Compare Research Profiles
This Is Why I'm High organizes factual claims, structured attributes, and source records found through public research.
Granddaddy Purple vs Legend OG
See how these research profiles differ in THC, reported effects, terpenes, lineage and source coverage.
Research profiles describe public information, not a specific product, batch or guaranteed experience.
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Choose 2–5 strains. Search by name, or pick from the popularity chart.
Selected strains
Granddaddy Purple
Legend OG
How to Read This ComparisonResearch context, uncertainty, and product limits
Treat Missing Data as Unknown
An empty field is not a zero, a negative result, or proof that a strain lacks that trait.
Expect Product Variation
Names can span different breeders, phenotypes, batches, and labels. This page does not verify a specific product.
At a glance
From each strain's research profile
THC
Legend OG lists the highest THC, at 24.655%.
- Granddaddy Purple20.5%
- Legend OG24.655% (highest)
Reported effects
Every profile reports relaxed, sleepy and euphoric.
RelaxedSleepyEuphoric
- Only Granddaddy Purple
- Nothing unique listed
- Only Legend OG
- Happy
Lead terpene
Each profile leads with a different terpene.
- Granddaddy Purple
- Myrcene
- Legend OG
- Limonene
These are catalog research profiles, not a test of the product in your hand. Scan your label for its real numbers
Side by side
Granddaddy Purple
Legend OG
Indica-DomThis Is Why I'm High Research Profile
Granddaddy Purple
Broad profile28 listed sources
Granddaddy Purple (GDP) is a legendary 70/30 indica-dominant hybrid bred in 2003 from Purple Urkle and Big Bud. Known for its deep purple buds, grape-and-berry flavor, and myrcene-driven sedation, GDP delivers relaxed, euphoric, sleepy effects perfect for unwinding at night. With THC reaching up to 24%, this award-winning classic remains a benchmark for purple strains and heavy-bodied relaxation decades after its debut.
Indica-DomThis Is Why I'm High Research Profile
Legend OG
Broad profile19 listed sources
Legend OG is a potent indica-dominant strain (70/30) from Swamp Boys Seeds, descended from legendary OG Kush genetics. With THC levels reaching 19-30% and a myrcene-dominant terpene profile, this strain delivers powerful full-body relaxation paired with euphoric mental effects. Expect pungent earthy pine aromas with fuel-like undertones, and flavors of sweet citrus and woody herbs. Perfect for evening use, Legend OG excels at melting away pain, stress, and insomnia while inducing deep physical sedation and the munchies. A true legend for those seeking classic OG potency and that coveted couch-lock experience.
Broad profile5/5 areas
- Listed Sources
- 28
- Multiple listed sources
- Profile Updated
- Oct 18, 2026
- This Is Why I'm High record date
Current Limits
All 5 profile areas contain information; individual claims can still vary in support.
Coverage describes this This Is Why I'm High research profile—not product testing, safety, or batch verification.
Broad profile5/5 areas
- Listed Sources
- 19
- Multiple listed sources
- Profile Updated
- Oct 3, 2026
- This Is Why I'm High record date
Current Limits
All 5 profile areas contain information; individual claims can still vary in support.
Coverage describes this This Is Why I'm High research profile—not product testing, safety, or batch verification.
- 1Legendary 2003 indica cross of Purple Urkle and Big Bud with deep purple buds
- 2Myrcene-dominant terpene profile drives heavy, sedating relaxation
- 3Sweet grape and berry flavor with earthy, floral undertones
- 1Powerful 70/30 indica delivering deep body relaxation and euphoric mental lift
- 2Myrcene-dominant terpene profile creates sedative effects perfect for pain and insomnia
- 3Classic OG Kush genetics with pungent pine, fuel, and citrus aromatics
20.5%
THC0.55%
CBDType I(THC-dominant)
Ratio1:37
24.655%Highest
THC1.01%
CBDType I(THC-dominant)
Ratio1:24
Relaxing High
Deep body calm
Balancing High
Steady and easygoing
RelaxedSleepyEuphoric
RelaxedEuphoricHappySleepy
🌙Night
Sleep & BedtimeMedical/TherapeuticStress ReliefRelaxingWatching TV/Movies
🌙Night
Stress ReliefMedical/TherapeuticSleep & BedtimeRelaxing
🧪Myrcene
Aromas
GrapeBerrySweet
Flavors
GrapeBerrySweet
🧪Limonene
Aromas
EarthyPinePungentWoody
Flavors
SweetPineWoody
Take this comparison further
A research profile describes a strain across the whole market. These tools get closer to what is in your jar and what works for you.
- Scan the label on your jar Photograph a product label to read its real terpene and cannabinoid numbers and its High Family.
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- Pick from the popularity chart Start with the most-recognized strains, ranked from awards and editorial lists.
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