Place the cut stem in water and change out the water every 3-4 weeks. Web ZZ Plant leaf propagation. Wild Interiors How To Propagate A Zz Plant Web Propagation allows you to create multiple ZZ plants from a single parent plant giving you the opportunity to fill your space with lush green foliage. . Using a shear snip off 5-8 inches long cutting with top leaves from the plant. Planter pot with moist potting mix. That way they can benefit from the warmer weather in upcoming months. It can live in all light levels. Web How to propagate a ZZ plant through division. Web There are three common methods zz plant propagation is done via stem cuttings leaf cuttings or through division. While it is true that ZZ Plants are categorized as toxic that doesnt mean that they are dangerous. It does however mean that you need a pretty mature plant with multiple stems. Stem cuttings division and leaf cuttings.