Cluster Mallow prefers consistently moist soil, especially during its active growth phase. Water deeply when the top 2-3 cm of soil feels dry. Avoid waterlogging, as this can lead to root rot.

Reduce watering in cooler months when the plant's growth slows down.

Prune cluster mallow to maintain its shape and encourage bushier growth. Pinch back the tips of young plants. Remove spent flowers to promote continuous blooming and prevent self-seeding.

Cut back stems by about one-third in late winter or early spring before new growth appears.

Cluster Mallow is easily propagated from seeds sown directly in the garden after the last frost, or started indoors 6-8 weeks prior. It can also be propagated from cuttings taken in spring or early summer.

Seeds germinate readily under warm conditions.

Repot cluster mallow when it becomes root-bound, typically every 1-2 years. Choose a pot that is one size larger than the current one. Use a well-draining potting mix.

Repotting is best done in spring, just as new growth begins to emerge.