Chemo

Chemo (UBC Chemo) is a rare, pure 100% indica born at the University of British Columbia in the 1970s from Afghani genetics. Developed with medical intent, it delivers heavy full-body relaxation, deep euphoria, and powerful sedation with THC levels reaching up to 29%. Best known for combating pain, nausea, insomnia, and appetite loss, Chemo is a cornerstone of Canadian cannabis history and one of the most therapeutically respected indicas ever cultivated.

The Short Answer

What kind of high is Chemo?

Myrcene-led and woody on the palate, most often reported relaxed and picked for meditation at night.

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
🔥 THC-Dominant
Dominant Terpenes
myrcene
Smells Earthy, musky, fruity
  • Sedating
  • Muscle relaxant
  • Anti inflammatory
  • caryophyllene Spicy, peppery, woody
  • limonene Citrus, lemon, orange

Listed as reported — no measured order on file for this strain.

How It Feels
Relaxed
  • Sleepy
  • Hungry
Best For
Tastes Like
Woody
  • Earthy
  • Spicy
Smells Like
Earthy pine
  • Pungent
  • Spicy
  • Best Time night
  • Era 1979
  • Rarity Rare

Genetics Pure Indica (100%) 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
Pure 100% Afghani indica developed at UBC in the 1970s with medical intent
2
Heavy myrcene-dominant profile delivers deep sedation and full-body relief
3
THC up to 29% — one of the most potent pure indicas in cannabis history
4
Legendary for combating nausea, pain, insomnia, and appetite loss effectively

The Experience

Professor High Avatar

Professor High Says...

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

4.4 / 5 Rated 4.4 out of 5 by Professor High

Okay, so I just settled into Chemo and... wow, this is what pure indica history feels like. It started with this warm, spreading euphoria — not a chaotic rush, just a smooth, intelligent calm that moved from the back of my head forward, like someone gently pressing the mute button on every stressor in the room. Within about fifteen minutes, I could feel my muscles releasing tension I didn't even know I was holding — shoulders, lower back, jaw — everything just... let go.

The myrcene in this one is doing serious biochemical work. It's crossing the blood-brain barrier efficiently and amplifying everything. My body feels heavy in the most pleasurable way — grounded, settled, anchored. There's a gentle limonene brightness keeping the mood elevated rather than dark, which is sophisticated for such a sedative-dominant profile. Caryophyllene is clearly at work too — there's a warm, anti-inflammatory sensation spreading through my joints that feels genuinely medicinal. This is what cannabis bred with therapeutic purpose feels like. It's a 1970s masterpiece — rare, intentional, and deeply effective.

Pure Indica (100%)
Myrcene Forward
night Use

Effects Profile

Relaxed · Sleepy · Hungry
relaxed sleepy hungry euphoric happy

Best enjoyed during night

Deep relaxation and sleep

Best For

Meditation · Sleep & Bedtime · Watching TV/Movies

Look, Aroma & Taste

Aroma & Flavor

Earthy · Pungent · Pine

Aromas

Earthy
Pungent
Pine
Spicy

Flavors

Woody
Earthy
Spicy
Pungent

Terpene Profile

Myrcene leads · 3 terpenes mapped

Appearance

Deep forest green · Olive green

Color Palette

deep forest green
olive green
sage green
rust orange pistils
milky white trichomes
amber resin

Texture

Dense, chunky, tightly packed nugs with a heavy, sticky resin coating. Buds are compact and hard with a classic old-school indica structure — not fluffy, but solid and weighty in the hand. Trichome coverage is generous and visible to the naked eye.

Crystal Density

high

Heavy frost coating

Chemistry & Research

Medical Effects

10 reported therapeutic uses on file

Mental Effects

45 %
  • Stress Relief

    Reduces anxiety and calms racing thoughts effectively

  • Mood Enhancement

    Elevates mood and promotes euphoric happiness

  • Depression Management

    Alleviates depressive symptoms and lifts spirits

  • PTSD Support

    Helps manage trauma-related symptoms and anxiety

Professor High visualization

Body Effects

55 %
  • Pain Management

    Reduces chronic pain and muscle tension significantly

  • Appetite Stimulation

    Increases appetite and combats loss of appetite

  • Nausea Relief

    Reduces nausea and vomiting symptoms effectively

  • Sleep Support

    Promotes deeper sleep and treats insomnia

  • Anti-inflammatory

    Reduces inflammation and arthritis-related pain

  • Seizure Management

    Helps manage seizure activity in certain conditions

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 Chemo?

Chemo is a indica cannabis strain containing up to 29.0% 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.

Educational resources only — not medical advice. Always consult a qualified clinician for health decisions.

Cannabinoids (THC & CBD)

THC 18-29% · 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
18-29%

Using It Well

Consumption Methods

Vaping · Smoking · Edibles

Recommended Methods

Vaping
Smoking
Edibles
Tinctures

Side Effects

Dry Mouth · Dry Eyes · +3 more

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

Dry Mouth
Dry Eyes
Dizziness
Couch-Lock
Anxiety

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

Where It Comes From

Lineage & History

Afghani · bred by University of British Columbia

Pure indica strain developed at the University of British Columbia in the 1970s, descended from Afghani genetics. Also used as a parent strain for hybrid crosses like Remo Chemo (UBC Chemo × Bubba Kush).

