The Leaf Index
Vol. IA field guide to cannabis cultivarsleafly.cc
No. 1537Indica

Black

Undisclosed

Black, also known as Sirius Black, is an indica-leaning hybrid celebrated for its striking near-black pigmentation, a trait stemming from high anthocyanin expression. This cultivar gained recognition for its notable grape and citrus aroma, visually appealing appearance, and relaxing effects.

May help withStress
AromaGrapeBerryCitrusFloralEarthyChocolateCandyCheese

Appearance

Sirius Black plants exhibit broad, indica-like leaflets and a compact, bushy structure, typically growing between 80–120 cm indoors. Its defining characteristic is the intense dark violet to near-black coloration that develops on the flowers and sugar leaves by mid-to-late bloom, often without requiring significant temperature drops. The buds are dense and resinous, contrasting with bright orange pistils.

Aroma and Flavor Profile

The aroma of Sirius Black is often described as predominantly grape, complemented by notes of ripe berry and citrus zest, with a subtle floral undertone. Upon curing, hints of earthy cocoa and black tea may emerge. The flavor profile mirrors the aroma, featuring dark fruit like concord grape and blackberry, followed by candied citrus and a mild spice. A lingering grape-candy aftertaste is commonly reported.

Effects

This strain is known to induce a sense of relaxation and uplifted mood, contributing to a soothing body experience. The effects are generally centered, providing a balanced sensation that is often appreciated by consumers seeking stress relief.

Terpenes and Cannabinoids

Sirius Black typically tests with THC levels ranging from the mid-teens to the low 20s, with CBD content usually below 1%. Key terpenes often associated with this strain include myrcene, caryophyllene, and limonene, which contribute to its relaxing and mood-elevating properties. Other terpenes like linalool, humulene, terpinolene, and ocimene may also be present, influencing the overall sensory experience.

Growing Characteristics

Sirius Black is noted for its genetic predisposition to develop deep coloration, often intensifying even in warmer growing environments. It responds well to generous feeding and typically presents with a modest stretch after the light cycle flip. The dense, resinous buds are visually appealing and favorable for extraction.

Origins and Lineage

Bred in Oregon by the Oregon Breeders Group, Sirius Black gained popularity for its unique dark pigmentation and distinctive aroma. While the exact parentage is not publicly disclosed, its traits suggest a selection process focused on pigment expression, resin production, and a balanced indica-dominant effect profile. It has become more accessible through contemporary seed offerings.

Frequently asked questions

What is the THC content of Sirius Black?
Sirius Black typically has THC levels ranging from 17% to 23%, with some phenotypes reaching up to 26% under optimal conditions.
What are the dominant terpenes in Sirius Black?
The primary terpenes commonly found in Sirius Black are myrcene, caryophyllene, and limonene, contributing to its aroma and effects.
What does Sirius Black smell and taste like?
Sirius Black is known for its grape-forward aroma and flavor, often accompanied by notes of berry, citrus, and sometimes hints of chocolate or cheese.
What are the main effects of Sirius Black?
Users commonly report feeling relaxed and uplifted, with a soothing body sensation that can help alleviate stress.