Sporobolus indicus prefers well-drained soils and is drought-tolerant once established. Water moderately during its active growth period, allowing the soil to dry out slightly between waterings.

Reduce watering significantly during cooler, dormant periods to prevent root rot. Overwatering is detrimental to its health.

Prune Smut Grass primarily for aesthetic reasons or to manage its spread. Cut back dead or damaged foliage at any time of year.

For tidiness, remove flower stalks before they produce seeds if unwanted spread is a concern. A general trim in late winter or early spring promotes new growth.

Sporobolus indicus can be propagated by seed or by division of established clumps. Sow seeds in spring under controlled conditions. Division is best done in early spring as new growth emerges.

Ensure good air circulation and well-draining soil for successful propagation.

Repotting is rarely necessary for Smut Grass, as it is typically grown in the ground or in large containers where it can establish a robust root system. If grown in a container and it becomes root-bound, repot into a larger container in early spring, using a well-draining potting mix.