Genetics

Origin Timeline

First cultivated in 1979

Breeder

University of British Columbia

Seed Bank

Dinafem Seeds

Awards & Recognition

4 awards & mentions

Notable Mentions

1st prize in the Indica category 2018
1st prize in the Smell category 2018
1st prize in the Indica category 2017
Top 10 Strains of 2017

The Full Story

Detailed Description

The long-form profile · ~4 min read

Chemo (UBC Chemo): The Legendary BC Indica

Chemo — also known as UBC Chemo, Kemo, or UBC Cut — is one of the most historically significant cannabis strains to ever come out of Canada. A pure 100% indica with roots stretching back to the 1970s, this rare and revered strain carries a legacy that few can match. Originally developed at the University of British Columbia (UBC) from Afghani landrace genetics, Chemo was reportedly cultivated with a specific medical purpose in mind: helping patients manage the devastating side effects of chemotherapy. That purpose is baked right into its name, and it remains one of the most medically respected indicas in cannabis culture today.


🧬 Genetic Heritage & Lineage

Chemo descends directly from Afghani — the ancient landrace strain prized for its heavy resin production, deep body effects, and sedative potency. Believed to have been developed around 1979 at UBC, the strain has been attributed to researchers seeking a therapeutic cannabis option during a time when medical cannabis was largely underground. It has since gone on to parent notable crosses, most famously Remo Chemo (UBC Chemo × Bubba Kush), popularized by Canadian cannabis cultivator Urban Remo and later distributed by Dinafem Seeds. Chemo itself remains a rare find, making authentic cuts highly sought after by collectors and medical users alike.


👃 Terpene Profile & Aromatics

Chemo's terpene profile is led by three powerful compounds:

  • 🌿 Myrcene (dominant) — responsible for the deeply earthy, musky base aroma and the signature sedative body effect. Myrcene amplifies THC uptake across the blood-brain barrier, intensifying the overall experience.
  • 🌶️ Caryophyllene — adds a spicy, peppery kick to the aroma while acting as a CB2 receptor agonist, contributing meaningfully to pain relief and anti-inflammatory effects without psychoactive impact.
  • 🍋 Limonene — weaves a subtle citrus brightness into what is otherwise a heavy, dank nose, gently lifting the mood while rounding out the aromatic complexity.

The overall aroma profile is earthy, woody, pine, pungent, and skunky, with secondary notes of herbal spice, sweet florals, and chestnut. It's a complex, old-school nose that telegraphs serious indica potency before you even take a hit.


👅 Flavor Experience

On the inhale, you'll encounter rich woody and pine flavors with a pleasant earthy depth — like walking through a dense old-growth forest. The mid-palate brings sweet and herbal notes with a subtle spicy warmth from the caryophyllene. The exhale finishes smooth and full with a pungent, slightly floral aftertaste that lingers pleasantly. Some users detect hints of citrus and diesel on the back end, adding complexity to what is otherwise a classically old-school indica smoke.


🎯 Effects & Experience

With THC levels ranging from 18% to 29%, Chemo is no lightweight. Onset is relatively swift — within minutes you'll notice a warm euphoric wave washing over the mind, followed quickly by a heavy, full-body relaxation that settles into the muscles and joints like a weighted blanket. The high deepens over 20-40 minutes into profound sedation, making couch-lock a very real possibility for newer users. At peak, you'll likely feel:

  • Deeply relaxed and physically anchored
  • Euphoric and happy, with a calm, buzzy mental state
  • Hungry — the munchies are strong with this one
  • Sleepy — especially in higher doses

Duration typically runs 2-4 hours, and the comedown is smooth and restful, often transitioning naturally into sleep.


💚 Medical & Therapeutic Potential

Chemo's medical reputation is extraordinary. It may help with:

  • Chronic pain, arthritis, migraines, and muscle spasms
  • Nausea and vomiting — particularly useful for patients undergoing chemotherapy
  • Appetite loss — one of the most reliable appetite stimulants in the cannabis world
  • Insomnia — its sedative depth may support longer, deeper sleep
  • Stress, anxiety, depression, and PTSD — the euphoric onset lifts mood before the body settles into calm
  • Seizure management — referenced by several sources as potentially supportive

👁️ Visual Characteristics

Chemo buds are classically beautiful in an old-school indica way. You'll notice dense, chunky, medium-to-large nugs coated in a generous layer of milky white trichomes that give them a frosty, resinous sheen. Colors run through deep forest greens with olive and sage undertones, while rust-orange pistils curl throughout the bud structure. The overall appearance is compact, heavy, and sticky — a visual promise of potency.


🏆 Awards & Recognition

Chemo's child strain Remo Chemo earned significant industry recognition:

  • 🏆 1st Prize, Indica Category — 2017 & 2018
  • 🏆 1st Prize, Smell Category — 2018
  • 🌟 Top 10 Strains of 2017

These accolades speak directly to the exceptional quality of the UBC Chemo genetics at its core.


📜 Cultural Context & Consumer Considerations

Chemo holds a special place in Canadian cannabis history — born at a university, designed to heal, and preserved through decades of underground cultivation. It's best suited for experienced indica users or medical patients seeking serious therapeutic relief. Novices should start low and slow — this is a potent, sedating strain best enjoyed in the evening or night. Keep water nearby for dry mouth, and don't plan anything demanding after consuming.

Research Methodology

How we compiled this strain profile

70%
Data Confidence

This strain profile was compiled from 19 published sources covering 'Chemo'. Our research pipeline cross-references these sources and reports how strongly they agree — see the confidence breakdown below.

Data Quality by Section

Terpenes Medium (5 sources)
Effects Low (13 sources)
Lineage Medium (3 sources)
Medical Low (14 sources)
Aromas Low (13 sources)
Cannabinoids Low (11 sources)
Last updated: August 18, 2026

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