Harle-Tsu is a modern hybrid-sativa variety derived from the parent line Harli-Tsu. This strain is cultivated over a 66-day flowering period and is considered to be of moderate growing difficulty. It performs reliably in both indoor and outdoor environments, consistently producing a high yield for cultivators.

The chemical profile of Harle-Tsu is defined by a complex terpene sequence starting with myrcene, followed by linalool, caryophyllene, ocimene, limonene, humulene, nerolidol, bisabolol, beta-pinene, terpinolene, pinene, caryophyllene-oxide, borneol, and camphene. This broad array of secondary metabolites creates a distinct sensory signature. Patients and enthusiasts should note that the strain is THC-dominant, rather than CBD-dominant as the nomenclature might otherwise imply.

Users of Harle-Tsu report effects centered on creativity, feelings of being uplifted, and euphoria. These characteristics make the strain a suitable choice for scenarios requiring social engagement or sharp focus. Its influence remains visible in its diverse genetic legacy, which includes offspring such as Avicenna, Charlotte's Soda, Electric Soda, Oregon Tsunami, Rango, and TSU.BD Auto F3.