Smooth Blue Aster plant in a 3" pot. Native perenial grows to be 3-4 feet tall. Plant in full or partial sun. Space plants 18-24" apart. Smooth Blue Aster produces a profustion of 1 inch violet blue flowers on clusters at the tips of the growing stems. Attractive blue-green foliage provides garden interest prior to flowering. Asters are a perfect mainstay for the late summer and fall garden - they're easy to grow and invaluable nectar sources for all types of native bees and butterflies, including migrating Monarchs. Growing readily in a wide range of soil types including clay. Seeds, photos and description from Prairie Moon Nursery