Ferocactus are a group of cacti that grow into large barrel shapes but are extremely slow growing; most reach 40 to 50cm across in 15 to 30 years. Yellow flowers appear from the centre of older plants in spring.
Ferocactus are a group of cacti that grow into large barrel shapes but are extremely slow growing; most reach 40 to 50cm across in 15 to 30 years. Yellow flowers appear from the centre of older plants in spring.