Echinopsis is a genus of cacti native to South America, particularly found in regions like Argentina, Bolivia, and Chile. These cacti are known for their beautiful, large flowers that can bloom in various colors, including white, pink, and yellow. They typically have a cylindrical or spherical shape and can grow to be quite large, with some species reaching over a meter in height. Echinopsis species are popular among cactus enthusiasts due to their hardiness and ease of care. They thrive in well-draining soil and require plenty of sunlight. Many species are also known for their ability to produce offsets, allowing them to propagate easily and create stunning displays in gardens or pots.