Ferocactus

Ferocactus latispinus

This barrel cactus produces bright white striped blossoms in the summer and spring. It will eventually lean into the direction of sunlight rather than growing perfectly straight up, so keep this lean in mind when planting if you plan to use it in outdoor...

Ferocactus emoryi is a type of barrel cactus that has attractive brown or red curved spines with white tufts. 

Ferocactus glaucescens is a slow growing bluish cactus. It has yellow spines and can produce funnel shaped blooms in spring and summer.