Why Grafting Cacti is Easy, and the Primary Uses of Pantyhose Keywords from this lesson for you jadrools: *Cortical Bundles *Parenchyma Tissue *Cortex *Scion *Stock *Vascular Ring Why do this? Echinocereus poselgeri is a rare cactus species that can be hard to grow from seed. It is native to South Texas and nowhere near as common in cultivation as it should be. One way to grow a lot of these at once is to graft them, and then cut them off when they are about 6 to 7 inches long and root them as c