Echinocereus viridiflorus Crassulaceae Astrophytum asterias 'Fukuryu' The Japanese

Astrophytum asterias 'Fukuryu'  The Japanese Sea Urchin cactus

I know many of you live in cold winter climates

giving a very attractive caudiciform look (see last picture)

with thick

Water when the soil dries out in the summer and keep drier in the winter

Echinocereus viridiflorus Crassulaceae Astrophytum asterias 'Fukuryu' The JapaneseEchinocereus viridiflorus A small, attractive native US species with yellow green flowers. The plant is short columnar, clumping, and rarely more than 6" tall. The spines are white and red. This is the smallest form of the species. One of the most notable feature of this species is its cold hardiness. This plant is native from northern Mexico all the way north to Wyoming. It is hardy to zone 4 ( 30F). However, care should be taken in places with wet