Cactus propagation. I’ll leave these pieces alone and won’t water them. I didn’t bury the ends, I want them to dry out or callous. They will eventually root directly into the medium. Once they have roots, I can start to lightly water them, making sure they dry out completely in between. Once the roots are established, I can pot these guys up. I can pot up a bunch of individual pots or make arrangements. I might have to make an octopus or something fun. I’m not sure yet. My peanut cactus is growi