Mauto
AutoflowerModernTHC-Dominantevening

Magnum

36%

THC

0.06%

CBD

Top flavors

earthyspicycitrus
CalmingEnergizing

Magnum effects are mostly calming.

Low THCHigh THC

Magnum potency is higher THC than average.

Magnum is a modern auto-flowering cannabis strain developed from Ruderalis genetics. Designed for accessibility, this cultivar is characterized by an easy difficulty rating, making it a viable option for both indoor and outdoor cultivation environments. While the plant maintains a manageable profile, growers should note that it produces a low yield over its 78-day flowering cycle. Its genetic stability has made it a foundational component in modern breeding, serving as a parent to a wide variety of progeny including Afghani Magnum Auto, Auto Cinderella Jack, Forbidden Cookies Kush Auto, Jack Sparrow, Legend Haze Auto, Magnesia Auto, Mangosa Glukies Auto, Maximus, Mimosa Glukies Auto, Sherbet Lemon Kush Auto, Summer Song, and Zkittlez Blood Auto.

The chemical character of Magnum is defined by a complex spectrum of fifteen terpenes, led by a dominant profile of myrcene, caryophyllene, and limonene. This primary triumvirate is supported by tertiary and trace notes of pinene, terpinolene, linalool, beta-pinene, humulene, nerolidol, ocimene, bisabolol, guaiol, camphene, caryophyllene-oxide, and p-cymene. This diverse chemical arrangement creates a nuanced sensory experience that reflects the structural interplay of these distinct aromatic compounds.

As a THC-dominant cultivar, Magnum is sought after for its consistent ability to induce effects that are simultaneously relaxed, happy, and uplifted. These qualities render the strain particularly useful for those seeking support with stress and pain management, as well as those looking for assistance with sleep. Given its reliable performance and documented lineage, Magnum remains a relevant tool for both therapeutic users and those interested in the ongoing development of modern auto-flowering genetics.

Terpene Profile

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

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

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.

~12%

citrus

●●○○

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

Effects

Reported effects — derived from terpene chemistry and cannabinoid profile.

Genetic Profile

Autoflower

Photoperiod-independent. Flowers based on age, not light cycle. Compact and fast.

THC-Dominant

High THC, trace CBD. Psychoactive. Full CB1 agonism — euphoria, appetite, analgesia.

Genealogy

Parentage, ancestry, and genetic relatives of Magnum.

Ancestry

MagnumFull tree →
View full lineage tree →

Composite Traits

Use caution if

daytime-productivitymorning-useevening-wind-down

Where to buy Magnum

No verified dispensaries on file — find it on Leafly.

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What would Magnum × ? 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 Magnum

Similar strains

Same primary terpene with overlapping effects.

Frequently Asked Questions

Is Magnum indica or sativa?

Magnum is modeled here as a autoflower (photoperiod-independent).

What terpene is dominant in Magnum?

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

Is Magnum good for daytime use?

Magnum 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.