Propagating Dumb Cane Stem. It can also cause loss of speech and the sap or juice from the stems can also irritate the skin. They have beautiful patterned leaves and thick stems.
Air layering is also great if the plant s leaves are leggy or losing their color. Propagating dumb cane via air layer makes for a more robust start to its life. The pieces pruned from the plant can be used to propagate more dumbcane.
Cutting the cane or stem off a plant is 1 method to propagate overgrown houseplants such as chinese evergreen yucca and dumb cane.
Choose one of these leggy stems that has healthy leaf buds and make a 2 inch upward slit on the stem. I doubt it very much if it will be affected much at all although it will take it several weeks to begin rooting. Amanda on may 13 2019. I read somewhere else on how to propagate dumb cane.