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OG Chem
OG Kush × Chemdawg — the foundational gas-cohort cross.
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OG Chem is the direct cross of OG Kush and Chemdawg — two of the most-influential strains in modern cannabis combined. Distinct from Chemdawg itself (Chemdawg is one of the parents OF OG Kush, so OG Chem loops back on the family tree); shelves carry it as its own labeled strain rather than under either parent's name. Heavy gas-and-fuel aroma, hybrid effect that runs slightly indica on most phenos. Both parents already corpus members.
Live inventory
In stock today
3 OG Chem-related products available at Seattle Cannabis Co. right now.
Genetics
Family tree
OG Chem's parents, descendants, and sister strains in the catalog.
Sister strains (share a parent)
Aromatic chemistry
Terpene profile
Caryophyllene
lead — gas-pepper backbone from both parents
Limonene
OG citrus brightness
Myrcene
kush earthiness
Customers often describe
RelaxedHappyEuphoricSleepy
Aroma + flavor
Diesel fuelPine kushEarthy citrus
Best for
- ✓ Gas-cohort regulars
- ✓ OG Kush + Chemdawg crossover fans
- ✓ Evening rotation
Be cautious if
- ! You want sweet dessert-cohort character
- ! Fuel aromas put you off
Frequently asked about OG Chem
Is OG Chem the same as Chemdawg?
No — they're closely related but distinct. Chemdawg is one of the original parents that produced OG Kush (per the most-cited OG Kush origin story). OG Chem is then the cross of OG Kush back to Chemdawg, which loops on the family tree but creates its own labeled cut. Different strain pages, related lineage.
Why cross two strains that are already related?
Backcrossing (and near-backcrossing) is a breeder technique that stabilizes specific traits. By crossing OG Kush back into one of its own parents, breeders push the genetics toward the Chemdawg side more strongly than the original OG Kush phenotype expressed. The result is heavier on gas-fuel character than straight OG Kush.
How does OG Chem smell compared to OG Kush?
Heavier on the fuel-diesel side. OG Kush has a piney-kush base with citrus brightness; OG Chem amplifies the diesel character (from the Chemdawg reinforcement) while keeping the OG pine. Closer to straight Chemdawg's nose than to OG Kush's nose.
Is OG Chem an alias for Chemdawg or a separate strain?
Separate strain. Some growers casually use 'Chem' as shorthand for Chemdawg, but 'OG Chem' specifically refers to the OG Kush × Chemdawg cross. If a budtender says 'OG Chem,' they mean the cross — not the original Chemdawg.
Other hybrid strains worth a look
OG Kush
The West Coast classic — lemon, diesel, kush funk on the finish.
Chemdawg × Hindu Kush (debated)
Bruce Banner
Hard-hitting sativa-leaning hybrid named for the Hulk.
OG Kush × Strawberry Diesel
Headband
Indica-leaning hybrid named for the 'headband' sensation around the temples.
OG Kush × Sour Diesel
Tahoe OG
Heavy OG-family hybrid out of Lake Tahoe — body-focused.
OG Kush phenotype (SFV OG × OG Kush, debated)
Chemdawg 4
Chemdawg phenotype — diesel-heavy, classic hybrid.
Chemdawg phenotype (bagseed origin)
OG Diesel
OG Kush × Sour Diesel — classic California hybrid.
OG Kush × Sour Diesel
Verified May 27, 2026 against 2 sources.
21+. Cannabis affects people differently — your experience may vary. Not medical advice. Effects described are common customer reports, not promises. Seattle Cannabis Co., Seattle, WA.