Light: Zanzibar plants are great in that they are tolerant of different lighting conditions, making them suitable indoor plants. Although this is the case, they thrive and grow best in bright, indirect light. Insufficient light can make them become straggly and leggy, whereas direct sunlight can scorch their leaves.
Soil: Standard potting mixes with a well-draining pot will suffice. If you need additional drainage, mix in a bit of perlite or sand.
Fertilizer: There isn't a need for regular fertilizing for the Zanzibar plant to thrive. But if you wish to keep the plant in optimal health, you can use a plant fertilizer diluted to half-strength. Use this one to two times during its active growing season.
Water: Generally speaking, Zanzibar plants should be watered when the soil is completely dry, which is usually once every week or two. They have thick rhizomes which allow them to survive months without any water. The rule of thumb is that it is better to under-water it than to over-water it.
Temperature: Average temperatures are tolerable for these plants. Just avoid placing it in a location exposed to drafts in the home.
Humidity: No special humid conditions are required for the plant to grow but if your house is extra dry, you could increase the humidity with a humidifier or place the plant on a water tray.
Repotting: Once the Zanzibar plant has outgrown their potting container, you should repot it in a bigger pot with good drainage holes. Do so in spring or summer when it is more able to tolerate disturbances.