Sour Tsunami

aka STS, Ferrari, Double Diesel

Sour Tsunami is a groundbreaking high-CBD hybrid (60% Sativa / 40% Indica) bred by Lawrence Ringo, featuring 10-13% CBD and minimal THC. This award-winning strain delivers clear-headed relief with diesel, pine, and citrus flavors, dominated by myrcene and pinene terpenes. Users experience focused relaxation, mood elevation, and significant pain relief without heavy intoxication. Perfect for medical patients seeking therapeutic benefits while maintaining functionality, Sour Tsunami pioneered the modern high-CBD movement and remains ideal for stress, inflammation, seizures, and chronic pain management.

The Short Answer

What kind of high is Sour Tsunami?

Myrcene-led and sweet-diesel on the palate, most often reported relaxed 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
Relaxing High
Deep Body Relaxation
⚖️ Balanced
Dominant Terpenes
myrcene
Smells Earthy, musky, fruity
  • Sedating
  • Muscle relaxant
  • Anti inflammatory
  • pinene Pine, fresh forest
  • terpinolene Fresh, piney, floral, citrus

Ordered by measured share — the exact percentages shift with every batch and cure.

How It Feels
Relaxed
  • Happy
  • Euphoric
Best For
Tastes Like
Sweet diesel
  • Citrus
  • Pine
Smells Like
Earthy diesel
  • Citrus
  • Sweet
  • Best Time anytime
  • 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 →

Strain Highlights

Key insights at a glance

1
Award-winning high-CBD strain with 10-13% CBD and minimal THC for clear-headed therapeutic relief
2
Dominant myrcene and pinene terpenes create diesel, pine, and citrus aromatics with calming yet focused effects
3
Pioneered by legendary breeder Lawrence Ringo specifically for medical applications and seizure management
4
Ideal for pain, inflammation, anxiety, and stress relief while maintaining complete daily functionality

The Experience

Professor High Avatar

Professor High Says...

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

4.6 / 5 Rated 4.6 out of 5 by Professor High

So I just lit up some Sour Tsunami, and what strikes me immediately is how deliberately engineered this experience feels—like someone carefully calibrated the dial between relief and clarity. The onset comes on smooth, no sudden rush, just this gradual awakening where tension I didn't even realize I was holding starts melting away from my shoulders and jaw. My mind feels remarkably lucid—thoughts flow easily without that typical cannabis scatter, almost like someone turned up the contrast on my mental display. There's this gentle euphoria dancing around the edges, enough to lift my mood appreciably without pulling me into introspective spirals.

Physically, I'm experiencing what I'd call functional relaxation—my body feels lighter, more fluid, but I could absolutely handle complex tasks if needed. The high CBD content acts like a therapeutic buffer, allowing the strain's beneficial effects to shine while keeping anxiety completely at bay. What fascinates me scientifically is how the terpene profile complements the cannabinoid ratio: that myrcene provides grounding relaxation, pinene maintains alertness, and terpinolene adds this subtle energetic quality. It's medicinal cannabis at its finest—proof that therapeutic relief doesn't require heavy intoxication. After twenty minutes, I feel balanced, focused, and genuinely comfortable in my own body.

Sativa-Dominant Hybrid
Myrcene Forward
anytime Use

Effects Profile

Relaxed · Happy · Euphoric
Relaxed Happy Euphoric

Best enjoyed during anytime

Balanced for any time of day

Best For

Watching TV/Movies · Focus & Concentration · Socializing

Look, Aroma & Taste

Aroma & Flavor

Diesel · Citrus · Earthy

Aromas

Diesel
Citrus
Earthy
Sweet

Flavors

Diesel
Citrus
Pine
Sweet
Earthy

Terpene Profile

Myrcene leads · 10 terpenes mapped
Total Terpene Content: 2.02% (High)

Terpene Distribution

Terpene profile: Myrcene 0.6%, Pinene 0.4%, Terpinolene 0.3%, Ocimene 0.2%, Caryophyllene 0.1%, Limonene 0.1%, Humulene 0.1%, phellandrene 0.1%, Linalool 0.1%, Valencene 0.0% .

