The flowers are yellow. The flowers are gold. This cactus is good for beginners. This is the familiar cactus shown in western films. It has a solitary trunk and outstretched limbs that resembles arms.
White flowers appear in spring.
It makes a nice container plant when young. Ferocactus have extremely fierce-looking, long and ornamental spines. These cylindrical cacti are usually around 5 to 6 inches in diameter, but can grow up to a foot or more. Large flowers appear in summer on older specimens. The long, hooked flame-red spines of this barrel cacti become very dense with age.