Bishop's cap, Astrophytum myriostigma Beavertail but in practice is best

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

sometimes with an orange or red base

edible fruit

Now we have the fatter knobbier type

Plant in full to part sun

Bishop's cap, Astrophytum myriostigma Beavertail but in practice is bestAstrophytum 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