Maintain consistent submersion in still or slow-moving fresh water, ideally in a pond or water garden. Potamogeton natans thrives with its roots anchored in sediment at the bottom and leaves floating on the surface.

Ensure water depth allows for its natural growth habit.

Minimal pruning is needed. Remove any decaying or dead leaves and stems to maintain aesthetic appeal and prevent decomposition that can foul the water.

Trim back overly dense growth if it starts to crowd other aquatic plants or obstruct water flow.

Easily propagated by division of rhizomes in spring or early summer. Detach a healthy section with buds and plant it in suitable substrate. Seeds can also be collected from mature plants and sown in shallow water.

Repotting is rarely necessary as this plant is best established directly in the substrate of a pond or water garden. If a container-grown specimen becomes overcrowded or outgrows its space, divide the rhizomes and replant the divisions.