Columnar cactus can be duplicated by cutting sections and rooting them on their own. This allows other gardens to grow the cloned cactus for themselves. We call this cutting propagation. As the Why does my calathea have brown spots? keep your plants alive Did you know there were so many calathea varieties?? Here are a couple samples I found on Google. I want to see pics of yours!!! #plantidentification #calathea #calathealove Dracaena Marginata verliert komisch verfrbte Bltter Hausgarten.net Tohoee Knstliche Efeu, 40 m, Rattan, Grn, knstliche Pflanzen, Efeu, Rebe, fr Dekoration, Kranz, Basteln, Haarschmuck, Girlande, Party Dekoration : Amazon.de: Kche, Haushalt & Wohnen Amazon.com : Miracle Gro Indoor Potting Mix for Cactus and Succulent, Fast Draining Cactus and Succulent Potting Mix with Plant Food, 8 qt. (2 Pack) : Patio, Lawn & Garden