What is the main difference between Granddaddy Purple and Jack Herer?

Granddaddy Purple is a Indica strain (80% Indica / 20% Sativa) with THC levels of 20–27%, while Jack Herer is a Sativa strain (20% Indica / 80% Sativa) with THC levels of 15–24%.

Which strain has higher THC — Granddaddy Purple or Jack Herer?

Granddaddy Purple has higher THC at 20–27%, compared to Jack Herer at 15–24%.

What effects does Granddaddy Purple have compared to Jack Herer?

Granddaddy Purple produces sleepy, relaxing, hungry, euphoric, happy effects, ideal for evening use. Jack Herer produces focused, energetic, creative, euphoric, focus effects, best for morning use.

What terpenes are in Granddaddy Purple and Jack Herer?

Granddaddy Purple features Myrcene, giving it berry, fruity, grape flavors. Jack Herer features Terpinolene, with citrus, lemon, orange flavors.

Which medical conditions can Granddaddy Purple and Jack Herer help with?

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

Strain Encyclopedia

Granddaddy Purple

Indica — THC 27%

Jack Herer

Sativa — THC 24%

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

Home/Strain Comparisons/Granddaddy Purple vs Jack Herer

Quick Verdict

Who wins in each category?

⚡

Potency

Granddaddy Purple

🏥

Medical

Granddaddy Purple

🌱

Growing

Tie

🍋

Flavor

Jack Herer

Strain Profile Comparison

Six-axis profile overlay — see where each strain excels

Granddaddy Purple

Jack Herer

Effect Matchup

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

Granddaddy Purple

Effect

Jack Herer

68%

Euphoric

68%

100%

Sleepy

88%

Relaxing

77%

Hungry

60%

Happy

Focused

100%

Energetic

88%

Creative

77%

Focus

60%

Social

53%

Uplifting

46%

Cerebral

41%

1 shared effect highlighted

Granddaddy Purple — Potency

THC0%

CBD0%

Potency LevelStrong

Jack Herer — Potency

THC0%

CBD0%

Potency LevelModerate

Purple Urkle x Big BudGranddaddy Purple

Indica 80%Sativa 20%

Haze x Northern Lights #5 x Shiva SkunkJack Herer

Indica 20%Sativa 80%

Side-by-Side Specs

Green highlight indicates the superior value

Granddaddy Purple

Profile Comparison

Shared (1)

Euphoric

Only Granddaddy Purple (4)

SleepyRelaxingHungryHappy

Only Jack Herer (7)

FocusedEnergeticCreativeFocusSocialUpliftingCerebral

Possible Side Effects

Shared

Dry mouthDry eyes

Only Granddaddy Purple

Dizzy

Only Jack Herer

Anxious

Growing Guide Comparison

Granddaddy Purple

Flowering7-9 weeks

PhotoperiodPhotoperiod

Growing MethodIndoor, Outdoor

Jack Herer

Flowering8-10 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.

Jack Herer

Sativa 20/80 — THC 15–24%

Jack Herer, also known as “The Jack,” “JH,” “Premium Jack” or “ Platinum Jack” is a sativa dominant hybrid strain (80% sativa/20% indica) created through crossing the classic Haze X ( Northern Lights #5 X Shiva Skunk) strains. One of the most famous buds on the planet, Jack Herer packs a lifted and energizing high that's perfect for a day when you need a little extra oomph to get up and moving.

You'll feel the effects hit you almost as soon as you exhale, filling your brain with a lifted sense of clear-headed euphoria and motivation that's accented by a boost in creativity and focus.

Which One Is Right for You?

Granddaddy Purple and Jack Herer are both excellent strains with distinct characteristics. Granddaddy Purple is a Indica with 20–27% THC, while Jack Herer is a Sativa with 15–24% 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, 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.

Choose Jack Herer

Choose Jack Herer if you want more cerebral/uplifting effects. Jack Herer, also known as “The Jack,” “JH,” “Premium Jack” or “ Platinum Jack” is a sativa dominant hybrid strain (80% sativa/20% indica) created through crossing the classic Haze X ( Northern Lights #5 X Shiva Skunk) strains.

Frequently Asked Questions

Common questions about Granddaddy Purple vs Jack Herer

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