What is the main difference between Critical Mass and Harlequin?

Critical Mass is a Indica strain (80% Indica / 20% Sativa) with THC levels of 19–22%, while Harlequin is a Sativa strain (25% Indica / 75% Sativa) with THC levels of 7–15%.

Which strain has higher THC — Critical Mass or Harlequin?

Critical Mass has higher THC at 19–22%, compared to Harlequin at 7–15%.

Is Critical Mass or Harlequin easier to grow?

Critical Mass has easy growing difficulty with a 6-8-week flowering period, while Harlequin has moderate difficulty with a 7-9-week flowering period. Critical Mass is a great choice for beginners.

What effects does Critical Mass have compared to Harlequin?

Critical Mass produces relaxing, sleepy, tingling, euphoric, happy effects, ideal for evening use. Harlequin produces focused, relaxing, uplifting, body high, creative effects, best for morning use.

What terpenes are in Critical Mass and Harlequin?

Critical Mass features Myrcene, giving it citrus, honey, skunk flavors. Harlequin features Myrcene, with herbal, spicy, sweet flavors.

Which medical conditions can Critical Mass and Harlequin help with?

Critical Mass may help with add/adhd, arthritis, chronic pain, depression, fatigue, fibromyalgia, inflammation, insomnia, nausea, stress, pain, anxiety. Harlequin may help with arthritis, chronic pain, depression, fatigue, fibromyalgia, headaches, inflammation, migraines, ptsd, stress, pain, anxiety. Consult a healthcare professional before using cannabis for medical purposes.

Strain Encyclopedia

Critical Mass

Indica — THC 22%

Harlequin

Sativa — THC 15%

Potency, effects, terpenes, flavors, growing difficulty, and medical uses — compared side by side.

Home/Strain Comparisons/Critical Mass vs Harlequin

Quick Verdict

Who wins in each category?

⚡

Potency

Critical Mass

🏥

Medical

Tie

🌱

Growing

Critical Mass

🍋

Flavor

Critical Mass

Strain Profile Comparison

Six-axis profile overlay — see where each strain excels

Critical Mass

Harlequin

Effect Matchup

Side-by-side effect intensity — bars show relative prominence

Critical Mass

Effect

Harlequin

100%

Relaxing

88%

53%

Uplifting

77%

88%

Sleepy

77%

Tingling

68%

Euphoric

60%

Happy

46%

Body-buzz

Focused

100%

Body High

68%

Creative

60%

Focus

53%

Clear-headed

46%

Motivated

41%

2 shared effects highlighted

Critical Mass — Potency

THC0%

CBD0%

Potency LevelStrong

Harlequin — Potency

THC0%

CBD0%

Potency LevelMild

Afghani x Skunk #1Critical Mass

Indica 80%Sativa 20%

Colombian Gold x Thai x Swiss x NepaliHarlequin

Indica 25%Sativa 75%

Side-by-Side Specs

Green highlight indicates the superior value

Critical Mass

Profile Comparison

Shared (2)

RelaxingUplifting

Only Critical Mass (5)

SleepyTinglingEuphoricHappyBody-buzz

Only Harlequin (6)

FocusedBody HighCreativeFocusClear-headedMotivated

Possible Side Effects

Shared

Dry mouthAnxious

Only Critical Mass

Dry eyes

Only Harlequin

Headache

Growing Guide Comparison

Critical Mass

DifficultyEasy

Flowering6-8 weeks

Indoor Yield750g/m² (2.5oz/ft²)

Outdoor Yield600g/plant (21.2oz/plant)

Indoor HeightMedium

Outdoor HeightMedium

Plant StructureBushy

PhotoperiodPhotoperiod

Growing MethodIndoor, Outdoor

Harlequin

DifficultyModerate

Flowering7-9 weeks

Indoor YieldMedium

Outdoor YieldMedium

Indoor HeightTall

Outdoor Height200cm (79in)

Plant StructureTall

PhotoperiodPhotoperiod

Growing MethodIndoor, Outdoor

About These Strains

Critical Mass

Indica 80/20 — THC 19–22% — CBD 5–5%

Critical Mass is an indica dominant hybrid (80% indica/20% sativa) strain that's a cross between the iconic Afghani X Skunk #1 strains. This bud gets its name from the tendency of branches to break under the weight of the insanely dense buds.

It's not uncommon for growers to find branches of their Critical Mass plants littering the floors of their greenhouses.

Harlequin

Sativa 25/75 — THC 7–15% — CBD 9–10%

Harlequin is a hybrid cross between Colombian Gold, Thai and Swiss Landrace. It constitutes an indica/sativa ratio to be known as 25:75, meaning it is sativa dominant.

It has a unique CBD: THC ratio which is best described to be roughly 1:1.

Which One Is Right for You?

Critical Mass and Harlequin are both excellent strains with distinct characteristics. Critical Mass is a Indica with 19–22% THC, while Harlequin is a Sativa with 7–15% THC. Your choice depends on your preference for effects, growing difficulty, and intended use.

Choose Critical Mass

Choose Critical Mass if you want higher THC potency, easier growing, deeper body relaxation. Critical Mass is an indica dominant hybrid (80% indica/20% sativa) strain that's a cross between the iconic Afghani X Skunk #1 strains.

Choose Harlequin

Choose Harlequin if you want more cerebral/uplifting effects. Harlequin is a hybrid cross between Colombian Gold, Thai and Swiss Landrace.

Frequently Asked Questions

Common questions about Critical Mass vs Harlequin

Medical Disclaimer

The information on this page is for educational purposes only and is not intended as medical advice. Cannabis affects everyone differently. Consult a qualified healthcare professional before using cannabis for any medical condition. Effects, potency, and medical benefits may vary. Do not use cannabis if pregnant, nursing, or under the legal age in your jurisdiction.

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