Creeping Spike-Rush thrives in consistently wet conditions. Keep the soil saturated or submerged in shallow water, mimicking its natural wetland habitat.

Avoid letting the soil dry out completely, as this can stress the plant. Ensure good drainage if grown in a container to prevent root rot.

Pruning is generally not required for Creeping Spike-Rush unless it becomes too vigorous or sprawls excessively. You can trim back overgrown stems to maintain a desired shape or size.

Remove any yellowed or dead foliage as needed to keep the plant looking tidy.

Creeping Spike-Rush is easily propagated by division of rhizomes or by seed. Division is best done in spring, separating mature clumps into smaller sections, each with roots and shoots.

Sow seeds in moist soil or water shortly after collection for best germination.

Repotting is typically only necessary if the plant outgrows its container or if the soil becomes depleted. This can be done in spring. Use a heavy, well-draining aquatic potting mix.

Ensure the new pot has adequate space for its spreading rhizomes.