Syd Barrett
Top flavors
Terpenes
Syd Barrett effects are mostly calming.
Syd Barrett
Top flavors
Terpenes
Syd Barrett effects are mostly calming.
Syd Barrett is a modern, hybrid-sativa cultivar bred from Hell's Fire genetics. Intended for consistent performance in both indoor and outdoor environments, this strain is recognized for its moderate growing difficulty and its capacity to produce high yields within a sixty-day flowering period. Its genetic influence is best observed in its notable offspring, Dark Side of the Moon, which continues the lineage established by this parent.
The terpene profile of Syd Barrett is led by a complex sequence of myrcene, terpinolene, and caryophyllene, followed by limonene, ocimene, linalool, humulene, pinene, beta-pinene, bisabolol, guaiol, alpha-terpinene, nerolidol, and camphene. This broad spectrum of compounds governs the strain's specific sensory experience, balancing the earthy and herbaceous qualities of myrcene and humulene with the sharp, floral, and woody notes contributed by terpinolene, limonene, and the various pinene isomers.
As a THC-dominant variety, Syd Barrett is characterized by effects that are primarily creative, uplifted, and euphoric. These physiological and psychological outcomes make the strain well-suited for users seeking to enhance focus, engage in artistic creativity, or navigate social situations. By aligning its chemical profile with these targeted use cases, the cultivar remains a functional choice for those prioritizing an active mental state and sustained motivation.
Terpene Profile
Synergies (+) and conflicts (−) are relative to each other within this profile.
| Terpene | Share | Character | Likely role |
|---|---|---|---|
| myrcene | ~60% | earthy | relaxing · solo |
| terpinolene | ~28% | herbal | creative · social |
| caryophyllene | ~12% | spicy | relaxing · social |
Research notes below describe isolated terpene mechanisms and early findings. They do not guarantee effects from this strain and are not medical advice.
Russo 2011: naloxone-sensitive analgesia, potentiates barbiturate sleep; dominant sedating terpenoid; blocks hepatic carcinogenesis by aflatoxin.
~28%
herbal
●○○○
PMC11060501: antinociception via NO/PGE2/TNF-α inhibition; associated with cerebral sativa profiles; least clinically characterised of major terpenes.
~12%
spicy
●●○○
Russo 2011: only terpene that is a selective full CB2 agonist (100 nM); Gertsch et al. 2008: acts as dietary cannabinoid; unique anti-inflammatory and gastric cytoprotective properties.
Effects
Reported effects — derived from terpene chemistry and cannabinoid profile.
creative
morningAssociated with terpinolene/limonene profiles; dopaminergic and serotonergic modulation via limonene 5-HT1A supports divergent thinking.
uplifted
morningLimonene anxiolytic/antidepressant via serotonin elevation in prefrontal cortex (Russo 2011); mood improvement without full euphoria; key for balanced-1-1 profiles.
happy
anytimeGenetic Profile
Sativa-dominant
Primarily sativa with indica grounding. Uplifting with body relaxation.
THC-Dominant
High THC, trace CBD. Psychoactive. Full CB1 agonism — euphoria, appetite, analgesia.
Genealogy
Parentage, ancestry, and genetic relatives of Syd Barrett.
Ancestry
Great-great-grandparents
Siblings
Share parent hells fire
Offspring — 1 strains bred from Syd Barrett
Composite Traits
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What would Syd Barrett × ? produce?
Predict the terpene profile, effects, and growing traits of a cross. Our gene weaver engine votes on dominant traits from both parents.
Build a cross with Syd Barrett →Similar strains
Same primary terpene with overlapping effects.
Frequently Asked Questions
Is Syd Barrett indica or sativa?
Syd Barrett is modeled here as a sativa-dominant (primarily sativa with indica grounding).
What terpene is dominant in Syd Barrett?
Myrcene is shown as the dominant terpene at approximately ~60%. Terpinolene follows as the secondary terpene.
Is Syd Barrett good for daytime use?
Syd Barrett is versatile and works across different times of day depending on dose and individual response.
How accurate is this data?
See the "Data confidence" card in the sidebar. Terpene profiles and effects are chemistry-informed estimates — individual responses depend on phenotype, source, and personal chemistry.