Most gardeners’ go-to solution for a number of garden needs, annuals are popular plants and flowers. Cleverly named, an annuals’ life cycle, from germination to seed production, is completed within one year. Depending on what type of annual you’re dealing with, a summer annual or a winter annual, will determine when the flower matures. Annual flowers are a quick and easy way to fill empty spaces in your flowerbed. As well, a mix of blooming annuals makes a great addition to any window box planter. Annuals come in a variety of different colors and sizes. The plants also grow well in different sun and shade situations.