Paper-Spined Cholla (Tephrocactus articulatus var.… Arizona Fishhook cactus (Mammillaria grahamii) Gray Ghost Organ Pipe (Stenocereus pruinosus) Boxing Glove cholla (Cylindropuntia fulgida var. m… Opuntia Stricta flower nothing but heart Peruvian Apple Cactus flower Peruvian Apple Cactus flower The Short-hair Club James Turrell installation at ASU Night bloom at Virgil's garden @ Aside of Heart scaregrow at the Heard le chat Spruce Cone cactus (Tephrocactus articulatus var.… Peruvian Apple cactus (Cereus repandus) Coastal Prickly Pear (Opuntia stricta) Cactus garden progress 5/5/14 String of Buttons (Crassula perforata) Golden Sedum (Sedum adolphii) Fairy Castle cactus (Cereus tetragonus ) Euphorbia echinus Boxing Glove cholla (Cylindropuntia fulgida var. m… Blue Rose (Echeveria imbricata) Easter Lily cactus flower Emory's Barrel Cactus (ferocactus emoryi rectispin… Easter Lilly cactus flower (Echinopsis oxygona) Torch cactus flower Pringle's Pincushion (Mammillaria pringlei) Strawberry Hedgehog (Echinocereus stramineus) Golden Lace Cactus (Mammillaria elongata) Prickly Pickle (cylindropuntia family) Blue Pickle (senecio mandraliscae) Breaking new ground