Oreocereus trollii (Old Man of the Mountain Cactus)

Oreocereus trollii, commonly known as Old Man of the Mountain Cactus, is a species of cactus native to Bolivia and Argentina. It is a slow-growing cactus with a columnar body covered in dense white spines that give it the appearance of an old man's beard. This unique and intriguing cactus can reach a height of up to 20 inches and a width of about 8 inches. It blooms during the summer, producing beautiful white or pinkish flowers. This cactus requires well-draining soil and full sun exposure.