Chamaelobivia (Peanut Cactus) "Firecracka" Cactus Seeds (100 Seeds). Chamaelobivia (Peanut Cactus) "Firecracka" is a prized, small-growing cactus, forming miniature spiked cones from which huge flowers bloom in the late spring and summertime. When in bloom, this species produces amazing vibrantly colored funnel-shaped flowers at the end of bright green stems. Orange and Red are the most common colors for the flowers.