BRhybrid

Black Runtz

25.6%

THC

Top flavors

earthycitrusspicy
CalmingEnergizing

Black Runtz effects are mostly calming.

Low THCHigh THC

Black Runtz potency is higher THC than average.

Black Runtz is a modern hybrid cannabis strain resulting from a cross between the well-known varieties Runtz and Zkittlez. Developed for those who prefer high-potency options, this hybrid is designed for cultivation in both indoor and outdoor environments. Growers can expect a moderate level of difficulty when managing its development, with a flowering period that typically concludes within 60 days. The plants are recognized for their high production capacity, consistently delivering substantial yields for cultivators who maintain proper conditions.

The chemical profile of Black Runtz is defined by a complex terpene hierarchy, led by the dominance of myrcene, followed by limonene, caryophyllene, humulene, beta-pinene, linalool, pinene, and bisabolol. This multi-layered combination dictates the sensory experience, balancing earthy and grounding notes with citrus-forward bright accents and a spiced, woody undertone. These compounds work in concert to produce an aromatic and flavor profile that reflects the nuance of its lineage, emphasizing the chemical depth present in its terpene composition.

As a THC-dominant variety, Black Runtz tests at approximately 28.9% THC with virtually no CBD content. Users report that the consumption of this flower generates effects primarily characterized by feelings of relaxation, happiness, and an uplifted mood. These specific properties make it a candidate for individuals seeking to manage stress, alleviate pain, or improve sleep quality. While it remains a distinct standout in the current market, there are currently no recorded offspring strains developed from this genetic line.

Terpene Profile

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

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

earthy

●●●○

Russo 2011: naloxone-sensitive analgesia, potentiates barbiturate sleep; dominant sedating terpenoid; blocks hepatic carcinogenesis by aflatoxin.

~28%

citrus

●●○○

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

~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

Balanced Hybrid

■ Indica 50%■ Sativa 50%

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 Black Runtz.

Ancestry

Black RuntzFull tree →
View full lineage tree →

Composite Traits

Use caution if

evening-wind-downdaytime-productivity

Where to buy Black Runtz

No verified dispensaries on file — find it on Leafly.

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What would Black Runtz × ? 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 Black Runtz

Similar strains

Same primary terpene with overlapping effects.

Frequently Asked Questions

Is Black Runtz indica or sativa?

Black Runtz is modeled here as a balanced hybrid (equal indica and sativa genetics).

What terpene is dominant in Black Runtz?

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

Is Black Runtz good for daytime use?

Black Runtz 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.