Birthday Funk is a modern hybrid whose precise history and development remain undocumented. While the strain is listed as having Birthday Cake in its lineage, its broader genetic origins are not public, and breeders have not confirmed the full cross. Because of this lack of verified documentation, the specific circumstances of its creation remain a mystery with no established breeder of record available to verify its foundational background.

The terpene profile of Birthday Funk is characterized by a dominant presence of caryophyllene, followed by pinene, humulene, limonene, myrcene, bisabolol, beta-pinene, and linalool. These components contribute to a complex aromatic experience, though because cannabinoid potency is an estimated 18.6% THC, individual experiences with its sensory intensity may vary. Cultivation of this hybrid is considered of moderate difficulty, requiring a 66-day flowering period. Whether grown in an indoor or outdoor environment, the plant produces a high yield.

Users report that Birthday Funk provides effects categorized as relaxed, happy, and uplifted. These characteristics make it a functional choice for those seeking relief from stress and pain, or for those looking to manage sleep. Currently, there are no recorded or notable offspring documented in the strain's lineage, leaving its genetic legacy isolated to its own distinct expression.