Echinocereus subinermis v. luteusDescription: a beautiful golden-flowered cactus with bluish green, more or less purplish, stems. Old individuals attain a height of 30 cm rarely. Flowers: Flowers pale yellow, delicately sweet-scented, 7 cm. Outer perianth segments streaked with red. Inner perianth segments lemon-yellow, oblanceolate, acute. Filaments light yellow, stigmas deep green.Waterings: Water regularly from March to October. Rot prone in winter, it needs good drainage. Hardiness: It cannot tolerate much frost. Exposition: It does not like full harsh sun.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: This cactus is cultivated and highly priced for its flowers. It is among the easiest species to grow and propagate. Water regularly from March to October. It cannot tolerate much frost and does not like full harsh sun either. Frost Tolerance: Hardy to -2°C.Propagation: Seeds and cuttings. Some of the information in this description has been found at desert-tropicals.com, llifle.com and cactus-art.biz
