Testarossa is a modern hybrid-indica cultivar bred from the combination of The Original Z and Magnum Opus. It is a productive plant that reaches maturity after a 58-day flowering period. Suitable for cultivation in both indoor and outdoor environments, this strain is considered to have a moderate difficulty level and offers a high yield potential for consistent growers.

The aromatic and flavor profile of Testarossa is defined by a complex chemical composition, led by a dominant base of myrcene. This is balanced by a secondary presence of caryophyllene and limonene, complemented by tertiary notes of pinene, linalool, terpinolene, and humulene. The profile is further nuanced by trace amounts of beta-pinene, nerolidol, ocimene, guaiol, and bisabolol, resulting in a multifaceted sensory experience.

As a THC-dominant cultivar, Testarossa is characterized by effects that facilitate a sense of relaxation, calm, and focus. These properties make it a frequent choice for users managing pain, stress, or sleep-related symptoms. The genetic impact of the strain is further evidenced by its notable offspring, which includes Great Success, Hula Hoops, Pagani Zilvertip, Rosso Corsa, and the backcross The Original Z x Testarossa.