Cyperus alternifolius thrives in consistently moist conditions. Keep the soil wet at all times, as it naturally grows in shallow water or very wet soil. Regular watering is crucial, especially during warmer months.

Allow the surface to dry slightly between waterings only if the plant is not in standing water.

Prune dead or yellowing stems by cutting them back to the soil line. This encourages new growth and maintains a tidy appearance. You can also trim the foliage to manage its size or shape if it becomes too unruly.

Pruning is best done in spring or early summer.

Umbrella Papyrus is easily propagated by division or stem cuttings. Divide established clumps in spring.

For stem cuttings, cut a healthy stem, strip off lower leaves, and place it in water or moist soil until roots form. It readily roots in water.

Repot annually or every two years in spring, especially when the plant becomes root-bound. Use a well-draining potting mix. Choose a pot that is slightly larger than the current one.

This plant enjoys being slightly pot-bound and can tolerate moist, boggy conditions within the pot.