Halodule bermudensis requires consistently saline water. For aquarium or pond cultivation, maintain a stable salinity of 30-35 ppt. Avoid freshwater as it is lethal.

Changes in salinity should be gradual to prevent shock to the plant.

Pruning is typically not necessary for Halodule bermudensis. If invasive growth occurs, trim runners with sharp scissors or shears to maintain desired coverage.

Remove any decaying or damaged leaves to promote new growth and prevent disease.

Halodule bermudensis primarily propagates through rhizome extension, forming new shoots. In cultivation, fragmented pieces of rhizome with attached leaves can be planted in suitable substrate.

This method allows for rapid establishment and expansion of the population.

Repotting is not a common practice for Halodule bermudensis, as it thrives when planted directly into its natural substrate or a suitable marine aquarium sand bed. If transplanting is necessary, handle the delicate rhizomes with care, ensuring minimal disturbance to the root system.