Autumn aster ageratoides 'Ashvi' White - Bio - Hardy plantThey look just like daisies! The Michaelmas daisy 'Ashvi' (Aster ageratoides) has small, white flowers. It is also one of the longest blooming autumn flowers. The flowers bloom from the end of summer until the onset of frost. The Michaelmas daisy can also be planted in pots on a patio, roof terrace or balcony, but it does well in the garden too. The flowers bloom at the end of the summer. Place the plant in full sun or partial shade. Keep the soil