Water regularly, especially during establishment and dry spells. Allow the soil to dry out slightly between waterings. Avoid waterlogging, as this can lead to root rot.

Once established, Miscanthus x longiberbis is fairly drought-tolerant but performs best with consistent moisture.

Cut back all dried foliage to about 10-15 cm above the ground in late winter or early spring before new growth begins. This removes dead material and prepares the plant for vigorous new growth.

Wear gloves to protect hands from sharp leaf edges.

Propagate by division in early spring. Carefully dig up the plant and divide the root ball into sections, ensuring each section has healthy roots and shoots. Replant divisions immediately and water thoroughly.

Seeds can be sown in spring but may not come true to type.

Repotting is generally not necessary for this large grass, as it is usually planted in the ground. If grown in a container, repot every 2-3 years in spring into a slightly larger pot.

Ensure good drainage and use a well-draining potting mix.