Madame Emile Debatene Peony thrives in well-drained soil with full sun exposure. Water deeply but infrequently to encourage deep root growth, allowing the soil to dry slightly between waterings. Fertilize in early spring with a balanced fertilizer to support blooming. Deadhead spent flowers to promote a tidy appearance and cut back foliage in late fall to prepare for winter. Ensure adequate air circulation to maintain healthy growth.