Welcome to the fascinating world of cacti! If you're looking for a striking and unique addition to your plant collection, look no further than the Ferocactus histrix, a vibrant member of the genus Ferocactus. Native to Mexico, it is known by several common names Biznaga barril de acitron, candy barrel cactus, candy cactus, electrode cactus, and Mexican barrel cactus.  

This Mexican cactus belongs to the family Cactaceae and is characterized by its barrel-shaped bluish-green stem covered in spines. This Ferocactus cactus can grow up to 3 feet tall and 2 feet wide, with ribs that are lined with sharp, yellowish-red spines. 

Ferocactus histrix is known for its ability to adapt to arid desert environments. It has a deep root system that allows it to absorb water from deep within the soil. This cactus also has a thick, waxy outer layer that helps to prevent water loss through evaporation. This slow-growing cactus initially grows as a globular and then columnar cactus. 

In the wild, Ferocactus histrix blooms with vibrant yellow or orange funnel-shaped flowers that emerge from the top of this Ferocactus cactus. These barrel cacti flowers attract pollinators such as bees and butterflies. After flowering, the Mexican cactus produces small, edible fruits that are often enjoyed by birds and other desert animals.

As a popular ornamental cactus, Ferocactus histrix is often cultivated in gardens and landscapes. It requires well-drained, specialized cactus potting soil and plenty of full sunlight to partial shade to thrive. It can be grown outdoors in USDA zones 9-11. However, it is important to handle this cactus with care due to its sharp spines. This Mexican cactus can be easily propagated by seeds in the spring growing season. 

Overall, Ferocactus histrix is a fascinating and resilient globular cactus species that adds a touch of beauty to arid landscapes while adapting to harsh desert conditions.