Propagate your fern with one of the following two methods: Cut off a section of the rhizome with a few plants attached, and replant it. The separate plants will then grow if tied down to a spot in the tank. Wait for the plant to develop tiny black spots on its leaves. These are tiny java ferns.
The plant can tolerate a fairly wide temperature level from 65F to 77F. Christmas moss enjoys growing in soft water with a pH level in the range between 5 and 7.5. It is essential to keep your plant in clean water free from pollutants such as Ammonia. Christmas moss won't grow in dirty water. .