Fimbristylis dichotoma prefers consistently moist soil. Water thoroughly when the top centimeter of soil begins to dry out.

Avoid allowing the soil to become waterlogged, but do not let it dry out completely, especially during warmer periods or if grown in full sun. Reduce watering slightly in cooler, less active growth periods.

Pruning for Fimbristylis dichotoma primarily involves removing dead or faded flower stalks and any yellowing or damaged foliage. This can be done at any time of year as needed to maintain a tidy appearance.

For a refreshed look in spring, you can cut back the entire plant by about one-third.

Fimbristylis dichotoma is easily propagated by division. In spring, carefully lift the clump and divide it into smaller sections, ensuring each section has roots and shoots.

Replant the divisions immediately into moist soil. It can also be grown from seed sown in spring, but division is generally more reliable.

Repot Fimbristylis dichotoma when it becomes root-bound, typically every 2-3 years. Spring is the ideal time for repotting. Choose a pot that is only slightly larger than the current one.

Ensure the new pot has adequate drainage holes and use a well-draining potting mix, such as a standard houseplant mix.