S4hybrid-sativa
Hybrid-SativaModernTHC-Dominantmorning

SPF 420

Top flavors

citrussweetspicy
CalmingEnergizing

SPF 420 effects are mostly energizing.

SPF 420 is a modern hybrid-sativa cultivar derived from the genetics of Eternal Sunshine. Requiring a moderate level of expertise, this strain thrives in both indoor and outdoor environments, rewarding cultivators with a high yield after a 77-day flowering period. Its unique genetic footprint has established it as a stable foundation for further breeding, having produced notable offspring such as Hazy Bong Water F1 and Sun Baked 78’.

The chemical profile of SPF 420 is marked by a complex terpene sequence starting with primary limonene, followed by ocimene and caryophyllene, with beta-pinene, humulene, linalool, pinene, myrcene, caryophyllene-oxide, camphene, terpinolene, nerolidol, bisabolol, guaiol, p-cymene, gamma-terpinene, and geraniol rounding out the profile. This diverse composition results in a nuanced sensory experience defined by these aromatic compounds, which interact to create the distinct profile associated with this thc-dominant hybrid.

Users of SPF 420 report effects characterized by heightened creativity, uplifted mood, and euphoria. Due to these qualities, the strain is well-suited for social situations, tasks requiring sustained focus, and activities that benefit from an open, inventive mindset. The lasting influence of its genetics remains evident in the industry through its continued utilization in progeny development.

Terpene Profile

Synergies (+) and conflicts (−) are relative to each other within this profile.

limonene ~60%ocimene ~28%caryophyllene ~12%
TerpeneShare
limonene~60%
ocimene~28%
caryophyllene~12%

Research notes below describe isolated terpene mechanisms and early findings. They do not guarantee effects from this strain and are not medical advice.

~60%

citrus

●●○○

Russo 2011: increases serotonin in prefrontal cortex + dopamine in hippocampus via 5-HT1A; Johns Hopkins 2024: significantly reduced anxiety vs THC alone.

~28%

sweet

●○○○

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.

~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.

Genetic Profile

Sativa-dominant

■ Indica 30%■ Sativa 70%

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 SPF 420.

Composite Traits

Use caution if

sleep-seekingevening-wind-downpain-reliefanxiety

Where to buy SPF 420

No verified dispensaries on file — find it on Leafly.

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What would SPF 420 × ? 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 SPF 420

Similar strains

Same primary terpene with overlapping effects.

Frequently Asked Questions

Is SPF 420 indica or sativa?

SPF 420 is modeled here as a sativa-dominant (primarily sativa with indica grounding).

What terpene is dominant in SPF 420?

Limonene is shown as the dominant terpene at approximately ~60%. Ocimene follows as the secondary terpene.

Is SPF 420 good for daytime use?

SPF 420 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.