What is the main difference between Granddaddy Purple and Northern Lights?

Granddaddy Purple is a Indica strain (80% Indica / 20% Sativa) with THC levels of 20–27%, while Northern Lights is a Indica strain (100% Indica / 0% Sativa) with THC levels of 16–21%.

Which strain has higher THC — Granddaddy Purple or Northern Lights?

Granddaddy Purple has higher THC at 20–27%, compared to Northern Lights at 16–21%.

What effects does Granddaddy Purple have compared to Northern Lights?

Granddaddy Purple produces sleepy, relaxing, hungry, euphoric, happy effects, ideal for evening use. Northern Lights produces sleepy, relaxing, hungry, euphoric, happy effects, best for evening use.

What terpenes are in Granddaddy Purple and Northern Lights?

Granddaddy Purple features Myrcene, giving it berry, fruity, grape flavors. Northern Lights features Myrcene, with pine, spicy, sweet flavors.

Which medical conditions can Granddaddy Purple and Northern Lights help with?

Granddaddy Purple may help with arthritis, chronic pain, depression, insomnia, loss of appetite, migraines, muscle spasms, ptsd, stress, anxiety, pain. Northern Lights may help with anxiety, bipolar disorder, depression, headaches, insomnia, loss of appetite, migraines, ptsd, stress, pain. Consult a healthcare professional before using cannabis for medical purposes.

Strain Encyclopedia

Granddaddy Purple

Indica — THC 27%

Northern Lights

Indica — THC 21%

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

Home/Strain Comparisons/Granddaddy Purple vs Northern Lights

Quick Verdict

Who wins in each category?

⚡

Potency

Granddaddy Purple

🏥

Medical

Granddaddy Purple

🌱

Growing

Northern Lights

🍋

Flavor

Tie

Strain Profile Comparison

Six-axis profile overlay — see where each strain excels

Granddaddy Purple

Northern Lights

Effect Matchup

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

Granddaddy Purple

Effect

Northern Lights

100%

Sleepy

100%

88%

Relaxing

88%

77%

Hungry

77%

68%

Euphoric

68%

60%

Happy

60%

Body-buzz

53%

Social

46%

5 shared effects highlighted

Granddaddy Purple — Potency

THC0%

CBD0%

Potency LevelStrong

Northern Lights — Potency

THC0%

CBD0%

Potency LevelModerate

Purple Urkle x Big BudGranddaddy Purple

Indica 80%Sativa 20%

Thai x AfghaniNorthern Lights

Indica 100%Sativa 0%

Side-by-Side Specs

Green highlight indicates the superior value

Granddaddy Purple

Profile Comparison

Shared (5)

SleepyRelaxingHungryEuphoricHappy

Only Northern Lights (2)

Body-buzzSocial

Possible Side Effects

Shared

Dry mouthDry eyesDizzy

Growing Guide Comparison

Granddaddy Purple

Flowering7-9 weeks

PhotoperiodPhotoperiod

Growing MethodIndoor, Outdoor

Northern Lights

Flowering7-8 weeks

PhotoperiodPhotoperiod

Growing MethodIndoor, Outdoor

About These Strains

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.

Northern Lights

Indica 100/0 — THC 16–21%

Few strains come with as much widespread renown as Northern Lights, inarguably one of the most popular strains of all time. An inbred descendant of original Afghani landrace strains, Northern Lights is a pure indica.

THC levels can reach 16-21%, making this one of the most potent strains available on any market.

Which One Is Right for You?

Granddaddy Purple and Northern Lights are both excellent strains with distinct characteristics. Granddaddy Purple is a Indica with 20–27% THC, while Northern Lights is a Indica with 16–21% THC. Your choice depends on your preference for effects, growing difficulty, and intended use.

Choose Granddaddy Purple

Choose Granddaddy Purple if you want higher THC potency. 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.

Choose Northern Lights

Choose Northern Lights if you want easier growing. Few strains come with as much widespread renown as Northern Lights, inarguably one of the most popular strains of all time.

Frequently Asked Questions

Common questions about Granddaddy Purple vs Northern Lights

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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