Brachypodium arbuscula prefers consistently moist soil, especially during its active growth period. Water thoroughly when the top 2-3 cm of soil feels dry.

Reduce watering in winter when the plant is dormant, allowing the soil to dry out more between waterings to prevent root rot.

Pruning is generally minimal for Brachypodium arbuscula. Remove any dead, damaged, or discolored foliage as needed to maintain a tidy appearance.

If the plant becomes leggy or overcrowded, you can trim it back in early spring to encourage denser growth.

Propagation is typically done by division of established clumps in early spring. Carefully separate the root ball into smaller sections, ensuring each section has healthy roots and shoots.

Replant the divisions immediately into well-draining soil. Alternatively, seeds can be sown in autumn or early spring.

Repot Brachypodium arbuscula every 2-3 years or when it becomes root-bound. Choose a pot that is only slightly larger than the current one. Use a well-draining potting mix.

Repotting is best done in early spring before new growth begins to minimize transplant shock.