Paeonia lactiflora 'Mistress' is a captivating perennial boasting elegant, fragrant white blooms with a hint of blush, transforming any garden into a serene paradise. This herbaceous peony flourishes in USDA hardiness zones 3 to 8, thriving best in environments with full sun to partial shade. Optimal growth occurs in temperatures ranging from 60°F to 70°F. Known for its graceful habit, 'Mistress' reaches a mature height of 2 to 3 feet and spreads about the same in width, creating a lush, dense foliage that complements its stunning blooms. While not fully deer-resistant, its strong perfume can deter these garden visitors. Its robust and resilient nature makes it an attractive choice for flower beds and borders.