Water regularly during the growing season, allowing the soil to dry slightly between waterings. Reduce watering in cooler months to prevent root rot.

Ensure good drainage to avoid waterlogged conditions, as this grass prefers moderately moist but not saturated soil.

Prune Fringed Signal Grass in late winter or early spring before new growth emerges to remove dead or damaged foliage and maintain shape. Cut back flowering stalks after they have faded to prevent unwanted reseeding and encourage a tidier appearance.

Propagate Fringed Signal Grass by division of established clumps in spring. Seeds can also be sown in spring or autumn in well-drained soil.

This grass spreads readily, so division is often the most controlled method for maintaining desired plants.

Repotting is generally not applicable for Fringed Signal Grass when grown as a landscape perennial. If grown in containers, repot every 2-3 years in spring into a slightly larger pot with fresh, well-draining potting mix to accommodate root growth.