Grandpa's Breath F2
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Terpenes
Grandpa's Breath F2 has balanced effects.
Grandpa's Breath F2
Grandpa's Breath F2 is a modern cannabis hybrid developed through the selective breeding of its predecessor, Grandpa's Breath. Designed for cultivators seeking high-yield capacity, this variety is classified as moderately difficult to grow and performs consistently in both indoor and outdoor environments. With a flowering cycle of 60 days, the strain demonstrates stable genetic traits derived from its parentage, serving as a reliable foundation for its diverse progeny.
The terpene profile of Grandpa's Breath F2 is defined by the dominance of caryophyllene, followed by limonene, myrcene, and beta-pinene. Smaller concentrations of linalool, humulene, pinene, terpinolene, bisabolol, and caryophyllene-oxide contribute to the internal complex chemistry of the plant. These compounds work in concert to create the distinct aromatic and flavor profile associated with this hybrid, balancing spicy, citrus, and earth-driven notes that resonate throughout the palate.
As a THC-dominant variety, the effects of Grandpa's Breath F2 are characterized by a sense of relaxation, happiness, and an uplifted state of mind. It is frequently utilized to assist in the management of stress, pain, and sleep-related concerns. The lasting influence of this strain is evidenced by its significant genetic footprint, having been used to create notable offspring including Brr OG, Cotton Candy Machine, Khem Kardashian, Orange Scream, Panna Cotta, Peanut Butter Cups, Pin Up Girl, and Swamp Thing.
Terpene Profile
Synergies (+) and conflicts (−) are relative to each other within this profile.
| Terpene | Share | Character | Likely role |
|---|---|---|---|
| caryophyllene | ~60% | spicy | relaxing · social |
| limonene | ~28% | citrus | social · creative |
| myrcene | ~12% | earthy | relaxing · solo |
Research notes below describe isolated terpene mechanisms and early findings. They do not guarantee effects from this strain and are not medical advice.
~60%
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.
Russo 2011: increases serotonin in prefrontal cortex + dopamine in hippocampus via 5-HT1A; Johns Hopkins 2024: significantly reduced anxiety vs THC alone.
Russo 2011: naloxone-sensitive analgesia, potentiates barbiturate sleep; dominant sedating terpenoid; blocks hepatic carcinogenesis by aflatoxin.
Effects
Reported effects — derived from terpene chemistry and cannabinoid profile.
relaxed
eveningPrimary endpoint of myrcene+linalool sedating combinations; GABA modulation is the dominant mechanistic driver.
happy
anytimeuplifted
morningLimonene anxiolytic/antidepressant via serotonin elevation in prefrontal cortex (Russo 2011); mood improvement without full euphoria; key for balanced-1-1 profiles.
Genetic Profile
Balanced Hybrid
Equal indica and sativa genetics. Balanced body and mind effects.
THC-Dominant
High THC, trace CBD. Psychoactive. Full CB1 agonism — euphoria, appetite, analgesia.
Genealogy
Parentage, ancestry, and genetic relatives of Grandpa's Breath F2.
Ancestry
Great-grandparents
Siblings
Share parent grandpas breath
Offspring — 7 strains bred from Grandpa's Breath F2
Composite Traits
Where to buy Grandpa's Breath F2
No verified dispensaries on file — find it on Leafly.
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What would Grandpa's Breath F2 × ? produce?
Predict the terpene profile, effects, and growing traits of a cross. Our gene weaver engine votes on dominant traits from both parents.
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Frequently Asked Questions
Is Grandpa's Breath F2 indica or sativa?
Grandpa's Breath F2 is modeled here as a balanced hybrid (equal indica and sativa genetics).
What terpene is dominant in Grandpa's Breath F2?
Caryophyllene is shown as the dominant terpene at approximately ~60%. Limonene follows as the secondary terpene.
Is Grandpa's Breath F2 good for daytime use?
Grandpa's Breath F2 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.