Trichocereus pachanoi, also known as the San Pedro cactus, is a species of cactus native to the Andean mountains of South America, particularly in Ecuador, Peru, and Bolivia. It is a columnar cactus that can grow up to 6 meters (20 feet) tall and 15-20 cm (6-8 inches) in diameter.
The stem of the Trichocereus pachanoi cactus is light to dark green and has 6 to 8 ribs with areoles along the ridges that produce clusters of spines. The cactus produces white or yellowish-white flowers, which can be up to 22 cm (8.6 inches) long and 20 cm (7 inches) wide. The fruit of the cactus is a small, greenish-brown berry that contains numerous small black seeds.
Trichocereus pachanoi has been used for centuries by indigenous peoples in traditional medicine and religious practices. It has a cultural background of thousands of years among the Andean cultures.
The San Pedro cactus is easy to grow and can be propagated by cuttings. It prefers well-drained soil and plenty of sunlight. The cactus can be grown both indoors and outdoors in warm climates.
Trichocereus pachanoi is a popular ornamental cactus and is often grown for its beautiful appearance and variety.