—

-It is native of southern Sonora, western Chihuahua, northern Sinaloa (Northern Mexico).

-Echinocereus subinermis is a cactus with the shortest spines in its genus and beautiful, large flowers. Stem grows up to 20 cm tall and 9 cm in diameter; the stem’s color change: at first is light green, it gets bluish green and then dark green at maturity. It has 5-11 narrow ribs and small areoles. Central spine is usually absent, while the radial spines are usually 3-8: these spine are unequal, yelloe and deciduous. Flowers appear in spring and summer seasons: they are large (up to 10-12 cm in diameter), bright-yellow. Only mature plant will start blooming (at 4-5 years old).

-E. subinermis is a very easy plant to grow. It is rot prone, it needs very good drainage. Keep dry in winter and water regularly during spring/summer. It is hardy to -2°C, but only for short period of time. Full, bright sun can damage the plant: put it in partial-shade or under filtered sun.

-Propagate by seeds or cuttings.

-Young plants have short spines, while mature/old ones are almost spineless.