The ZZ plant, also known as Zamioculcas zamiifolia, is a tropical houseplant favored for its ability to thrive in low light conditions. This low-maintenance plant is not only easy to grow, but it is also simple to propagate through leaf cuttings, petiole cuttings, and division. Horticulturists provide guidance on three different methods for propagating ZZ plants and suggest the best time to do so.
According to Linda Langelo, a horticulture specialist at Colorado State University, spring and summer are ideal for propagating ZZ plants as they are actively growing during this period. Propagation can also be done in winter if the plant is kept in a bright, warm environment, although growth may be slower.
Petiole cuttings can be used to propagate ZZ plants by cutting the petioles, which connect the leaves to the main stem. Justin Hancock, a horticulturist for Costa Farms, recommends cutting a healthy petiole close to the plant’s base, removing the bottom leaflets, and planting it in moist potting mix. Alternatively, the cutting can be placed in a vase of water, but this method is less successful.
Leaf cuttings are another method for propagating ZZ plants, as explained by Hancock. Simply remove a healthy leaflet from a mature leaf, plant it in moist potting mix, and keep it in a warm, bright, humid location until roots develop.
For those with larger ZZ plants, division is a straightforward way to create new plants. Gardening expert Ryan McEnaney advises selecting a plant with multiple large stems, gently removing it from the container, separating a section with rhizomes attached, and planting it in a new pot with well-draining soil.
Regarding common questions, Hancock notes that cuttings have a higher chance of rot in water compared to potting mix, so the choice between water and soil propagation is a matter of personal preference. The time it takes for a ZZ cutting to root and grow can vary, ranging from a couple of months to a year or more.
According to Hancock, it may take a couple of months for a ZZ plant to develop roots and generate a rhizome when placed in water. If you have a broken stem with a sturdy, healthy leaf, you can propagate a ZZ plant from it. However, it is recommended to avoid using an old or yellowing leaf for propagation purposes. For more information, check out the original article on Martha Stewart’s website.
