cactus are really amazing for the qualities, this plant was grafted on pereskiopsis but it died this winter, we left the plant in that position from last winteer and yesterday it was in flower!
(https://lh6.googleusercontent.com/-fVgCBFobM9c/T6-gIMYadrI/AAAAAAAAGFQ/_tPF2FKOqCQ/s512/12052012795.jpg)