Native to North America, New World asters comprise many species in several different genera of plants, as well as dozens of cultivars, but for gardeners, asters are simply great flowers that provide purple or blue daisy-like flowers late in the season. Want beautiful flowers from late summer into fall? Grow asters, perennials with a daisy-like appearance. Learn how to plant and care for aster flowers and find 16 varieties to brighten up your garden. Cold-hardy perennials with daisy-like flowers , aster flowers are the pollinator stars of the garden from late summer through fall. Growing 1 to 6 feet tall, depending on variety, these upright flowering plants bear cheerful, star-shaped flower heads ranging from purple to white to blue. Aster flowers are known for their beauty and vibrant colors, but they also carry deep meanings and symbolism. In this article, we will explore the meaning and symbolism of aster flowers , popular types of asters, their uses, as well as cultivation and care tips.