Plant in well-drained soil enriched with organic matter to promote healthy growth. Choose a location with partial shade to full sun, ensuring the plant receives adequate light for blooming. Water regularly to maintain consistent moisture, especially during dry spells, but avoid waterlogging. Deadhead spent flowers to encourage further blooming and maintain a tidy appearance. In late autumn, cut back the foliage to ground level to prepare the plant for winter dormancy and encourage vigorous growth in the spring.