Flowers: Canary-yellow delicately sweet-scented, often with some reddish midstripes.
Blooming season: Spring and summer. The individual flowers will last up to six days. Blooming generally begins 4 to 5 years after sowing, as the plant matures.
Cultivation and propagation: This cactus is cultivated and highly priced for its flowers. It is among the easiest species to grow, flower and propagate.
Waterings: Water regularly from March to October. Rot prone in winter, it needs good drainage.
Hardiness: It cannot tolerate much frost.
Frost tolerance: Hardy to -2°C.
Exposition: It does not like full harsh sun. Give it a protected position in the partial-shade or under filtered sun.
Some of the information in this description has been found at desert-tropicals.com, llifle.com and cactus-art.biz
