The Echinopsis pachanoi, commonly called San Pedro cactus or wachuma, is a spiny columnar cactus native to the Andean mountain range. It grows at a variety of altitudes between 1000 and 3000 meters. Despite this, like many other cacti and succulents, it is an extraordinarily resistant plant whose use has now spread throughout the world and requires the little care to cultivate. It is a plant much appreciated for its ornamental value and is frequently used in traditional Andean medicine. In this article, we will see the care of the San Pedro cactus.