant profile, with this uplifting terpene comprising approximately 0.74% of the total terpene content—making it the clear star of the aromatic show. Caryophyllene follows at 0.41%, contributing spicy, peppery notes and potential anti-inflammatory benefits, while alpha-humulene at 0.118% adds earthy, woody undertones. The total terpene content reaches an impressive 1.6%, creating a complex aromatic bouquet.

The aroma experience opens with bright citrus notes—think fresh lemon and lime zest—immediately followed by sharp pine that evokes walking through a forest after rain. Underlying these primary notes, you'll detect earthy undertones with subtle floral nuances and unexpected hints of sweet vanilla. The pungent, almost tangerine-like quality becomes more apparent as you break apart the buds, releasing waves of terpinolene's characteristic fresh, herbaceous aroma.

👅 Flavor Experience

The flavor journey of XJ-13 mirrors its aromatic complexity while adding new dimensions. On the inhale, you'll taste vibrant citrus—specifically lemon and lime—dancing across your palate with sweet pine notes. Mid-palate, the flavor deepens with earthy richness and surprising vanilla sweetness that balances the sharper citrus tones. Some phenotypes express tangerine and pineapple tropical notes that add fruity complexity. The exhale leaves a clean, piney finish with lingering sweet citrus that makes you anticipate the next hit.

🎯 Effects & Experience

XJ-13 delivers a fast-acting onset within 5-10 minutes, beginning with a euphoric cerebral rush that lifts your mood and sharpens mental clarity. You'll notice enhanced creativity and improved focus, making this strain exceptional for daytime productivity and artistic endeavors. The energetic effects promote talkativeness and social engagement without racing thoughts or anxiety.

As the experience progresses (15-30 minutes in), gentle physical relaxation spreads through your body—never sedating, but rather releasing tension and promoting comfort. The balanced hybrid nature means you remain functional and motivated while enjoying stress relief. Effects typically peak around 45-60 minutes and gradually taper over 2-3 hours, making this ideal for activities requiring sustained mental engagement.

🎮 Use Cases & Activities

XJ-13's versatile effects profile makes it perfect for creative projects—writing, painting, music production, or any artistic pursuit benefits from its cerebral stimulation. The strain excels during social activities and conversations, enhancing verbal fluency and interpersonal connection. Many users report it's ideal for daytime focus work, helping with tasks requiring concentration without the fog or heaviness of indica-dominant strains. It also pairs beautifully with mood elevation activities and light physical movement.

💚 Medical & Therapeutic Potential

The terpinolene and caryophyllene combination may help manage anxiety, depression, and stress by promoting calm focus without sedation. The uplifting mental effects make XJ-13 particularly suitable for ADHD support and mood disorders. Caryophyllene's CB2 receptor activation may provide pain relief and anti-inflammatory benefits for chronic pain, migraines, and muscle tension. Some users find it helpful for appetite stimulation and managing insomnia when used in higher doses during evening hours.

👁️ Visual Characteristics

XJ-13 buds display deep forest green coloration with occasional purple undertones in cooler growing conditions. The flowers are densely packed and medium to large in size, covered in a thick blanket of amber and milky-white trichomes that give them a frosted appearance. Bright orange to rust-colored pistils curl throughout the bud structure, creating beautiful contrast against the green backdrop. The crystal density rates as very high, with resinous trichome coverage that makes the buds sticky to touch.

🏆 Awards & Recognition

XJ-13's excellence has been recognized with numerous prestigious awards: High Times Cannabis Cup Best Sativa 2012, High Times Cannabis Cup Best Concentrate 2014, Best of Secret Sesh Winner, Blazer's Cup Winner, and Leaflink's Best-Selling Flower in California 2019. More recently, it earned LA Weekly Best Pre-Roll in California 2022, Weedmaps Best Pre-Roll in California 2023, and an impressive 8x Farmers Cup Award Winner including 1st Place Indoor Flower 2023 and 1st Place Non-Infused Pre-Roll 2023.

⚠️ Consumer Considerations

XJ-13 suits users of all experience levels—beginners should start with smaller doses (one or two hits) to gauge tolerance, while experienced consumers can enjoy fuller sessions. Common side effects include dry mouth and dry eyes (stay hydrated), with occasional reports of mild anxiety or paranoia at very high doses. The strain is widely available in dispensaries across legal markets and remains one of the most sought-after hybrids for its reliable, enjoyable effects profile.

Appearance

Color Palette

deep forest green
emerald green
lime green undertones
bright orange pistils
amber trichomes
rust-colored hairs

Texture

Dense, medium to large buds with thick resinous coating and sticky texture from abundant trichome coverage

Crystal Density

very high

Exceptional crystal coverage

Research Methodology

How we compiled this strain profile

89%
Data Confidence

This strain profile was generated by analyzing 18 independent sources mentioning 'XJ-13'. Our research pipeline cross-references multiple databases, lab results, and community reports to synthesize accurate strain data.

Data Quality by Section

Terpenes Medium (14 sources)
Effects Low (19 sources)
Lineage Medium (18 sources)
Medical Low (13 sources)
Aromas Medium (17 sources)
Cannabinoids Low (11 sources)
Last updated: March 14, 2026

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