Fimbristylis littoralis thrives in consistently moist soil. Water regularly, ensuring the soil does not dry out completely. In containers, this means frequent watering, especially during warmer months.

Aim to keep the soil damp but not waterlogged to prevent root rot.

Pruning is minimal for Fimbristylis littoralis. Remove any dead or yellowing leaves as they appear to maintain a tidy appearance.

If the plant becomes overgrown or loses its vigor, you can cut it back to near ground level in early spring to encourage new, healthy growth.

Propagate Fimbristylis littoralis by division or from seed. Division is best done in spring, separating clumps into smaller sections with roots and shoots. Seeds can be sown in spring, kept moist and warm.

Germination may be slow and requires patience.

Repot Fimbristylis littoralis every 2-3 years or when the plant becomes root-bound. Spring is the ideal time for repotting. Use a well-draining potting mix.

When repotting, ensure the new pot is only slightly larger than the current one to avoid excess moisture retention.