X13 is a modern hybrid-indica cultivar derived from G-13. It is a THC-dominant variety that has served as a productive genetic component in contemporary breeding programs. As a result of its stable lineage, X13 has contributed to the development of notable offspring including BubbaX, Thailand - Sativa, and Yeah Buddy. Cultivators can expect a moderate level of difficulty when growing this strain, which thrives in both indoor and outdoor environments, yielding high quantities of flower after a flowering period of approximately 60 days.

The terpene profile of X13 is defined by a complex arrangement of aromatic compounds, led by caryophyllene, pinene, and humulene. This primary structure is rounded out by a sequence of myrcene, limonene, beta-pinene, caryophyllene-oxide, linalool, eucalyptol, nerolidol, camphene, ocimene, and finally terpinolene. This specific chemical composition provides the strain with its distinct sensory profile, characterized by the woody, spicy, and sharp notes inherent to its dominant, secondary, and tertiary terpene hierarchy.

Physiological effects of X13 are reported as relaxed, calm, and focused. These qualities make the strain a candidate for addressing concerns related to pain, stress, and sleep. Beyond its immediate utility for users, the strain maintains a relevant position in botanical history through its established legacy in supporting cross-breeding projects that have produced several varied, recognizable lines of cannabis.