If you’re looking for some small cacti with unusual shapes and
forms, the bishop’s caps are just the thing. Also known as the
star cactus, there are several species in this group. These are
native to Southwestern U.S., and Mexico. Blooming in late
summer, they are sometimes spiny. Unlike the very tropical
cacti, these can tolerate cooler temperatures during the winter.
The star cactus or bishop’s caps need a coarse, well drained
mix. They need to be kept pretty dry during the winter when they
are resting. If growing outdoors in warm climates, they benefit
from a little partial shade during the hot afternoons.
Otherwise, they need full sun. There are several species of the
bishop’s cap cactus, including the following. Bishop’s cap
(Astrophytum myriostigma) This low growing cactus is noted for
its unusual form. With an overall globular shape, the five ribs
are arranged so they resemble the angles one would see on a
bishop’s miter. Scattered randomly over the surface are tiny
white spots. When the sun is out dur