Acharagma roseanum is a succulent cactus native to a small area of mountains of southeastern Coahuila and Nuevo León, Mexico.

It grows on rocky limestone hills and xerophytic shrubland.

[3] Acharagma roseanum is widespread in the Mexican states of Coahuila, Nuevo León and San Luis Potosí.

[4] The specific epithet roseanum honors the American botanist Joseph Nelson Rose.

Edward Frederick Anderson placed the species in the genus Acharagma in 1999.