Sirius is a modern hybrid whose lineage remains somewhat clouded in mystery. While the strain is recognized as having Chemdog ancestry, its exact origin and the identities of any additional parent varieties are currently undocumented. Because breeders have not publicly confirmed a complete genetic background, the historical development of the strain remains a subject of speculation rather than settled record.

The chemical character of Sirius is defined by a terpene profile lead by caryophyllene, followed by limonene, linalool, humulene, bisabolol, myrcene, beta-pinene, terpinolene, and pinene. Users may encounter an estimated THC content of approximately 28.9 percent, which positions this variety as a potent, THC-dominant hybrid. The sensory experience is informed by this specific terpene array, which dictates the aromatic and flavor nuances expected from the cured flower.

Consumers typically report feeling relaxed, happy, and uplifted after use. These primary effects make the strain a common choice for those seeking relief from symptoms of stress, pain, or difficulty with sleep. Sirius performs well in both indoor and outdoor environments with a flowering time of 67 days and is considered to be of moderate cultivation difficulty, ultimately rewarding the grower with a high yield. There are currently no notable offspring recorded for this variety.