Mostly grown in gardens for the handsomely patterned foliage. Calathea prefers moist, shady, jungle-like conditions in a garden and is also often grown as potted specimens. When it is used as a house plant, the leaves should be sprayed with water several times a week. Propagation is by root division. Water with soft water. Keep uniform high humidity and temperature.
See Article - How to grow Calathea indoors.