It’s hard to go wrong with low-maintenance dracaena plants. Their spiky, tropical foliage comes in a variety of colors, shapes, and patterns, and they even help purify the air, so it’s no wonder that they’re a popular choice for homes and public spaces. Here’s what you need to know about how to keep your dracaena healthy and happy. There are over 40 cultivated varieties of dracaena, which are originally from forests in Africa.