Myrcene

Flavor: Earthy, musky, fruity

Sedating Muscle relaxant Anti-inflammatory

Pinene

Flavor: Pine, fresh forest

Alertness Memory retention Bronchodilator

Terpinolene

Flavor: Fresh, piney, floral, citrus

Uplifting Antioxidant Antibacterial

Ocimene

Flavor: Sweet, herbaceous, woody

Antiviral Antifungal Decongestant

Caryophyllene

Flavor: Spicy, peppery, woody

Anti-inflammatory Pain relief Anti-anxiety

Limonene

Flavor: Citrus, lemon, orange

Anxiety reduction Mood elevation Stress relief

Humulene

Flavor: Hoppy, woody, earthy

Appetite suppressant Anti-inflammatory Antibacterial

phellandrene

Linalool

Flavor: Floral, lavender, sweet

Calming Anti-anxiety Sedative

Valencene

Flavor: Sweet, citrus, orange

Anti-inflammatory Insect repellent Skin protectant

Appearance

Deep forest green · Lime green highlights

Color Palette

deep forest green
lime green highlights
vibrant emerald tones
fiery orange pistils
amber trichomes
rust-colored hairs

Texture

Medium to dense bud structure with tight, resinous formations showcasing hybrid genetics. Properly cured flowers display springy texture with sticky, crystalline resin coating.

Crystal Density

high

Heavy frost coating

Chemistry & Research

Medical Effects

10 reported therapeutic uses on file

Mental Effects

40 %
  • Anxiety Relief

    Reduces worry and promotes calm mental state

  • Stress Reduction

    Alleviates daily stress and tension buildup

  • Mood Elevation

    Enhances mood and promotes sense of well-being

  • Depression Support

    Helps manage depressive symptoms and low mood

Professor High visualization

Body Effects

60 %
  • Pain Management

    Reduces chronic pain and general discomfort

  • Inflammation Reduction

    Decreases inflammation throughout the body

  • Muscle Spasm Relief

    Eases muscle tension and involuntary contractions

  • Seizure Control

    Helps manage seizure disorders and epilepsy

  • Migraine Relief

    Reduces migraine frequency and severity

  • Arthritis Support

    Alleviates arthritis pain and joint inflammation

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 Sour Tsunami?

Sour Tsunami is a hybrid cannabis strain containing up to 10.0% THC, with a terpene profile dominated by Myrcene and Pinene. 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 1-10% · 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.

Type II Balanced

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

Reported THC Range
1-10%

Using It Well

Consumption Methods

Vaping · Smoking · Tinctures

Recommended Methods

Vaping
Smoking
Tinctures
Edibles

Side Effects

Dry Mouth · Dry Eyes · +1 more

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

Dry Mouth
Dry Eyes
Mild Headache

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

Where It Comes From

Lineage & History

Sour Diesel × NYC Diesel · bred by Lawrence Ringo / Southern Humboldt Seed Collective

A sativa-dominant hybrid cross between Sour Diesel and NYC Diesel, created by Lawrence Ringo of the Southern Humboldt Seed Collective. Known for balanced effects and high CBD content.

Origin Timeline

First cultivated in 2010

Breeder

Lawrence Ringo / Southern Humboldt Seed Collective

Seed Bank

Southern Humboldt Seed Collective

The Full Story

Detailed Description

The long-form profile · ~4 min read

Introduction to Sour Tsunami

Sour Tsunami stands as a pioneering high-CBD cannabis strain that fundamentally changed how the medical cannabis community approaches therapeutic relief. Created by the legendary breeder Lawrence Ringo of the Southern Humboldt Seed Collective in 2010, this sativa-dominant hybrid (60% Sativa / 40% Indica) was specifically bred to maximize CBD content while minimizing THC levels. With CBD levels reaching 10-13% and THC rarely exceeding 10%, Sour Tsunami delivers profound therapeutic benefits without overwhelming psychoactive effects, making it an ideal choice for both novice users and experienced patients seeking clear-headed relief.

🧬 Genetic Heritage & Lineage

Sour Tsunami's genetic foundation comes from crossing two diesel powerhouses: Sour Diesel and NYC Diesel. This deliberate pairing combines the uplifting, energetic qualities of these renowned strains while emphasizing cannabidiol production through selective breeding. Lawrence Ringo's groundbreaking work in the early 2010s focused on isolating high-CBD phenotypes, resulting in a strain that maintains the distinctive diesel character of its parents while offering a completely different experience profile. Some sources reference Ferrari (also known as Double Diesel) in the lineage, representing another diesel variant that contributed to the strain's complex genetic makeup. This breeding achievement earned recognition through multiple competition wins, including 1st place CBD Flower at NECANN 2021, 3rd place at Terptown Throwdown 2021, and 2nd place best CBD flower in 2018.

👃 Terpene Profile & Aromatics

Myrcene dominates Sour Tsunami's terpene profile at approximately 0.58%, providing the foundational earthy, musky character that grounds the strain's aromatic experience. Pinene follows at 0.41%, contributing sharp pine notes and enhanced alertness. Terpinolene adds 0.32% of uplifting, herbaceous complexity, while ocimene at 0.16% introduces sweet, floral undertones. Minor terpenes including caryophyllene (0.13%), limonene (0.12%), humulene (0.11%), phellandrene (0.09%), linalool (0.08%), and valencene (0.02%) create layers of aromatic depth.

