Vernonia X prefers consistently moist soil but dislikes waterlogged conditions. Water thoroughly when the top 2-3 cm of soil feels dry. Reduce watering frequency during cooler months or when the plant is dormant.

Ensure good drainage to prevent root rot, especially in containers.

Deadhead spent flowers regularly to encourage more blooms and maintain a tidy appearance. Prune back established plants in late winter or early spring before new growth emerges.

This helps to shape the plant and promote vigorous, compact growth for the upcoming season.

Vernonia X can be propagated by sowing seeds in spring or by taking stem cuttings during summer. Seeds germinate best in a warm, moist environment.

Cuttings should be rooted in a well-draining potting mix and kept humid until established.

Young Vernonia X plants benefit from repotting annually or biennially in spring. Mature plants can remain in their pots for several years.

Choose a pot that is only slightly larger than the current one and ensure it has adequate drainage holes.