I have seen them growing in water with decorative stones in containers. Is this a good way to grow them?
Certified GKH Gardening Expert
The ZZ plant will be healthier and happier growing in soil. While it can be grown in water, this is more of a novelty- it may be more susceptible to disease, and you will need to feed it with hydroponic plant food. In fact, they are happier with low amounts of water when grown in soil: