What is the main difference between Black Diamond and Critical Mass?

Black Diamond is a Indica strain (70% Indica / 30% Sativa) with THC levels of 18–24%, while Critical Mass is a Indica strain (80% Indica / 20% Sativa) with THC levels of 19–22%.

Which strain has higher THC — Black Diamond or Critical Mass?

Black Diamond has higher THC at 18–24%, compared to Critical Mass at 19–22%.

Is Black Diamond or Critical Mass easier to grow?

Black Diamond has difficult growing difficulty with a 8-week flowering period, while Critical Mass has easy difficulty with a 6-8-week flowering period. Critical Mass is a great choice for beginners.

What effects does Black Diamond have compared to Critical Mass?

Black Diamond produces hungry, relaxing, giggly, euphoric, happy effects, ideal for evening use. Critical Mass produces relaxing, sleepy, tingling, euphoric, happy effects, best for evening use.

What terpenes are in Black Diamond and Critical Mass?

Black Diamond features Myrcene, giving it berry, grape, herb flavors. Critical Mass features Myrcene, with citrus, honey, skunk flavors.

Which medical conditions can Black Diamond and Critical Mass help with?

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

Strain Encyclopedia

Black Diamond

Indica — THC 24%

Critical Mass

Indica — THC 22%

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

Home/Strain Comparisons/Black Diamond vs Critical Mass

Quick Verdict

Who wins in each category?

⚡

Potency

Black Diamond

🏥

Medical

Critical Mass

🌱

Growing

Critical Mass

🍋

Flavor

Tie

Strain Profile Comparison

Six-axis profile overlay — see where each strain excels

Black Diamond

Critical Mass

Effect Matchup

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

Black Diamond

Effect

Critical Mass

88%

Relaxing

100%

53%

Sleepy

88%

68%

Euphoric

68%

60%

Happy

60%

100%

Hungry

77%

Giggly

46%

Munchies

Tingling

77%

Uplifting

53%

Body-buzz

46%

4 shared effects highlighted

Black Diamond — Potency

THC0%

CBD0%

Potency LevelStrong

Critical Mass — Potency

THC0%

CBD0%

Potency LevelStrong

Blackberry x Diamond OGBlack Diamond

Indica 70%Sativa 30%

Afghani x Skunk #1Critical Mass

Indica 80%Sativa 20%

Side-by-Side Specs

Green highlight indicates the superior value

Black Diamond

Profile Comparison

Shared (4)

RelaxingEuphoricHappySleepy

Only Black Diamond (3)

HungryGigglyMunchies

Only Critical Mass (3)

TinglingUpliftingBody-buzz

Possible Side Effects

Shared

Dry mouthDry eyes

Only Black Diamond

Dizzy

Only Critical Mass

Anxious

Growing Guide Comparison

Black Diamond

DifficultyDifficult

Flowering8 weeks

HarvestEarly October

Indoor YieldMedium

Outdoor YieldMedium

Indoor HeightMedium

Outdoor HeightMedium

Plant StructureCompact

PhotoperiodPhotoperiod

Growing MethodIndoor, Outdoor

ClimateTemperate, Dry

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

ClimateContinental, Dry

About These Strains

Black Diamond

Indica 70/30 — THC 18–24%

Black Diamond, which is otherwise referred to as 'Black Diamond OG' and sometimes as 'Black Diamond OG Kush', is the medical marijuana strain which is bred in the Northern California region as clone-only strain. This is an indica-dominant strain and is considered as a rare strain.

The THC levels of this strain range between 18 and 24%.

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.

Which One Is Right for You?

Black Diamond and Critical Mass are both excellent strains with distinct characteristics. Black Diamond is a Indica with 18–24% THC, while Critical Mass is a Indica with 19–22% THC. Your choice depends on your preference for effects, growing difficulty, and intended use.

Choose Black Diamond

Black Diamond is a solid indica with hungry, relaxing, giggly effects.

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.

Frequently Asked Questions

Common questions about Black Diamond vs Critical Mass

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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