Trichocereus pachanoi (Mexican Fence Post Cactus)

Trichocereus pachanoi, also known as the Mexican Fence Post Cactus, is a columnar cactus species that is native to the Andes of Peru and Ecuador. It typically has a bluish-green coloration and is characterized by its numerous ribs that are evenly spaced along its upright stem. The cactus can grow up to 20 feet tall and 6 feet wide and features large, white flowers that bloom at night. It is a low-maintenance plant that thrives in full sun and well-draining soil.