Bishop's cap, Astrophytum myriostigma Beavertail Hardiness Zone: USDA Zone 5–11

Hardiness Zone: USDA Zone 5–11 (cold hardy to ~–20°F)

edible fruit

open spreading

flat tubercles with few or no spines

sometimes with an orange or red base

Bishop's cap, Astrophytum myriostigma Beavertail Hardiness Zone: USDA Zone 5–11Astrophytum myriostigma (common names: bishop's cap cactus, bishop's hat or bishop's miter cactus) is a species of cactus native to the highlands of northeastern and central Mexico. Synonyms include Echinocactus myriostigma, Astrophytum prismaticum, A. columnare, A. tulense, and A. nuda. A. myriostigma is a spineless cactus defined by the presence of three to seven (usually five) pronounced vertical ribs which define the cactus' shape when young (the