Astrophytum ornatum Mesemb The individual heads are just

The individual heads are just an inch or two across

especially as the plant matures

Inflorescence red to orange with purple-blue flowers

adding some branches as it matures

Likes cool weather but protect from frost

Astrophytum ornatum Mesemb The individual heads are justAstrophytum ornatum Family: Cactaceae. A close relative of the Bishop's Cap cactus (A. myriostigma). The plant is strongly ribbed and covered with white felt. Unlike the Bishop's Cap this species forms numerous yellow spines. For several years the plant will grow bigger in a globular form, but will eventually become upright. Very old specimens can reach 6' or more. Don't worry if you have limited space, it can live in a 6" pots for many, many years