Blue Monster is a modern hybrid cannabis strain derived from a genetic lineage of Blueberry, Northern Lights #5, and a Mexico-Sativa landrace. Suited for both indoor and outdoor cultivation, the plant reaches maturity after a 63-day flowering cycle. It is categorized as a moderate difficulty grow, yet it is notable for producing a high yield. Its progeny has expanded through several variations, including Black n' Blue Monster, Incredible Blue, and both the Mataró Blue and Mataro Blue phenotypes.

The complex terpene profile of Blue Monster is led by myrcene, followed by terpinolene, caryophyllene, limonene, ocimene, and linalool. This chemical matrix is rounded out by lower concentrations of humulene, pinene, beta-pinene, bisabolol, guaiol, alpha-terpinene, nerolidol, and camphene. This specific combination of compounds creates a sensory experience that reflects the diversity of its parentage, blending the distinct aromatic contributions of its sativa and indica heritage.

As a THC-dominant cultivar, Blue Monster generates effects described primarily as relaxed, happy, and uplifted. These characteristics make it a functional choice for users seeking relief from stress and pain, or aid in managing sleep. Its influence on the cannabis landscape is evidenced by its direct genetic legacy in strains such as Mataró Blue and the other listed offspring, ensuring its sustained presence in modern breeding programs.