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

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

Plant in full to part sun

but in practice is best grown in a sheltered spot without severe frosts

edible fruit

Growing to nearly 4' tall and 4-5' wide this medium-sized agave will bloom a yellow-green flower that will attract hummingbirds and butterflies

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