The overall aroma profile opens with a pungent diesel punch—sharp, fuel-like, and immediately recognizable. As you delve deeper, you'll discover bright citrus notes intertwined with fresh pine and sweet earth. Subtle undertones of herbs and woody spice emerge on closer inspection, while the high myrcene content provides a musky, slightly skunky foundation that anchors the more volatile top notes. This complex bouquet reflects the strain's diesel heritage while the terpene diversity adds therapeutic dimension.

👅 Flavor Experience

Sour Tsunami delivers a multi-layered flavor journey from first inhale to final exhale. The initial taste strikes with sharp diesel fuel that coats your palate, immediately followed by bright citrus and pine notes that cleanse and refresh. Mid-palate, you'll notice sweet earthiness mixed with woody undertones and subtle herbal spice. The exhale leaves a lingering sour-sweet taste with hints of pine resin and citrus peel. Unlike high-THC strains, the flavor remains clean and clear, allowing you to fully appreciate the terpene complexity without overwhelming sensory distortion.

🎯 Effects & Experience

Sour Tsunami's effects begin within 5-10 minutes, starting with a gentle mental uplift that enhances mood and sharpens focus without inducing anxiety or paranoia. You'll notice increased clarity and calm alertness—the high CBD content modulates the experience, preventing the racing thoughts or mental fog common with THC-dominant strains. The physical relaxation develops gradually, releasing tension throughout your body while maintaining functional mobility. Peak effects last 2-3 hours, characterized by sustained relief from discomfort, reduced stress, and improved focus. Users consistently report feeling relaxed yet energized, happy but clear-headed, and physically comfortable without sedation. This balanced profile makes Sour Tsunami exceptional for daytime use and activities requiring mental acuity.

💚 Medical & Therapeutic Potential

Sour Tsunami's high CBD-to-THC ratio makes it particularly valuable for therapeutic applications. The strain may help manage chronic pain, inflammation, muscle spasms, and arthritis through CBD's interaction with CB2 receptors and anti-inflammatory pathways. Patients with seizure disorders and epilepsy have reported significant benefits, as CBD demonstrates anticonvulsant properties. For mental wellness, Sour Tsunami may help reduce anxiety, stress, and depression without the intoxication that can exacerbate these conditions. The strain's clear-headed effects make it suitable for addressing migraines, tension headaches, and PTSD symptoms while maintaining daily functionality.

👁️ Visual Characteristics

Sour Tsunami buds display medium to dense structure with a classic hybrid appearance. The flowers showcase deep forest green as the primary color, accented by lighter lime-green highlights where new growth emerges. Vibrant orange pistils create striking contrast against the green backdrop, sometimes appearing rust-colored or burnt amber in mature specimens. Trichome coverage ranges from moderate to heavy depending on growing conditions, giving properly cured buds a frosty, crystalline appearance. The overall visual impression conveys quality genetics and careful cultivation.

📜 Cultural Context & Recognition

Sour Tsunami pioneered the high-CBD movement in modern cannabis culture, proving that therapeutic relief doesn't require heavy intoxication. The strain's multiple award wins validate its quality and effectiveness, while its availability through reputable seed banks ensures genetic preservation. Medical cannabis communities particularly value Sour Tsunami for expanding treatment options and demonstrating CBD's therapeutic potential to skeptical audiences.

⚠️ Consumer Considerations

Ideal for: Medical patients, CBD-curious consumers, novice users, those sensitive to THC, daytime relief seekers, and anyone requiring therapeutic benefits without impairment. Experience level: Suitable for all levels, particularly beneficial for beginners concerned about anxiety or overwhelming effects. Potential side effects: Dry mouth and dry eyes remain most common; occasional users report mild headache. Start with small amounts to assess individual tolerance, though the low THC content minimizes adverse reactions. The strain's balanced cannabinoid profile makes it one of the safest entry points into cannabis therapy.

Research Methodology

How we compiled this strain profile

75%
Data Confidence

This strain profile was compiled from 25 published sources covering 'Sour Tsunami'. Our research pipeline cross-references these sources and reports how strongly they agree — see the confidence breakdown below.

Data Quality by Section

Terpenes High (15 sources)
Effects Low (21 sources)
Lineage High (21 sources)
Medical Low (19 sources)
Aromas Low (21 sources)
Cannabinoids Low (19 sources)
Last updated: August 14, 2026

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