Peak plants are a crucial aspect of any flower garden or landscape design. They are the plants that provide the most color and interest during the growing season, and are often the focal points of the garden. Synonyms for peak plants include showstoppers, centerpieces, star performers, main attractions, and top picks. These plants are usually chosen for their vibrant colors, unique shapes or textures, or striking blooms. Some popular peak plants include roses, peonies, dahlias, and hibiscus. When planning your garden, be sure to include a variety of peak plants to create interest and provide visual impact throughout the season.