For optimal growth, plant in well-drained, fertile soil with partial to full sun exposure. Ensure consistent moisture, especially during dry spells, to support its lush foliage and abundant blooms. Deadhead spent flowers to encourage continuous blooming and maintain a tidy appearance. In late fall, cut back the foliage to ground level to prepare for winter dormancy and promote healthy regrowth in spring. Consider staking taller stems to prevent flopping and maintain an upright form.