Verbenone
C10H14OC10, monoterpenoid: lighter, evaporates faster, oxygenated (-ol/-one/-oxide)
Verbenone is a monoterpenoid with a earthy, minty, woody, camphor aroma, the same molecule you smell in rosemary, Spanish verbena and eucalyptus. It is measured on lab reports but rarely the lead terpene.
What is Verbenone?
Verbenone is a bicyclic monoterpene ketone built on the same pinane scaffold as alpha-pinene, but with a carbonyl group that transforms the scent from fresh and piney into something more complex: earthy, faintly minty, with a camphor-like warmth and a slight woody dryness. The formula is C10H14O and the compound is named for the plant genus Verbena, though it is most concentrated in rosemary (up to 15-30% of some rosemary chemotype essential oils) and in some Eucalyptus species.
In cannabis, verbenone appears on extended terpene panels and is occasionally reported in Haze, OG Kush, and some old-world landrace-descended lines. It tends to amplify a strain's earthy, herby depth without adding sweetness.
Aroma and flavor
Verbenone carries a scent profile described as earthy, minty, woody, camphor. Terpenes like this one shape both how a cannabis flower smells and much of its perceived character.
The pantry
Where else Verbenone is found: it is not unique to cannabis and occurs naturally in rosemary, Spanish verbena and eucalyptus. That shared chemistry is why these foods and herbs can smell or taste similar, and it is the easiest way to learn the aroma.
Rarely the lead
Verbenone is measured on lab reports but is not the top terpene of any strain in the WeedCentral catalog today. It shows up as a supporting note behind the leaders.
Commonly associated effects
In cannabis products, Verbenone is commonly associated with the following qualities. These reflect general research and community reports, not guaranteed or medical outcomes.
Rosemary's complex ketone
Most people know rosemary as a culinary herb, but its essential oil is more complex than the kitchen aroma suggests. Rosemary exists in several chemical "chemotypes" — plants that look identical but produce different dominant compounds. The camphor chemotype is rich in camphor and borneol; the cineole chemotype emphasises eucalyptol; and the verbenone chemotype produces rosemary oil where verbenone dominates the ketone fraction. That last type is considered more delicate and less camphoraceous, and it is sought after in aromatherapy and natural cosmetics for its gentler character.
A molecule formed by oxidation
Verbenone is also the primary oxidation product of alpha-pinene. When pinene is exposed to air, ozone, or ultraviolet light, it oxidises stepwise: first to verbenol, then to verbenone. This means that aged or improperly stored cannabis that once showed a clean pine note may develop a camphor-forward verbenone character as the pinene oxidises. That is one reason the same batch of flower can smell differently fresh versus several months later.
Frequently asked questions
What does verbenone smell like?
What is the difference between verbenone and alpha-pinene?
What plants contain verbenone?
Is verbenone common in cannabis?
Where it sits in the garden
Verbenone is a monoterpenoid. These are the other monoterpenoids in the glossary, the molecules built the same way.
Same family: Linalool, Isopulegol, Fenchol, Eucalyptol.
Sources
Educational information only, not medical advice. Terpene and cannabinoid effects are an active area of research and vary by person, product, and dose. Cannabis is for adults 21+ where legal.
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