What is the main difference between Critical Mass and Purple Kush?

Critical Mass is a Indica strain (80% Indica / 20% Sativa) with THC levels of 19–22%, while Purple Kush is a Indica strain (100% Indica / 0% Sativa) with THC levels of 20–24%.

Which strain has higher THC — Critical Mass or Purple Kush?

Purple Kush has higher THC at 20–24%, compared to Critical Mass at 19–22%.

Is Critical Mass or Purple Kush easier to grow?

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

What effects does Critical Mass have compared to Purple Kush?

Critical Mass produces relaxing, sleepy, tingling, euphoric, happy effects, ideal for evening use. Purple Kush produces sleepy, hungry, relaxing, euphoric, happy effects, best for evening use.

What terpenes are in Critical Mass and Purple Kush?

Critical Mass features Myrcene, giving it citrus, honey, skunk flavors. Purple Kush features Myrcene, with berry, grape, sweet flavors.

Which medical conditions can Critical Mass and Purple Kush help with?

Critical Mass may help with add/adhd, arthritis, chronic pain, depression, fatigue, fibromyalgia, inflammation, insomnia, nausea, stress, pain, anxiety. Purple Kush may help with anxiety, bipolar disorder, chronic pain, depression, insomnia, loss of appetite, migraines, ptsd, stress, pain. Consult a healthcare professional before using cannabis for medical purposes.

Strain Encyclopedia

Critical Mass

Indica — THC 22%

Purple Kush

Indica — THC 24%

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

Home/Strain Comparisons/Critical Mass vs Purple Kush

Quick Verdict

Who wins in each category?

⚡

Potency

Purple Kush

🏥

Medical

Critical Mass

🌱

Growing

Critical Mass

🍋

Flavor

Purple Kush

Strain Profile Comparison

Six-axis profile overlay — see where each strain excels

Critical Mass

Purple Kush

Effect Matchup

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

Critical Mass

Effect

Purple Kush

88%

Sleepy

100%

Relaxing

77%

68%

Euphoric

68%

60%

Happy

60%

77%

Tingling

53%

Uplifting

46%

Body-buzz

Hungry

88%

Couch-lock

53%

4 shared effects highlighted

Critical Mass — Potency

THC0%

CBD0%

Potency LevelStrong

Purple Kush — Potency

THC0%

CBD0%

Potency LevelStrong

Afghani x Skunk #1Critical Mass

Indica 80%Sativa 20%

Hindu Kush x Purple AfghaniPurple Kush

Indica 100%Sativa 0%

Side-by-Side Specs

Green highlight indicates the superior value

Critical Mass

Profile Comparison

Shared (4)

RelaxingSleepyEuphoricHappy

Only Critical Mass (3)

TinglingUpliftingBody-buzz

Only Purple Kush (2)

HungryCouch-lock

Possible Side Effects

Shared

Dry mouthDry eyes

Only Critical Mass

Anxious

Only Purple Kush

Dizzy

Growing Guide Comparison

Critical Mass

DifficultyEasy

Flowering6-8 weeks

HarvestSeptember Yield

Indoor Yield750g/m² (2.5oz/ft²)

Outdoor Yield600g/plant (21.2oz/plant)

Indoor HeightMedium

Outdoor HeightMedium

Plant StructureBushy

PhotoperiodPhotoperiod

Growing MethodIndoor, Outdoor

Purple Kush

DifficultyModerate

Flowering8-9 weeks

HarvestOctober Yield

Indoor Yield500g/m² (1.6oz/ft²)

Outdoor Yield800g/plant (28.2oz/plant)

Indoor HeightMedium

Outdoor Height180–200cm (71–79in)

Plant StructureBushy

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.

Purple Kush

Indica 100/0 — THC 20–24%

Purple Kush is a 100% pure indica strain created as a potent cross between the insanely popular Hindu Kush X Purple Afghani strains. This dank bud was named one of the Top 10 Most Powerful Strains in the World by High Times magazine and boasts a THC level that ranges from 22% on average.

Users describe the Purple Kush high as having an immediately uplifting euphoric head high that leaves you completely pain-free and slightly introspective.

Which One Is Right for You?

Critical Mass and Purple Kush are both excellent strains with distinct characteristics. Critical Mass is a Indica with 19–22% THC, while Purple Kush is a Indica with 20–24% THC. Your choice depends on your preference for effects, growing difficulty, and intended use.

Choose Critical Mass

Choose Critical Mass if you want easier growing, higher CBD for medical use. 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 Purple Kush

Purple Kush is a solid indica with sleepy, hungry, relaxing effects.

Frequently Asked Questions

Common questions about Critical Mass vs Purple Kush

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.

More Strain Comparisons

View All Comparisons