F-13
Top flavors
F-13 effects are mostly calming.
F-13 is a modern, hybrid-sativa cultivar developed from the Floral Line. Known for its specific development characteristics, this strain requires a moderate level of expertise from cultivators, who can expect a high yield from plants that complete their flowering cycle in 56 days. The variety is versatile and thrives in both indoor and outdoor growing environments. According to lore, this strain is celebrated for its precise structural consistency and balanced growth patterns that favor high-production environments.
The aromatic and flavor profile of F-13 is defined by a complex synthesis of twelve distinct terpenes, led by the earthy and herbal dominance of myrcene, followed by pinene and ocimene. This base is further nuanced by limonene and caryophyllene, while trace notes of beta-pinene, linalool, humulene, guaiol, bisabolol, nerolidol, and camphene complete the nuanced olfactory experience. This broad terpene spectrum provides a layered sensory profile that is chemically anchored in its THC-dominant cannabinoid composition.
Users of F-13 typically report that the strain produces creative, uplifted, and euphoric effects, making it a functional choice for social settings, enhancing focus, or supporting artistic productivity. The genetic influence of F-13 continues to shape the industry through its notable offspring, which include Blue Sting, Blue V2, Cookies Meets Sativa, DF13 Haze, Diesel Berry, Formula-17, Midnight Frost, OGF13, Oil Can, P.O.H., Ruby Rose, and Sacacandy. These descendants demonstrate the lasting impact of the hybrid-sativa lineage on modern cannabis hybridization.
Terpene Profile
Synergies (+) and conflicts (−) are relative to each other within this profile.
| Terpene | Share | Character | Likely role |
|---|---|---|---|
| myrcene | ~60% | earthy | relaxing · solo |
| pinene | ~28% | pine | focus · creative |
| ocimene | ~12% | sweet | energetic · 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.
Russo 2011: acetylcholinesterase inhibitor (IC50 0.44 mM) counteracting THC-induced short-term memory deficits; most widely encountered terpenoid in nature; anti-inflammatory via PGE-1.
Antifungal, antiviral, decongestant; activates CB1/CB2 at 10–60% THC efficacy per Israeli receptor study (NORML 2025); highly volatile (bp 50–66°C); limited clinical data.
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 F-13.
Ancestry
Siblings
Share parent floral line
Offspring — 6 strains bred from F-13
Composite Traits
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What would F-13 × ? 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 F-13 →Similar strains
Same primary terpene with overlapping effects.
Frequently Asked Questions
Is F-13 indica or sativa?
F-13 is modeled here as a sativa-dominant (primarily sativa with indica grounding).
What terpene is dominant in F-13?
Myrcene is shown as the dominant terpene at approximately ~60%. Pinene follows as the secondary terpene.
Is F-13 good for daytime use?
F-13 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.