Symphyotrichum oolentangiense – Sky Blue Aster

This plant blooms true blue in September and October, adding color to the garden at the end of the growing season. It thrives in full sun to part shade, grows to 2-3 feet tall, and requires dry, well-drained soil.

• The description claims that the plant provides critical late-season nectar for bees, butterflies, and monarchs.