Water thoroughly when the top 2-3 cm of soil feels dry. Avoid overwatering, as this can lead to root rot.

Reduce watering significantly during cooler months, allowing the soil to dry out more between waterings to mimic its natural dry period.

Prune Erianthemum nyikense lightly after flowering to maintain shape and encourage bushier growth. Remove any dead or spent flower stalks.

Avoid heavy pruning, as this can disrupt its natural form and potentially harm the plant.

Propagate by seed sown in spring under glass. Germination can be erratic and requires warmth.

Alternatively, take cuttings in late spring or early summer from healthy shoots, and root them in a well-draining, sandy compost.

Repot young plants annually in spring. Mature plants can be repotted every 2-3 years, or when root-bound. Use a free-draining compost mix, such as a blend of peat, sand, and loam, ensuring good drainage in the pot.