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

Alien OG is a Hybrid strain (50% Indica / 50% Sativa) with THC levels of 22–28%, while Granddaddy Purple is a Indica strain (80% Indica / 20% Sativa) with THC levels of 20–27%.

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

Alien OG has higher THC at 22–28%, compared to Granddaddy Purple at 20–27%.

Is Alien OG or Granddaddy Purple easier to grow?

Alien OG has moderate growing difficulty with a 7-9-week flowering period, while Granddaddy Purple has easy difficulty with a 7-9-week flowering period. Granddaddy Purple is a great choice for beginners.

What effects does Alien OG have compared to Granddaddy Purple?

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

What terpenes are in Alien OG and Granddaddy Purple?

Alien OG features Myrcene, giving it citrus, lemon, pine flavors. Granddaddy Purple features Myrcene, with berry, fruit, grape flavors.

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

Alien OG may help with anxiety, chronic pain, fatigue, nausea, stress, pain. Granddaddy Purple may help with arthritis, chronic pain, depression, insomnia, loss of appetite, migraines, muscle spasms, ptsd, stress, anxiety, pain. Consult a healthcare professional before using cannabis for medical purposes.

Strain Encyclopedia

Alien OG

Hybrid — THC 28%

Granddaddy Purple

Indica — THC 27%

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

Home/Strain Comparisons/Alien OG vs Granddaddy Purple

Quick Verdict

Who wins in each category?

⚡

Potency

Alien OG

🏥

Medical

Granddaddy Purple

🌱

Growing

Granddaddy Purple

🍋

Flavor

Alien OG

Strain Profile Comparison

Six-axis profile overlay — see where each strain excels

Alien OG

Granddaddy Purple

Effect Matchup

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

Alien OG

Effect

Granddaddy Purple

100%

Relaxing

88%

77%

Euphoric

68%

60%

Happy

60%

88%

Tingling

68%

Body High

53%

Uplifting

Sleepy

100%

Hungry

77%

3 shared effects highlighted

Alien OG — Potency

THC0%

CBD0%

Potency LevelVery Strong

Granddaddy Purple — Potency

THC0%

CBD0%

Potency LevelStrong

Tahoe OG x Alien KushAlien OG

Indica 50%Sativa 50%

Purple Urkle x Big BudGranddaddy Purple

Indica 80%Sativa 20%

Side-by-Side Specs

Green highlight indicates the superior value

Alien OG

Profile Comparison

Shared (3)

RelaxingEuphoricHappy

Only Alien OG (3)

TinglingBody HighUplifting

Only Granddaddy Purple (2)

SleepyHungry

Possible Side Effects

Shared

Dry mouthDry eyes

Only Alien OG

Headache

Only Granddaddy 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

Granddaddy Purple

DifficultyEasy

Flowering7-9 weeks

HarvestLate September

Indoor YieldHigh

Outdoor YieldMedium

Indoor HeightShort

Outdoor HeightMedium

Plant StructureBushy

PhotoperiodPhotoperiod

Growing MethodIndoor, Outdoor

ClimateHumid

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.

Granddaddy Purple

Indica 80/20 — THC 20–27% — CBD 1–1%

Granddaddy Purple, also known as “ Grand Daddy Purple” or “GDP” or “Grand Daddy Purps,” is a heavy indica dominant strain created through crossing the classic Big Bud X Purple Urkle strains. This flavorful bud is said to be the grandfather of all weed strains, packing timeless full-bodied effects and an infamous flavor that will leave you begging for more.

The Granddaddy Purple high hits you first with a cerebral rush that leaves you feeling completely euphoric although with a slight numbing effect.

Which One Is Right for You?

Alien OG and Granddaddy Purple are both excellent strains with distinct characteristics. Alien OG is a Hybrid with 22–28% THC, while Granddaddy Purple is a Indica with 20–27% THC. Your choice depends on your preference for effects, growing difficulty, and intended use.

Choose Alien OG

Choose Alien OG if you want 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 Granddaddy Purple

Choose Granddaddy Purple if you want easier growing, deeper body relaxation, broader medical applications. Granddaddy Purple, also known as “ Grand Daddy Purple” or “GDP” or “Grand Daddy Purps,” is a heavy indica dominant strain created through crossing the classic Big Bud X Purple Urkle strains.

Frequently Asked Questions

Common questions about Alien OG vs Granddaddy 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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