How to Grow Cephalocereus – Old Man Cactus
Cephalocereus is a genus of tall columnar or branching cacti that are usually covered with long, white, woolly hair. The white, woolly appearance of Cephalocereus gives rise to its common name, old man cactus. It is one of the most popular cacti for beginning growers. Mature Cephalocereus in optimal conditions can grow to 40 feet…