What is the main difference between Alien OG and Critical Purple?

Alien OG is a Hybrid strain (50% Indica / 50% Sativa) with THC levels of 22–28%, while Critical Purple is a Indica strain (75% Indica / 25% Sativa) with THC levels of 20–23%.

Which strain has higher THC — Alien OG or Critical Purple?

Alien OG has higher THC at 22–28%, compared to Critical Purple at 20–23%.

Is Alien OG or Critical Purple easier to grow?

Alien OG has moderate growing difficulty with a 7-9-week flowering period, while Critical Purple has moderate difficulty with a 8-10-week flowering period.

What effects does Alien OG have compared to Critical Purple?

Alien OG produces relaxing, tingling, euphoric, body high, happy effects, ideal for evening use. Critical Purple produces relaxing, sleepy effects, best for evening use.

What terpenes are in Alien OG and Critical Purple?

Alien OG features Myrcene, giving it citrus, lemon, pine flavors. Critical Purple features Myrcene, Limonene, Caryophyllene, with grape, pine, sweet flavors.

Which medical conditions can Alien OG and Critical Purple help with?

Alien OG may help with anxiety, chronic pain, fatigue, nausea, stress, pain. Critical Purple may help with chronic pain, depression, fatigue, insomnia. Consult a healthcare professional before using cannabis for medical purposes.

Strain Encyclopedia

Alien OG

Hybrid — THC 28%

Critical Purple

Indica — THC 23%

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

Home/Strain Comparisons/Alien OG vs Critical Purple

Quick Verdict

Who wins in each category?

⚡

Potency

Alien OG

🏥

Medical

Alien OG

🌱

Growing

Tie

🍋

Flavor

Alien OG

Strain Profile Comparison

Six-axis profile overlay — see where each strain excels

Alien OG

Critical Purple

Effect Matchup

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

Alien OG

Effect

Critical Purple

100%

Relaxing

100%

88%

Tingling

77%

Euphoric

68%

Body High

60%

Happy

53%

Uplifting

Sleepy

88%

1 shared effect highlighted

Alien OG — Potency

THC0%

CBD0%

Potency LevelVery Strong

Critical Purple — Potency

THC0%

CBD0%

Potency LevelStrong

Tahoe OG x Alien KushAlien OG

Indica 50%Sativa 50%

Critical Mass x Purple KushCritical Purple

Indica 75%Sativa 25%

Side-by-Side Specs

Green highlight indicates the superior value

Alien OG

Profile Comparison

Shared (1)

Relaxing

Only Alien OG (5)

TinglingEuphoricBody HighHappyUplifting

Only Critical Purple (1)

Sleepy

Possible Side Effects

Shared

Dry mouthDry eyes

Only Alien OG

Headache

Only Critical Purple

Dizzy

Growing Guide Comparison

Alien OG

DifficultyModerate

Flowering7-9 weeks

HarvestEarly October

Indoor YieldHigh

Outdoor YieldMedium

Indoor Height120cm (47in)

Outdoor Height180cm (71in)

Plant StructureMedium

PhotoperiodPhotoperiod

Growing MethodIndoor, Outdoor

ClimateTemperate, Dry

Critical Purple

DifficultyModerate

Flowering8-10 weeks

HarvestLate September

Indoor YieldMedium

Outdoor YieldMedium

Indoor HeightShort to Medium

Outdoor HeightMedium

Plant StructureCompact

PhotoperiodPhotoperiod

Growing MethodIndoor, Outdoor

ClimateTemperate, Dry

About These Strains

Alien OG

Hybrid 50/50 — THC 22–28% — CBD 1–1%

Alien OG, also known as “Alien OG Kush,” is an evenly balanced hybrid strain (50% indica/50% sativa) created through crossing the classic Tahoe OG X Alien Kush strains. Best known for its insane level of potency, Alien OG is the perfect bud for any experienced patients who appreciate a well-balanced high from head to toe.

It starts with a buzzy cerebral lift that fills your brain with a happy sense of euphoria, leaving no room for any negative moods or racing thoughts.

Critical Purple

Indica 75/25 — THC 20–23%

Critical Purple, also known as “Critical Purple Kush,” is an indica dominant hybrid strain created through crossing the classic Critical + X Purple Kush strains. Just wait until you see these buds - Critical Purple nugs are gorgeous from top to bottom.

It has oversized dark olive green nugs with bright purple leaves, dark amber hairs, and a coating of dark amber colored crystal trichomes that can have a slight purple tinge to them.

Which One Is Right for You?

Alien OG and Critical Purple are both excellent strains with distinct characteristics. Alien OG is a Hybrid with 22–28% THC, while Critical Purple is a Indica with 20–23% THC. Your choice depends on your preference for effects, growing difficulty, and intended use.

Choose Alien OG

Choose Alien OG if you want higher THC potency, more cerebral/uplifting effects. Alien OG, also known as “Alien OG Kush,” is an evenly balanced hybrid strain (50% indica/50% sativa) created through crossing the classic Tahoe OG X Alien Kush strains.

Choose Critical Purple

Choose Critical Purple if you want deeper body relaxation. Critical Purple, also known as “Critical Purple Kush,” is an indica dominant hybrid strain created through crossing the classic Critical + X Purple Kush strains.

Frequently Asked Questions

Common questions about Alien OG vs Critical Purple

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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