Mexican fire barrel cactus (Ferocactus pilosus)

 The cactus in the image is a Mexican fire barrel (Ferocactus pilosus), also known by the synonym Ferocactus stainesii or Ferocactus pringlei. Key Details

• Appearance: This species is noted for its striking, dense, and bright red spines that contrast with the deep green barrel or columnar body of the cactus. It is often covered in numerous white, hair-like bristles.
• Growth Habit: It typically grows as a simple, unbranched barrel shape when young but can form large clumps of several barrels as it ages.
• Habitat: It is endemic to several central states of northern Mexico, where it grows on rocky limestone hillsides in semi-desert environments.
• Care: It requires full sun exposure for the best spine color and appearance, thrives in well-drained, gritty soil, and needs minimal water once established.