The Leaf Index
Vol. IA field guide to cannabis cultivarsleafly.cc
No. 7777Indica

Sirius Black

Unknown Indica Lineages × Possible Afghan/Pakistani Ancestry

Sirius Black is a visually striking, indica-leaning cultivar recognized for its deep, almost black flowers and rich grape-berry flavor profile. It is often favored as a nighttime or wind-down option due to its resin production and comforting effects.

EffectsRelaxing Happy Hungry Mood-lifting Physically Comforting
May help withStress
AromaBerryGrapeDark FruitSpiceEarthForest FloorCocoa

Appearance

The most notable characteristic of Sirius Black is its intense coloration, ranging from deep plum to nearly black on its calyxes and sugar leaves. This dark hue is often accentuated by cooler night temperatures during the late flowering stage. The plant typically exhibits indica-like growth, with a compact to medium stature and short internodal spacing, producing dense, resinous flower clusters.

Aroma & Flavor

Sirius Black's aroma is a complex blend of dark fruit notes, including grape candy, blackcurrant, and ripe berries, layered over earthy, spicy, and sometimes cocoa-like undertones. Upon combustion or vaporization, the flavor mirrors the aroma, leading with dark grape and blueberry notes, followed by lingering peppery spice and subtle herbal or floral nuances.

Effects

Consumers commonly report that Sirius Black delivers relaxing and mood-lifting effects, often described as happy and physically comforting. It is frequently chosen for evening use or as a way to unwind after a long day.

Terpenes & Cannabinoids

While specific cannabinoid percentages can vary, Sirius Black typically tests between 15-25% THC and contains less than 1% CBD. The terpene profile is rich, with dominant notes of Myrcene, Limonene, and Caryophyllene, contributing to its distinct aroma and flavor. Other terpenes like Linalool, Humulene, and Nerolidol may also be present, influencing the overall sensory experience.

Origins & Lineage

The exact genetic lineage of Sirius Black is not definitively documented, a common trait for legacy cannabis cultivars. It is widely believed to originate from purple-dominant indica lineages, possibly with Central or South Asian heritage, such as Afghan or Pakistani varieties. Hypotheses suggest potential influence from strains like Black Domina or Pakistani Chitral Kush due to its dark pigmentation and grape-like terpene profile. Its modern popularity gained traction in the Pacific Northwest in the early to mid-2010s.

Cultivation

Sirius Black is generally considered to be moderately difficult to grow, requiring attentive feeding and optimal lighting conditions. It is known to be nutrient-hungry and responsive to high-intensity light, rewarding careful cultivation with robust growth and significant resin yields. The plant's morphology lends itself well to training techniques that promote an even canopy.

Frequently asked questions

What is the THC content of Sirius Black?
Sirius Black typically has a THC content ranging from 15% to 25%.
What are the primary aromas and flavors of Sirius Black?
Sirius Black is known for its strong aromas and flavors of dark berries, grape candy, spice, and earthy notes.
What effects can I expect from Sirius Black?
Users often report relaxing, happy, and physically comforting effects, making it suitable for evening use.
Is Sirius Black an indica or sativa?
Sirius Black is considered an indica-leaning hybrid strain.